VỞ BÀI TẬP TIẾNG ANH
8.2

MỤC LỤC
UNIT 7:

POLLUTION

UNIT 8:

ENGLISH SPEAKING COUNTRIES

UNIT 9:

NATURAL DISASTERS
TEST YOURSELF 3

UNIT 10:

COMMUNICATION

UNIT 11:

SCIENCE AND TECHNOLOGY

UNIT 12:

LIFE ON OTHER PLANETS
TEST YOURSELF 4

UNIT 7
POLLUTION

A. PHONETICS
1. Find the word which has a different sound in the part underlined.
Read the words aloud.

1. A. algal
B. aquatic
C. contaminate
D. permanent
2. A. thermal
B. thankful
C. there
D. thorough
3. A. pollution
B. earplug
C. dump
D. dust
4. A. untreated
B. measure
C. pleasure
D. bread
5. A. physical
B. visual
C. music
D. because
2. Find the word which has a different position of the main stress in each line.
1. A. affect
B. pollute
C. effect
D. litter
2. A. cholera
B. pollutant
C. permanent
D. groundwater
3. A. radiation
B. political
C. historical
D. contaminant
4. A. seriously
B. measurement
C. scientific
D. logical
5. A. aquatic
B. historic
C. physical
D. botanical
B. VOCABULARY  GRAMMAR
1. In the box below, there are different types of pollution. Write each type
under a picture.
noise pollution
air pollution
water pollution
land/soil pollution
visual pollution
thermal pollution

2. Put the words in brackets into the right forms to complete the sentences.
1. Many fish in the lake near my house have died because of the ………… water.
(pollute)
2. My friend and I are going to give a presentation about our ………….. problems.
(environment)

3. Too much use of …………… lights in cities may cause light pollution.
(electricity)
4. Nowadays, people use too much herbicide so many animals don't have enough
food and they become …………. (sickness)
5. Oil spills from ships in oceans and rivers lead to the …………….. of many
aquatic animals and plants. (die)
3. Choose the correct option A, B, C or D to complete the sentences.
1. …………… water is one of the factors that have driven many species to the
verge of extinction.
A. Contaminating B. Contaminate
C. Contamination D. Contaminated
2. It's recommended that we become more concerned ……………… the
environment around us.
A. of
B. to
C. with
D. about
3. The …………. Use of pesticides and herbicides has led to contamination of
groundwater in some areas.
A. widespread
B. occasional
C. general
D. experimental
4. Air ……………, together with littering, is causing many problems in our cities
today.
A. pollute
B. pollution
C. polluting
D. polluted
5. Many people in this city have received medical …………. for the disease.
A. support
B. treatment
C. help
D. assistance
6. The reduction in air pollution was ………… last year.
A. dramma
B. treatment
C. help
D. assistance
7. In many poor nations, there are frequent outbreaks of cholera and other diseases
because people there ………….. untreated water.
A. drink
B. to drink
C. drinking
D. drank
8. The road in front of my office is always ……….. when it rains heavily.
A. to flood
B. flooding
C. flood
D. flooded
9. Too much carbon dioxide in the atmosphere causes global …………….
A. warm
B. warming
C. warmly
D. warmth
10. It won't be possible to save the Earth if we don't take ………… right now.
A. action
B. job
C. work
D. duty
4. Fill each blank with a word/ phrase in the box.

substance

light
pollution
poisonous

Earth's
surface
waste

water
temperature
acid

surprised

dumping
air pollution
poison
1. If this factory continues …………. Into the lake, all the fish and other aquatic
animals will die.

