I. Choose the best answer to complete each of the following sentences.
1. Air pollution has many effects_________ the environment and living organisms.
A. in B. of C. for D. on
2. The volcano has erupted approximately once every ten years_________ 1970.
A. since B. in C. from D. for
3. After a severe storm, there is often_________ along the shore that will need to be removed.
A. waste B. debris C. lava D. junk
4. In the 1980s, acid rain_________ widespread damage to forests in the areas.
A. made of B. resulted in C. led for D. caused by
5. _________ plastic takes so long to break down, it pollutes the land and water.
A. Even though B. While C. Since D. Because of
6. If I had the chance to take part in an International summer camp, I_________ very excited.
A. am B. was C. will be D. would be
7. _________ do earthquakes usually last? - Less than one minute.
A. How strong B. How long C. How often D. How far
8. Niagara Falls is a great natural_________ on the border of the USA and Canada.
A. castle B. loch C. spectacle D. Symbol
9. The 2010 Haiti earthquake was the most_________ natural disaster in the history of this country.
A. destructive B. permanent C. unique D. awesome
10. The river water is severely polluted, mostly________ the dumping of raw sewage.
A. due to B. lead to C. because D. so
11. Sudden changes in water temperature can ________ mass killings of fish, plants, or amphibians.
A. come up B. result in C. dump into D. thank to
12. Water pollution________ the death of all forms of life in the water bodies.
A. occurs B. results of C. creates D. leads to
13. ________ plastic takes so long to break down, it pollutes the land and ocean.
A. Because B. Due to C. Even if D. Although
14. Many flights were cancelled ________ the smoke from forest fires.
A. so B. because C. because of D. result in
15. ________the garbage dump smells terrible, no one lives around there.
A. Because of B. As C. As a result of D. Even though
16. The inhabitants of Scotland are called__________.
A. Scotlanders B. Scotlish C. Scots D. Scotchs
17. Her English accent is so good that she is thought of as a__________ speakers.
A. natural B. official C. non-native D. native
18. Loch Ness is a__________ in the Highlands of Scotland.
A. person B. lake C. valley D. river
19. __________ having two official languages, Canada has the third largest English-speaking
population.
A. Despite B. Because C. Due to D. Even though
20. The Capital of Canada is__________.
A. Edinburgh B. Ottawa C. Cardiff D. Belfast
21. Susan looks forward__________ a music camp, where she can sing and dance.
A. to attend B. to attending C. to be attended D. be attending
22. Five skiers are missing after the_________ in the Alps.
A. drought B. landslide C. flood D. avalanche
23. After the_________ all the houses were left under water.
A. flood B. tornado C. typhoon D. mudslide
24. It took firefighters five days to put out the_________.
A. hurricane B. forest fire C. tsunami D. drought
25. A period of 3- 4 months without rain will cause a severe_________.
A. typhoon B. earthquake C. drought D. flood