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Unit 10. Sources of Energy. Lesson 2. A closer look 1

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Nguồn:
Người gửi: Ngô Văn Khoa
Ngày gửi: 23h:17' 18-03-2019
Dung lượng: 2.1 MB
Số lượt tải: 104
Số lượt thích: 0 người
WELCOME TO
CLASS 7/1
Phong Binh Secondary School
Teacher:
What sources of energy can you see in the video clip?
KIM’S GAME
1. solar
2. nuclear
3. wind
4. water
5. coal
6. oil
7. biogas
8. natural gas
KEY



Unit 10: SOURCES OF ENERGY
Lesson 2: A closer look 1
I. VOCABULARY
* Match the words in A with their opposites in B:
1-b, 2-c, 3-f, 4-d, 5-e, 6-a
EX: advantage (thuận lợi) #
disadvantage (bất lợi)
* Activity 1: Put the words below into the table to describle the types of energy:
limited unlimited harmful
renewable non-renewable exhaustible
safe dangerous conveninent
clean polluting available
cheap expensive abundant

abundant, unlimited
not available

limited unlimited harmful
renewable non-renewable exhaustible
safe dangerous conveninent
clean polluting available
cheap expensive abundant

clean and safe
renewable, clean and safe
renewable, safe, available, clean
renewable, clean and safe
abundant
expensive, not available
expensive
harmful, polluting
expensive, dangerous
harmful, exhaustible, polluting
*Activity 2: Compare your answer with a partner:
BA: I think solar is renewable.
LAN : Me too. I also think it is clean and safe....
Ba
Lan
1. …… energy is renewable, Moreover, it is clean and …………
2. Using coal is polluting, and it is ......……………. .
3. ……….. power is abundant. It is also ……. ......and safe.
4. Nuclear energy is renewable and clean. But it is ….. ............and ……. ..........
* Activity 3: Look at the pictures and complete these sentences, using the words in 1.
Solar
safe
non-renewable
Wind
clean .. ..
dangerous
expensive
Pronunciation
In three syllable words the mark(‘) represents the stressed syllable. The general rule are:

Rule1 : 0oo When Sylablel 2 &3 are short vowels. ( very popular)
Eg : ‘excellent , ‘difficult , ‘’president , ‘plentiful , ‘energy , ‘accident , ‘dangerous

Rule2 : o0o When Syllable 2 is a long vowel or a dipthong and Syllable3 is a short vowel or dipthong /ou/ . ( popular)
Eg : di’saster , po’tato , e’normous , ex’pensive , con’venient , ad’vantage ..
2. Khi thêm các hậu tố sau thì trọng âm từ chính không thay đổi: -ous, -ful, -ed, -ly, -ment, -ness, ...
Ex: ‘Dangerous
‘Limited ‘friendly
Các từ có tận cùng là: -tion, -sion, -ity, -ety, -ic, -ical, -ous, -ive, -ian, -al thì trọng âm trước những từ này.

Ex: sug’gestion geo’graphic ‘critical


dangerous
easily
abundant
enormous
expensive
energy
limited
plentiful
convenient
4. Listen and repeat. Which words are stressed on the first syllable and which ones are stressed on the second syllable? Put them in the appropriate columns.
*Activity 4:
* Activity 5: Read the following sentences and mark(’) the stressed syllable in the underlined words. Then listen, check and repeat.
Coal will be replaced by resource.
Wind power is and .
Natural gas is and it is harmful to the
Solar energy is and it can be replaced
Nuclear power is and
convenient
abundant
limited
environment.
plentiful
easily.
expensive
dangerous.
another
renewable
con`venient
a`bundant
`limited
en`vironment.
`plentiful
`easily.
ex`pensive
`dangerous.
a`nother
re`newable
Homework
1. Learn by heart vocabulary introduced in the lesson.
2. Prepare new lesson : Unit 10. A closer look 2.
3. Do exercise A1,2 (page 29), B1,2 (page 30) workbook
 
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