2. I think there is ………….. around here because all trees and plants turn yellow
and dry.
3. When thermal pollution happens, the ………….. in rivers, lakes and oceans
changes.
4. Soil pollution happens when people destroy the ……………….
5. Poison is a ………….. that can make people or animals ill or kill them if they eat
or dink it.
6. They are all ……………. to see that all the fish they grow on their farm are
dead.
7. You can see stars at night in the countryside because there isn't any …….. there.
8. Many households around the West Lake dump …………. into it so the water is
polluted.
9. The vegetable price is increasing because the ……………. rain has caused
damage to almost vegetable in this area.
10. The …………. chemical waste in this factory is dumped into the river so its
water now becomes almost black.
C. READING
1. Read the following paragraph and complete it which one suitable word.
Think of all the things you throw away: juice bottles, soft drink cans, candy
wrappers. It adds up. (1) ……………. much trash do you produce?
Americans throw away an average of one ton of trash per person (2) ……………
year. Most of this trash gets buried (3) ………… big holes in the ground called
landfills. A lot of this garbage can be recycled, or turn back (4) …………
something useful. Just about any material can be recycle. The main things we
recycle today are (5) ………… from metal, paper, glass, or plastic
People
recycle for many reasons. One of the (6) …………. reasons is to conserve
resources. Making new aluminum cans out old ones means less aluminum is
needed (7) ………… new cans. This leads to a second reason people recycle: It
saves energy. Recycling old aluminum cans takes a lot (8) ………… energy than
making new aluminum. To make new aluminum, you (9) …………. to mine metal
ore from the ground, remove the impurities, and refine it into a finished metal.
Recycle also conserves valuable land. (10) ……… recycling, we produce less
garbage. That means fewer landfills are needed for dumping our trash.
2. Choose the correct word by underlining it at each number in the following
paragraph, then answer the questions.
A plastic problem
Nowadays, people use a lot of plastic bags and they often (1) throw away/ bury
the bags afterwards. They don't often (2) pollute/ reuse or (3) waste/ recycle them.
When we (4) destroy/ reuse plastic, we pollute the lands or air. It isn't a good idea
to (5) burn/ poison plastic because it (6) poisons/ saves the atmosphere. The

alternative is to (7) bury/ pollute it, but some plastic doesn't decompose for over a
thousand years.
8. Do you throw away or reuse plastic bags?
_________________________________________________________________
9. What do you and your school do with rubbish?
_________________________________________________________________
10. What things are harmful to the environment in your area?
_________________________________________________________________
3. Choose the correct word A, B or C for each gap to complete the following
passage.
Rivers are (1) ………… of the world's most important natural resources. Many
cities are on large rivers, and (2) ………….. every country has at least one river
that (3) ………… an important part in the lives of its people.
Besides transportation, rivers (4) ……….. food, water for crops, water to drink,
and opportunities for recreation for people who live along their (5) ……….. And in
order to get water for crops, engineers sometimes build a dam across a river and let
the water become a lake (6) ………… the dam. Then people can use their water nit
only to (7) ………… fields but also to make electricity for homes and industries.
(8) ……………, the water often becomes polluted when cities on river banks grow (9) ………… size and
the number of industries increases. We are learning that it is necessary to (10) ………….. rivers clean if we
want to enjoy the benefits of the natural resource.

1. A. one
B. ones
C. among
D. those
2. A. most
B. mostly
C. almost
D. about
3. A. takes
B. makes
C. occupies D. plays
4. A. supply
B. provide
C. distribute D. bring
5. A. banks
B. shores
C. sides
D. beaches
6. A. behind B. on
C. below
D. under
7. A. take
B. irrigate
C. drain
D. give
8.
A. B.
C. Thus
D. However
Moreover
Therefore
9. A. of
B. about
C. in
D. for
10. A. keep
B. get
C. hold
D. maintain
D. WRITING
1. Make up sentences using the words and phrases given
Example: How/ can/ you/ reduce/ waste/ home/?
How can you reduce waste in your home?
1. most/ people/ not know/ where/ their/ plastic/ waste/ go/.
______________________________________________________________
2. what/ happen/ rubbish/ your/ area/?
______________________________________________________________ ?
3. noise/ pollution/ occur/ because/ there/ too many/ loud/ sounds/ environment/.

