11. We ………….. from different kinds of pollution: water air, soil and noise.
A. is suffering B. suffer C. are suffering D. had suffered
12. The babies ……….. when Alice came.
A. has slept B. have slept C. is sleeping D. were sleeping
13. America …………. Thanksgiving Day on the fourth Thursday of November since 1864.
A. celebrates B. has celebrated C. is celebrating D. celebrated
14. The fish died massively because the water is ……………
A. damaged B. hotter C. contaminated D. poison
15. A natural disaster can cause loss of life or ………….. damage.
A. property B. house C. home D. money
16. ……………. are severe winter storms characterized by heavy snow and strong winds.
A. Droughts B. Blizzards C. Hailstorms D. Volcanic eruptions
17. The ……………. can be controlled by the stoppage of leakage from the radioactive
materials including the nuclear reactors, industries and laboratories.
A. light pollution B. visual pollution C. air pollution D. radioactive pollution
18. English is ………….. of Australia and Singapore.
A. native language B. both A and C C. official language D. second language
19. Australia has the biggest ………… in the world.
A. natural beauty B. puzzling games C. cattle station D. tallest building
20. ………………… could possibly be avoided by better construction, safety systems, early
warning and planning.
A. Earthquakes B. mudslide C. droughts D. forest fire
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Sinh Học lớp 12
