2018-2019学年河南省洛阳市下学期第一次月考高一英语试题(解析版)

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共52题,约26300字。
  2018-2019学年河南省洛阳市下学期第一次月考高一
  英语试题
  第Ⅰ卷
  第一部分听力(共两节,满分30 分)(略)
  第二部分阅读理解(共两节,满分40分)
  第一节(共15小题;每小题2分,满分30分)
  阅读下列短文,从每题所给的四个选项(A、B、C和D)中选出最佳选项,并在答题卡上将该项涂黑。
  A
  More than two thirds of the world’s polar bears will be wiped out by 2050, according to a shocking new study. By then, scientists say, global warming will have melted 42 percent of the Arctic sea ice. By 2100, only a very few of these important creatures will be left.
  The report has been produced by the US Geological Survey. The scientists have publicized their findings in the hope of influencing US Interior Secretary Dirk Kempthorne, who has been asked to put polar bears on the US endangered species list.
  Polar bears depend on floating sea ice as a platform for hunting seals, which are their main food. Without enough ice, polar bears would be forced to go onto the land, where they are poorly skilled hunters, and would be unlikely to adapt to the life on the land in time. Experts say few little bears would survive and the stress could make many females unable to get pregnant.
  The team of American and Canadian scientists spent six months studying bears, on the ground, from spotter planes and in the lab,using computer models. Some team members fear the result is even worse for the bears than what their report says. They say the Arctic is warming faster than anywhere in the world and much faster than their computer had been forecasting. Satellite observations have showed that the ice has decreased to an all­time low.
  However, not everyone in the scientific community believes that global warming is happening on such an alarming scale. Another investigation has found that polar bears are still being hunted by wealthy “sportsmen”who want their skins and heads. At least ten international companies offer bear­hunting trips.
  1. What do we know about Dirk Kempthorne according to the passage?
  A. He is an animal scientist.
  B. He is a protector of animals working for the US government.
  C. He was asked to put polar bears on the US endangered species list.
  D. He offered to put polar bears on the endangered species list.
  2. Why will polar bears die out if there is not enough sea ice?
  A. Because polar bears can’t catch enough food without ice.
  B. Because polar bears eat ice when they feel thirsty.
  C. Because polar bears will be easily found by hunters without ice.
  D. Because most female bears are used to giving birth under ice.
  3. After a six­month study, some scientists fear that________.
  A. there is something wrong with their computers
  B. polar bears will disappear even faster than they ever expected
  C. their computer models are not as accurate as they expected
  D. global warming will destroy everything in the Arctic
  【答案】1. C    2. A    3. B
  【解析】
  这是一篇说明文。本文说的是由于全球变暖,北极熊有可能在这个世纪末就要灭绝了。
  【1题详解】
  细节理解题。根据第二段第二句中的“US Interior Secretary Dirk Kempthorne, who has been asked to put polar bears on the US endangered species list.”可知,他被要求把北极熊列入美国濒危物种名单,故选C。
  【2题详解】
  推理判断题。根据第三段第一句“Polar bears depend on floating sea ice as a platform for hunting seals, which are their main food.”可知,如果没有足够的海冰,北极熊会因为捕捉不到足够的猎物而濒临灭绝,故选A。
  【3题详解】
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