______________________________________________________________
4. many/ animals/ eat/ litter/ become/ sick/ because/ people/ throw/ it/ ground/.
______________________________________________________________
5. people/ will/ more/ aware/ protecting/ environment/ if/ there/ more/ warnings/
about/ danger/ of/ pollution/.
______________________________________________________________
2. Rewrite the following sentences so that their meaning stays the same, using
the words given.
1. There was a loud noise next to my door last night so I couldn't sleep. (because)
______________________________________________________________
2. The tsunami happened. Many people in this area became homeless. (made)
______________________________________________________________
3. The acid rain happened last month. Many plants and trees died. (Since)
______________________________________________________________
4. There have been conflicts in that country since last year. People live unhappily.
(If)
______________________________________________________________
5. This factory doesn't treat its waste well so there is a lot of water pollution. (If)
______________________________________________________________
3. There are five grammar mistakes in this passage. Can you find and correct them?

Dear Sir/ Madam,
I'm writing because I am at the beach with some
friend last weekend and the amount of rubbish
where we found there was unbelievable.
I think there are possibly two reason for this.
Firstly, people aren't responsible enough and they
threw their rubbish away anywhere. Perhaps we
need a few sign and people who patrol the beach.
Also, there aren't bins enough on or near the
beach, so I think we need more. Secondly, nobody
clean the beach. I think this is terribly in a tourist
town. We need people to clean the beach and
empty the bins every day.
We must definitely to do something about this
situation. We must do it right away if we want a
cleaner, attractiver beach.
Alan

UNIT 8
ENGLISH SPEAKING COUNTRIES

A. PHONETICS
1. Circle the word marked A, B, C or D with a different stress pattern from
the others.
1. A. accent
B. legend
C. icon
D. parade
2. A. schedule
B. unique
C. puzzle
D. awesome
3. A. absolutely
B. temperature
C. contamination
D. atmosphere
4. A. kangaroo
B. underground
C. radioactive
D. Aborigines
5. A. definition
B. improvement
C. population
D. celebration
2. Mark the stress in the underlined words.
1. I can't speak Japanese but I love this country.
2. My uncle is a famous referee. He is very severe with player.
3. I have just bought a new laptop. It has three-year's guarantee.
4. There are over twenty applicants for the job but he is the interviewee for this
position.
5. All Vietnamese people love peace because they have undergone many
aggressive wars.
B. VOCABULARY  GRAMMAR
1. Choose the right word/phrase and then write it under each picture
parade
the United
state
the USA
Kingdom
monument
cattle station
Canada
loch

2. Put the words in brackets into the right forms to complete the sentences.
1. I like going to England to study English because I can practice English with
………. speakers. (non-native)
2. English is an ……… language in this country. (officially)
3. People in the south of my country speak the language with ……… accent.
(differ)

4. Last summer holiday, my family went to Da Nang and Hoi An. We had a
………… time there. (wonder)
5. Why has she improved her English a lot? – Ah, she's just come back from an
English ……… country. (speak)
3. Choose the correct option A, B, C or D to complete the sentences.
1. Singapore is famous for its …………. And green trees.

A. cleanliness
B. cleanly
C. cleaning
D. clean
2. On Christmas Eve, most big cities, especially London are ……………. with
coloured lights across the streets and enormous Christmas trees.
A. decorated
B. hang
C. put
D. made
3. In the United State, there are 50 …………… and six different time zones across the country.

A. decorated

B. nations

C. towns

D. countries

A. do

B. cook

C. make

D. show

A. stay

B. look

C. tour

D. visit

A. Scottish

B. Scotland

C. Scots

D. Scot

4. I once tried to ………… apple pie when I was in London. It was really delicious.

5. You should go to Canada in summer because it is the most popular time for visitors to ………….. Niagara
Falls and see the beautiful sights there.
6. Nowadays you still see the ……….. men wear kilts (skirts) to wedding or other formal occasions.
7. The USA has a population of about 304 million, and it's the third ……… country in the world.

