2017公共英语二级考前巩固练习题(19)
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阅读下列短文,回答题目. In July l994 Jupiter，the largest planet in our solar system，was struck by 21 pieces of a comet(彗星).When the fragments(碎片)landed in the southern part of the giant planet，the explosions were watched by scientists here on earth。But what if our own planet was hit by a comet? The year is 2094.It has been announced that a comet is heading towards the Earth.Most of it will miss our planet，but two fragments will probably hit the southern part of the Earth.The news has caused panic. On 17 July，a fragment four kilometres wide enters the Earth’s atmosphere with a huge explosion.About half of the fragment is destroyed.‘But the major part survives and hits the South Atlantic at 200 times the speed of sound.The sea boils and all enormous wave is created and spreads. The wall of water rushes towards southern Africa at 800 kilometres a、n hour.Cities on the African coast are totally destroved and millions of people are drowned.The wave moves into the Indian Ocean and heads towards Asia. Millions of people are akeady dead in the southern part of the Earth.but the north won’t escape for long.Tons of broken pieces are thrown into the atmosphere by the explosions.As the sun is hidden by clouds of dust，temperatures around the world fall to almost zero.Crops are mined.Wars break out as countries fight for food.A year later civilization.has collapsed.No more than 10 million people have survived. Could it really happen?In fact，it has akeady happened more than once in the history of the Earth.The dinosaurs(恐龙)were on the Earth for over 160 million years.Then 65 million years ago they suddenly disappeared.Many scientists believe that the Earth was hit by a space fragment. The dinosaurs couldn’t survive in the cold climate that followed and they became extinct.Will we meet the same end? 1. Which of the following is NOT TRUE according to the author’s description of the disaster in 2094? A.The whole world becomes extremely cold. B.All the coastal cities in Africa are destroyed. C.The whole mankind becomes extinct. D.The visit of the comet results in wars. 参考答案：C 参考解析： 答案及解析 C【解析】推理判断题。作者在这篇科幻小说中描述了2094年7月17日彗星撞击地球后的情形。在倒数的第二段作者说，A yearlater civilization has collapsed.No more than l0 million people havesurvived.而不是人类在地球上灭绝了。extinct意为“灭绝”。所以正确的答案为C。 2.In writing the passage，the author intends to__________. A.give an accurate description of the possible disaster in the future B.prove that humans will sooner or later be destroyed C.tell the historical development of the Earth D.warn of a possible disaster in the future 参考答案：D 参考解析：D【解析】推理判断题。在这篇短文中，作者讲述了2094年彗星撞击地球后可能产生的灾难，目的是为了警告人们在未来地球可能会遭受灾难。所以正确的答案为D。 相关资料 |
