( )1. __________ water, turn off the tap after washing your hands.
A. Save B. Saving C. Saved D. To save
A. Save B. Saving C. Saved D. To save
答案
D
( )2. —What about going out for a camping trip?
—Well, it all __________ the weather. We’ll go if it’s fine.
A. depends on B. decides C. allows D. produces
—Well, it all __________ the weather. We’ll go if it’s fine.
A. depends on B. decides C. allows D. produces
答案
A
( )3. We try to use new types of energy because they cost __________ and produce __________ pollution.
A. more; less B. more; more
C. less; more D. less; less
A. more; less B. more; more
C. less; more D. less; less
答案
D
( )4. These trees are useful. Don’t __________, or you __________.
A. cut down them; are fined B. cut them down; will be fined
C. cut down them; will be fined D. cut them down; are fined
A. cut down them; are fined B. cut them down; will be fined
C. cut down them; will be fined D. cut them down; are fined
答案
B
( )5. —__________ does the organization collect so many old clothes?
—For recycling, I think.
A. How B. Why C. What D. Where
—For recycling, I think.
A. How B. Why C. What D. Where
答案
B
( )6. —Nobody is allowed __________ in the library.
—Sorry, I won’t.
A. talk B. to talk C. talking D. to talking
—Sorry, I won’t.
A. talk B. to talk C. talking D. to talking
答案
B
( )7. —Where do you plan to send these plastic bottles?
—They __________ to the factories for recycling.
A. will send B. will be sending
C. will be sent D. are sending
—They __________ to the factories for recycling.
A. will send B. will be sending
C. will be sent D. are sending
答案
C
( )8. —We must act now because time is __________.
—Yes. Let’s start.
A. coming out B. giving out C. cutting out D. running out
—Yes. Let’s start.
A. coming out B. giving out C. cutting out D. running out
答案
D
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