A. smallest
B. largest
C. narrowest
D. highest
8. In some English speaking countries, turkey and pudding are ……….. food at
Christmas.
A. national
B. historical
C. traditional
D. possible
9. New Zealand ………… lovers of nature and fans of dangerous sports.

A. attracts

B. keeps

C. calls

D. asks

10. Queenstown in New Zealand has got beautiful ……… and a dry climate, so it's ideal for outdoor
activities.

A. look
B. viewing
C. atmosphere
D. scenery
C. READING
1. Read the following paragraph and complete it which one suitable word in
each blank.
I was very excited to know that I was going to Australia for a study tour (1)
……… four months. I didn't think (2) …………… the problems of speaking
English until I met my host family. At first, I couldn't communicate (3) …………
them because my English was so bad. All the eight years I had been learning
English wasn't much used at all because we didn't have real practice at school.
Even (4) …………. my grammar was good, my pronunciation wasn't. My problem
is pronouncing “I' and “n”. For (5) …………, I wanted to tell them that “I have
lots of homework today,” but I said “I have nots of homework today,” so they
misunderstood me. My host mum (6) ……….. me a lot by correcting my bad
pronunciation. I usually practiced by talking to (7) …………… when I had a

shower, so no one could hear me. After four months, my English was (8)
…………. Better. Apart from English, I learnt to make my (9) ……….. breakfast
and lunch. I had to ride a bicycle to school every day. I went swimming and tried
sailing. Sometimes I also tried skiing. It was wonderful. But (10) ……….. most
valuable thing was that I learnt to be by myself and to be independent.
2. Read the text and answer the questions below
In Canada and the United States, one of the most popular days in the year is
Halloween. Halloween is on October 31st. It's a day when some people dress up in
strange or unusual costumes. For example, they may dress up to look like an
animal, a person from a book or movie or a famous person from history. In some
places, children go to school in their Halloween costumes. After dark, many young
children put on their costumes and visit their neighbours. They knock on the door
and shout “Trick or treat!”, then the neighbours give them some candy or
chocolate, and the children go on to the next house. Adults also enjoy dressing up
for Halloween. There are usually Halloween parties in the evening and usually
there is a prize for the best or most unusual costume.
1. What is one of the most popular days in the year in Canada and the United
States?
_________________________________________________________________
2. Who do some people dress up to look like on Halloween?
_________________________________________________________________
3. What do some children in some places in Canada and the United States wear
when they go to school on Halloween?
_________________________________________________________________
4. What do many young children do in the Halloween's evening?
_________________________________________________________________
5. What are usually there in the Halloween's evening?
_________________________________________________________________
3. Choose the correct word A, B, C or D for each gap to complete the following
passage.
Ball Games
It's summer and a stadium in the USA is full (1) ……… 40,000 excited fans.
Suddenly everyone stands up and sings the American (2) ………. anthem. The
game between the New York Yankees and the Boston Red Sox is going to (3)
………… soon. The game? Baseball of course!
Modern baseball (4) ………… in the USA and the sport is an important part of
American life. Traditionally people go to a game with all their family. It's very (5)
………, sociable and noisy, and spectators eat, drink and sing during the game.
The Yankees and the Red Sox are (6) ………… teams. There are also
professional baseball leagues in Asia and Latin America. It's an Olympic sport, too.

In England, a few thousand supporters are sitting in the rain. There aren't any
players on the pitch. They'll continue the match (7) …………… it stops raining. If
it doesn't stop, neither team will win or lose-it'll be a draw. What's the sport?
Cricket!
Although England is the (8) ……….. of cricket, the places where cricket is most popular are hot and
sunny – Australia, South Africa, South Asia and the Caribbean. A cricket match (9) ………. for a long time –
sometimes five days – and each day there are breaks for lunch and tea! However, now there is few,
faster version of cricket called Twenty20. There's pop music and the (10) ………. at the ground is more
exciting. Some people think that Twenty20 will replace traditional cricket one day.

