Đề thi học kì 2 môn Tiếng Anh Lớp 7 Global Success - Đề số 4 (Có đáp án)

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 17. This is an story for me. I can’t believe it. (BELIEVE) 
 18. voluntarily contribute their money and other things to celebrate the festival together. 
 (VILLAGE) 
 19. Using public transport can reduce . (POLLUTE) 
 20. The teachers is giving to the difficult question. (EXPLAIN) 
 V. Read the passage and complete the following sentences with ONE or TWO words. 
 The increased loss of the ecosystems including wetlands, wildlife, rainforests, coral reefs, aquatic life forms, 
 and grasslands are highly influenced by overpopulation. It is out of overpopulation that activities such as 
 excessive agriculture, environmental pollution, and extensive land development have become more and more 
 intensive. 
 For example, rainforests originally covered 14% of the entire earth’s surface. Today, rainforests only cover 
 about 6% of the earth’s surface and scientists forecast it may even become less in the next four decades judged 
 by the current rate of vegetation removal, logging, and deforestation. Besides, due to environmental pollution, 
 30% of the ocean reefs have been lost because of acidification and global warming since 1980. Also, more 
 than half of the original wetlands have been lost. 
 21. The increased loss of the are highly influenced by overpopulation. 
 22. Excessive agriculture has become more and more . 
 23. of the entire earth’s surface was originally covered by rainforests. 
 24. Rainforests may cover less than 6% of the earth’s surface in the next . 
 25. Acidification and have made 30% of the ocean reefs disappear since 1980. 
 VI. Read and choose the best answer to fill in each blank. 
 Humans store energy in (26) bodies, the earth stores the sun’s energy. The sun’s energy is stored 
 in coal, natural gas, water and wind. Coal, oil, and natural gas are called fossil fuels. We use the energy in 
 these fossil fuels to (27) electricity. We use electricity in many different ways. We light and heat 
 our homes, schools and businesses using electricity, and to run computers, refrigerators, washing machines, 
 and air conditioners. Our cars and planes run (28) gasoline, which comes from oil. By the year 
 2013, most of the energy we use comes from fossil fuels. (29) , fossil fuels are non-renewable 
 sources of energy. They cannot be used over and over again. This means that one day they will run out! 
 Luckily, there are some renewable energy sources we can use. Unlike non-renewable fossil fuels, they will 
 not run out. Three forms of renewable fuels are solar (coming from the sun) energy, water energy and wind 
 energy. All these renewable energy sources are (30) for us because they will not run out, so we 
 need to get better and better at using them. 
 26. A. his B. her C. their D. our 
 27. A. make B. cause C. do D. run 
 28. A. by B. on C. with D. in 
 29. A. Therefore B. Otherwise C. However D. As a result