Bộ đề thi thử THPTQG năm 2018 - Môn Tiếng Anh - 20 ĐỀ + ĐÁP ÁN - GV Kiều Thị Thắng - Tuyensinh247
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Wind, water, air, ice and heat all work to cause erosion. As the wind blows over the land, it often<br />
(31)________ small grains of sand. When these grains of sand strike against solid rocks, the<br />
rocks are slowly worn away. In <strong>thi</strong>s way even very hard rocks are worn away by the wind. When<br />
particles of rocks or soil became loosened(tơi ra) in any way, running water carries them down<br />
the (32)________ Some rocks and soil particles are carried into streams and then into the sea.<br />
Land that is covered with trees, grass and other plants wears away very slowly, and so loses very<br />
(33)________ of its soil. The roots of plants help to (34)________ the rocks and soil in place.<br />
Water that falls on grasslands runs away more slowly than water that falls on bare ground. Thus,<br />
forests and grasslands (35)________ to slow down erosion.<br />
Question 31: A. holds up B. picks up C. cleans out D. carries out<br />
Question 32: A. hillsides B. borders C. topside D. topsoil<br />
Question 33: A. few B. much C. little D. large<br />
Question 34: A. stay B. store C. hold D. back<br />
Question 35: A. help B. assess C. facilitate D. aid<br />
Read the following passage, and mark the letter A, B, C, or D on your answer sheet to indicate<br />
the correct answer to each of the questions.<br />
Since the world became industrialized, the number of animal species that have either become<br />
extinct or near extinction has increased. Bengal tigers, for instance, which once roamed the<br />
jungles in vast numbers, now number only about 2,300. By the year <strong>20</strong>25, it is estimated that<br />
they will become extinct.<br />
What is alarming about the case of the Bengal tiger is that <strong>thi</strong>s extinction will have been caused<br />
almost entirely by poachers who, according to some sources, are not always interested in<br />
material gain but in personal gratification. This is an example of the callousness that is<br />
contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other<br />
endangered species, are valuable parts of the world / s ecosystem. International laws protecting<br />
animals must be enacted to ensure their survival-and the survival of our planet.<br />
Countries around the world have begun to deal with the problem in various ways. Some<br />
countries, in an effort to circumvent the problem, have allocated large amounts of land to animal<br />
reserves. They then charge admission prices to help defray the costs of maintaining the parks,<br />
and they often must also depend on world organizations for support. This money enables them to<br />
invest in equipment and patrols o protect the animals. Another response to the increase in animal<br />
extinction is an international boycott of products made from endangered species. This has had<br />
some effect, but by itself will not prevent animals from being hunted and killed.<br />
Question 36: What is the main topic of the passage?
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