1. A. in
2. A. national
3. A. have
4. A. took
5. A. interested
6. A. profession

B. on
B. nation
B. start
B. started
B. relaxing
B. professionally

C. of
C. nationality
C. show
C. began
C. tired
C. professional

D. up
D. nationally
D. go
D. originated
D. bored
D.
professionalize
D. Though
D. house
D. lasts
D. surroundings

7. A. unless
B. where
C. if
8. A. home
B. place
C. area
9. A. carries
B. takes
C. makes
10. A. air
B. atmosphere
C. feeling
D. WRITING
1. Make up sentences using the words and phrases given
Example: every year/ students/ many/ countries/ learn/ English.
Every year students in many countries learn English.
1. USA/ enormous/ country/,/ more/ than/ 2 times/ the size/ of/ European Union/.
______________________________________________________________
2. USA/ is/ land/ of/ extremes/./ It's/ both/ one/ of/ hottest/ and/ coldest/ places/
world/.
______________________________________________________________
3. about/ half/ of/ Australia's population/ go/ to/ one/ of/ fantastic/ events/ on
Australia Day/.
______________________________________________________________
4. the/ other/ half/ of/ Australia's population/ celebrate/ Australia Day/ home/ or/
beach/ with/ their/ family/ and/ friend/.
______________________________________________________________
5. they/ have/ barbecues/ and/ they/ watch/ Australian of the Year Award/
television/.
______________________________________________________________
2. Rewrite the following sentences so that their meaning stays the same, using
the words given.
1. I have one new American friend. At the first days, I didn't understand what he
asked me but now it's OK. (found)

2. Have you made any friend from English speaking countries? (acquaintance)
3. Australians use English as their mother tongue so they are native speakers.
(because)
4. Can you name the countries that speak English as their official language? (What)
5. New Zealand and Australia both have coasts around their countries. (surrounded)
3. There are ten mistakes in this passage. Can you find and correct them?
Research has show that over half the children in Britain
who take their own lunches to school do not eat properly
in the middle on the day. In Britain, schools have to
provide meals at lunchtime. Children can chose to bring
their own food or have lunch at the school canteen.
One shocking finding of this research is that school meals
are many healthier than lunches prepared by parents.
There are strict standards for the preparation of school
meals, which have to include one piece of fruit and one of
vegetables, as well like meat, a dairy item and starchy
food like bread or pasta. Lunchboxes examined by
researchers contained sweet drinks, crisps and chocolate
bar. Children consume twice as much sugar as they
should at lunchtime.
The research will provides a better understanding of why
the percentage of overweight students in Britain have
increased in the last decade. Unfortunately, the
government cannot criticize parents, but it can remind
them of the nutritional value of milk, fruit and vegetables.
Small changes in their children's diet can affect their
future healthy. Children can easy develop bad eating
habits at this age, and parents are the only ones who can
prevent it.

