Choose the word or phrase that best completes each sentence below.
21. The river water is severely polluted, mostly________ the dumping of raw sewage. A. due to B. lead to C. because D. so
22. ________ plastic takes so long to break down, it pollutes the land and ocean A. Because B. Due to C. Even if D. Although
23. Many flights were cancelled ________ the smoke from forest fires. A so B. because C. because of D. result in
24. ________the garbage dump smells terrible, no one lives around there. A. Because of B. As C. As a result of D. Even though
25. ________the grain consumption is rising, forests will be cut to provide more room for planting crops. A. since B. Although C. unless D. Due to
26. ________the fog, there were no take-oils from the airport yesterday. A. Since B. Because C. Owing to D. As
27. After the accident, many people were exposed________ radiation. A. from B. at C. to D. with
28. If rubbish is non-biodegradable, it________ forever. A. won’t exist B. exists C. will exist D. doesn’t exist
29. If people stopped using cars completely, there________ much less pollution. A. will be B. be C. is D. would be
30. If people________ more recycled paper, there wouldn’t be so much waste. A. buy B. didn’t buy C. bought D. will buy
Choose the underlined part that needs correcting in each sentence below.
31. What will happen if the Earth stopped moving?
A will B.if C.stopped D.moving
32. One of the things all of us can do to protect and improve our environment is recycle.
A.the things B.can do C.improve D.recycle
33. Long-term exposure to loud noise results permanent hearing loss.
A.long-term B.to C.result D.hearing loss
34. The amount of waste will decrease if people started to buy reusable packages
A.amount B.will decrease C.to buy D.reusable
35. Contaminated water can cause of many types of diarrheal diseases, including cholera.
A.contaminated B.cause of C.diseases D.including