Unit 10: ENDANGERED SPECIES
I. Choose the word which has the underlined part pronounced differently from the rest.
a. endangered b. destroyed c. damaged d. provided
a. medicine b. priority c. crisis d. primary
a. chemical b. which c. change d. each
II. Choose the word which is stressed differently from the rest.
a. government b. agency c. benefit d. diversity
a. disappearance b. vulnerable c. conservation d. generation
III. Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
Almost half of turtles and tortoises are known to be threatened with ____.
a. extinct b. extinction c. extinctive d. extinctly
Current extinction rates are at least 100 to 1,000 times higher than __ rates found in the fossil record.
a. nature b. natural c. naturally d. naturalness
It is reported that humans are the main reason for most species` declines and habitat _______ and degradation are the leading threats.
a. destroy b. destructive c. destructor d. destruction
We have to apply effective measures to save many plant and animal species _______ extinction.
a. from b. in c. for d. on
Over-exploitation for food, pets, and medicine, pollution, and disease are recognized _______ a serious threat _______ extinction.
a. as / of b. to / for c. over / with d. upon / at
Clearing forests for timber has resulted _______ the loss of biodiversity.
a. with b. at c. in d. for
Humans depend on species diversity to provide food, clean air and water, and fertile soil.
a. destruction b. contamination c. fertilizer d. variety
The world`s biodiversity is declining at an unprecedented rate, which makes wildlife _______.
a. prosperous b. prefect c. vulnerable d. remained
Life on Earth is disappearing fast and will continue to do so unless urgent action is taken.
a. vanishing b. damaging c. polluting d. destroying
_______ is the protection of environment and natural resources.
a. Survival b. Commerce c. Conservation d. Extinction
Hunting for meat and burning forests for soil cause destruction to wildlife.
a. organization b. contamination c. protection d. damage
Toxic chemicals from factories are serious factors that leads wildlife to the _______ of extinction.
a. wall b. fence c. verge d. bridge
Species become extinct or endangered for _______ number of reasons, but _____ primary cause is the destruction of habitat by human activities.
a. Ø / a b. a / the c. the / a d. Ø / Ø
Since _______ 1600s, worldwide overexploitation of animals for _______ food and other products has caused numerous species to become extinct or endangered.
a. the / a b. the / Ø c. Ø / the d. the / the
I _______ be at the meeting by 10:00. I will probably _______ take a taxi if I want to be on time.
a. must/ have to b. may / must c. should / needn`t d. mustn`t / shouldn`t
You _______ forget to pay the rent tomorrow. The landlord is very strict about paying on time.
a. needn`t b. mustn`t c. do not have to d. may not
The television isn`t working. It _______ during the move.
a. should have been damaged b. needn`t be damaged
c. must have been damaged d. ought not be damaged
I am not deaf. You _______ shout.
a. must b. mustn`t c. need d. needn’t
John failed again. He _______ harder.
a. must have tried b. should have tried c. can tried d. may have tried
___ I borrow your lighter for a minute? - Sure, no problem. Actually, you ___ keep it if you want to.
a. May / can b. Must / might c. Will / should d. Might / needn’t
I do not mind at all. You _______ apologize.
a. shouldn`t