UNIT 9
NATURAL DISASTERS

A. PHONETICS
1. Circle the word marked A, B, C or D with a different stress pattern from
the others.
1. A. collapse
B. damage
C. erupt
D. affect
2. A. disaster
B. eruption
C. pollution
D. permanent
3. A. volcano
B. temperature
C. illustrate
D. station
4. A. tsunami
B. typhoon
C. thunderstorm
D. tornado
5. A.
B. contribution
C. evacuation
D. contamination
accommodation
2. Mark the stress in the underlined words.
1. My brother likes photography. Last year he won the first prize at the national
competition for both amateur and professional photographers.
2. My father is a geologist. He learned geology at a university in Russia.
3. She is a well-known biologist. She is now working at a Biology Institute in Ha
Noi.
4. At the geography lesson yesterday, our teacher explained us a lot about the
changes in the weather recently.
5. My next-door neighbor is very interested in astrology. He spends most of his free
time reading books about it.
B. VOCABULARY  GRAMMAR
1. Find the odd A, B, C or D
1. A. thunderstorm B. storm
C. tornado
D. disaster
2. A. drought
B. flood
C. climate
D. mudslide
3. A. thunderstorm B. typhoon
C. pollutant
D. tsunami
4. A. erupt
B. collapse
C. damage
D. destroy
5. A. groundwater B. mineral water
C. fresh water
D. drink
2. Use the words or phrases in the box to label each picture
thunderstorm
tsunami
tornado
drought
flood
earthquake
snowstorm
typhoon

3. Choose the correct option for each gap in the sentences
1. Typhoons are severe tropical storms. They sometimes happen in my
A. stay
B. home
C. house
D. hometown
2. When a typhoon happened, many houses and roads _ destroyed or flooded.
A. is
B. are
C. was
D. were
3. Last year, there was a big typhoon in my area. It caused extensive damage to our
A. property
B. furniture
C. wealth
D. savings
4. The government sent rescue food, drink and medical supplies to ____________
homes.
A. flood
B. flooding
C. flooded
D. floods
5. All people who were without homes in the flood were provide with
accommodation.
A. short
B. temporary
C. present
D. instant
6. When the earthquake happened, almost people in this building managed to run
of it.
A. economic
B. economy
C. economical
D. economize
7. _________is the most common natural disaster in your country? Snowstorms.
A. What
B. Which
C. How
D. Do
8. The ______ buried the whole village while people were sleeping in their houses.
A. mudslide
B. tornado
C. drought
D. thunderstorm
9. _____ workers were sent to the area immediately but no villager was survived
when the landslide happened.
A. Rescue
B. Help
C. Assistance
D. Volunteer
10. What ____ we do to prevent these natural disasters?
A. may
B. ought
C. should
D. be able
4. Fill each blank with a word/ phrase in the box.

flood
landslide

earthquake
collapsed

sandstorm
typhoon

forest fire
draught

shelter
volcano

1. When the earthquake happened, all the building in this area were completely
______________________.
2. Fortunately many people were warned of the danger and they had taken before
the earthquake happened.
3. The _____ has raged since early morning, many trees and animals have been
burnt up.
4. All people in the village rushed into the public shelters as soon as the
erupted.
5. Several people were going along when suddenly there was a
came
crashing down the hillside and blocked the road in front of them.
6. Tankers full of water were sent, but it was too late to save many of the animals
and crops there. The
made the whole are
like a vast desert.
7. When the _____ happened last year, the river overflowed in several places and
huge areas of farming were several meters under water. Boats were being used to
rescue people in nearby villages.
8. The ______ swept onwards, covering everything in its path. The travellers had to
get off their camels and lie down until it had eventually passed.
9. Suddenly the ground shook beneath our feet and tall buildings opposite my
college began to sway. I immediately realized that it was an .
10. The _____ already strengthened considerably and the sea was very rough. As a
result, ferries across the harbor stopped sailing and all large ships put out to the sea.
C. READING
1. Read the text and then choose the best answer A, B, C or D.
Two of the most dangerous storms which affect America are hurricanes and
tornadoes. They are very much feared by anyone who may live in the path of their
destruction.
Every year homes are destroyed by their fury and often lives are lost. Most
people who live near the coast are forced to evacuate their homes and to move to
safer areas until the storm passes. Floods are caused along the coasts by both the
heavy rain and a storm tide that is considerably above normal water level. The high
winds, coastal flooding and heavy rains associated with a hurricane cause
enormous damage.
Hurricanes usually develop between July and October. Once they hit land they
carry tremendous power with driving rain and wind.
Tornadoes are violent low-pressured storms. These storms occur most often
during the summer months and are noticeable by their strong wind and lack of rain.
The sky turns black as dust is sucked up into the air. Tornadoes are capable of
lifting quite heavy objects from the ground. They can pick up trees and cars right
into the air and even uplift heavier objects such as homes and railway cars.

