Share E8.UNIT 7. REVIEW
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It’s essential to _______ single-use products instead of throwing away them.A. litter B. Remove C. reduce D. recycle
C
America says it ____________ until other countries ____________ more action. A. won’t act - took B. won’t act – take C. doesn’t act - will take D. acts - don’t take
B
____________ you buy and use a plastic bag, ask yourself if you really need it. A.Before B. When C. While D. After
A
____________ the arrival of humans on Earth, species became extinct naturally.A. Before B. Since C. After D. As soon as
A
____________ my little cousin saw the tiger in the cage, he cried out. A. Before B. Since C. When D. Until
C
As soon as we ____________ risks of climate change, we all ____________ together to fight against them. A. realize - worked B. realized - worked C. realized - work D. will realize – work
B
____________ I get to school, I will show you my writing about the habitat of polar bear. A. As soon as B. While C. Until D. Till
A
____________ fossil fuels are burnt, they release large amounts of carbon dioxide into the air. A. Till B. Until C. Before D. When
D
Most species don’t receive protection ____________ their populations reduce to nearly zero.A. as B. when C. before D. until
D
Until there ____________ heavy penalties for environmental violations, many factories_____ disposing pollutants into the air.A. are - won’t stop B. will be - will stop C. were - won’t stop D. are – stopped
A
Solar energy needs to be converted into electricity after we can use it. A. needs to be B. into C. after D. can use it
C
Will the climate still be in warning state after greenhouse emissions stopped? A. still be B. warning C. after D. stopped
D
When a species of plants or animals are in danger of extinction, it is gradually disappearing. A. When B. species C. are D. it
C
Who is responsible when climate change harms the world’s the poorest countries? A. is B. when C. harms D. the poorest
D
When fossil fuels are burnt, they released greenhouse gases - mostly carbon dioxide. A. When B. burnt C. released D. mostly
C
We'll get there. We will send a message. (AS SOON AS)
As soon as we get there, we will send a message
