31. ________more information, please telephone our main office.
A. If you will need B. Should you need
C. You should need D. If you needed
32. If Jack refuses to help, we manage without him.
A. have to B. will have to
C. had to D. are having to
33. I cannot buy a new computer_______ I save enough money.
A. if B. even if C. unless D. as if
34. You will get a good seat if you _____ first.
A. come B. came C. have come D. will come
35. We’ll be late unless we ____ now.
A. leave B. don’t leave C. had left D. have left
36. We can reuse _______ .
A. water B. air C. noise D. bottles
37. What does “reduce” mean?
A. using something again B. using something more
C. using something less D. collect something
38. What does “reuse” mean?
A. using something again B. using something more
C. using something less D. collect something
39. We shouldn’t _____ rubbish on the street.
A. throw B. reuse C. wrap D. turn off
40. Polluted water can make fish _____.
A. live B. sleep C. grow D. die
41. Soil pollution can lead to lack __________ food.
A. for B. in C. on D. of
42. Almost 27,000 trees are cut __________ every day just to make toilet paper!
A. off B. down C. up D. in
43. The three Rs __________ reduce, reuse and recycle.
A. mean by B. turn to C. stand for D. put up
44 You shouldn’t throw those papers away; they’re __________
A. refillable B. reducible C. recyclable D. repayable
45. We should use reusable shopping bags __________ plastic bags.
A. instead of B. because of C.in spite of D. place of
Loga
Sinh Học lớp 12