Both hurricanes and tornadoes cause millions of dollars worth of damage to life
and property every year. Today they can be predicted more easily than in the past,
but they cannot be stopped or ignored.
1. What are two of the most dangerous storms which affect America?
A. Thunderstorms and hurricanes.
B. Typhoons and thunderstorms.
C. Hurricanes and tornadoes
D. Hurricanes and typhoons.
2. At which part of the year do hurricanes usually develop?
A. July and August only
B. Between July and October
C. From the seventh to the ninth month
D. All the year round
3. What is the major similarity of both a hurricane and a tornado?
A. They cover only a small area
B. They have either wind or speed
C. They are not accompanied by rain
D. They can cause great damage
4. Which of the following is true of tornadoes and hurricanes?
A. They cannot be predicted with accuracy
B. They are easier to control today than in the past
C. Tornadoes are more dangerous than hurricanes
D. They can be predicted today with greater accuracy
5. Which of the following was not mentioned in the article?
A. The damage caused by hurricanes and tornadoes
B. The tremendous power of these storms
C. The number of people killed each year by these storms
D. The time of year when they are most likely to strike
2. Read the conversation and answer the questions.

Hoa:
Marry:
Hoa:
Marry:
Hoa:

Hi, Marry
Hi, Hoa
Did you hear the news on TV early this morning?
No, I didn't. What happened?
Last night, a landslide from a high mountain moved down a small
village in Ha Giang Province.
Marry: Where is Ha Giang?
Hoa:
It's in the north of Viet Nam.
Marry: Was anyone injured?
Hoa:
The authorities confirmed six dead, eighteen injured and as many as
ninety – five people missing. Only a few minor injures were reported.
Marry: Oh, no. That's terrible. Did it cause any damage to property?

Hoa:
Yes, all the house in the village were destroyed.
Marry: That's awful. How is the government helping the people there?
Hoa:
They've sent rescue workers and army men to find people who were
buried in their houses. Medical supplies, food and rescue equipment
have also been sent.
Marry: Thank God. I hope they'll soon find the missing people.
Questions:
1. What happened to a village in Ha Giang Province last night?
_________________________________________________________________
2. How many people were dead and injured?
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3. How many people were missing?
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4. What was the damage to property?
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5. What is the government doing to help people there?
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3. Choose the correct word A, B, C or D for each gap to complete the following
passage.
More than a billion people all over the world are (1) ………….. the threat of
desert expansion, but few of them are aware that they themselves cause it and are
also its (2) ……………. People cut (3) ……………. Trees for fuel and farmland.
Their herds eat (4) ………… the grass covering valley floors and hillsides. The
climate and soil quality, therefore, are affected and forests are turned into (5)
……….
In some places, many people had to leave their homes when their wells became
dry and sand buried their house and crops. Therefore, governments in nearby areas
have and local people (6) ………….. trees and banned burning firewood for fuel.
Many other techniques have been (7) ………… For example, in Iran, a thin
covering of oil was poured on sandy areas to retain (8) ………….. for planting
trees, but this method may harm the environment. Other countries built long canals
or pipelines (9) ………….. water to desert areas.
Unless people find more (10) …………… methods, their homes and land will be lost. The fight against
the desert is continuing.

1. A. under
2. A. enemies
3. A. off
4. A. away
5. A. blanks
6. A. planting
7. A. using

B. in
B. victims
B. back
B. up
B. spaces
B. to plant
B. use

C. on
C. friends
C. in
C. into
C. deserts
C. plant
C. uses

D. of
D. effects
D. down
D. out
D. bareness
D. planted
...