【精品推荐】 提分神器--初中英语语法易错题专训
初中英语语法练习题二轮复习(附详细答案解析)---阅读理解
If you look at the sky one night and see something moving and shining that you have never seen before, it might be a comet (彗星).
A comet sometimes looks like a star. Like a planet, a comet has no light of its own. It shines from the sunlight it reflects (反射). Like the earth a comet goes around the sun, but on a much longer path than the earth travels.
If a comet isn’t a star, what is it then?
Some scientists think that a large part of a comet is water frozen (冻) into pieces of ice and mixed with iron and rock dust and perhaps a few big pieces of rock. When sunshine melts (融化) the ice in the comet, great clouds of gas go trailing after it. These clouds, together with the dust, form a long tail.
Many people have seen a comet. However, no one knows how many comets there are. There may be millions of comets, but only a few come close enough for us to see.
An Englishman named Edmund Halley, who lived from 1656 to 1742, found out a lot about the paths that comets take through the sky. Some comets move out of our sight and never come back. Others keep coming back at regular times. A big comet that keeps coming back was named after Halley comet, because the last time it came close to the sun and the earth was in the year 1986. Then people all over the world were outside at night to look at it. You will probably be able to see Halley’s comet when it comes near the earth again.
根据短文内容，从题中所给的A、B、C、D四个选项中，选择最佳答案。
1．A comet is like.
A. the sun
B. the moon
C. sunlight
D. the earth
2．A large part of a comet is.
A. water and rock
B. water frozen into pieces of ice and mixed with iron and rock dust and perhaps a few pieces of rock
C. ice, iron and rock dust
D. only a few big pieces of rock
3．Many people.
A. haven’t seen any comets
B. have seen all comets
C. have seen a comet at daytime
D. have seen a comet
4．Some comets keep coming back.
A.at any time
B.at noon
C.at regular times
D.at daybreak (拂晓)
5．When did Halley’s comet come close to the sun and the earth last time?
A. In 1656.
B. In 1742.
C. In 1986.
D. In 1996.
试题分析：短文大意：本文介绍了有关彗星的知识。彗星有时看起来像个明星。就像一个行星，一颗彗星本身不发光。它是在反射阳光。如同地球一样，彗星绕着太阳转，但它比地球的旅行轨道更长。如果彗星不是一颗恒星，它是什么呢？短文叙述了一些科学家的观点。
1．D
细节理解题。根据"Like the earth, a comet goes round the sun, but…"可知选D。
2．B
细节理解题。根据"…is water frozen into pieces of ice and mixed with iron and rock dust and perhaps a few big pieces of rock."这句话即能得出答案B。
3．D
细节理解题。由第五段的首句"Many people perhaps have seen a comet."可知选D。
4．C
细节理解 题。根据"Some comets move out of our sight and never come back. Others keep coming back at regular times."一句可知选C。
5．C
细节理解题。哈雷彗星每七十六年才能看到一次。再结合"…the last time it came close to the sun and the earth was in the year 1986."这句话的意思，即可得到答案C。
考点：科普环保类短文阅读。
A new report shows what life might be like in 100 years from now. It describes skyscrapers that are much taller than today’s buildings, underwater “bubble” cities and holidays in space. The report is from a company. It asked experts (专家) on space and architecture, as well as city planners, to give their ideas on the life in 2116. They said the way we live, work and play will be totally different to how we do these things today. The experts used the Internet as an example. They said that 25 years ago, people could not imagine how the Internet and smartphones would change our lives. The Internet has completely changed the way we communicate, learn and do daily things. The experts said the changes in the next century would be even more unbelievable.
Researchers questioned 2,000 adults about the prediction (预言) they thought were most likely (很可能的) to happen in the future. They predicted that in the future, few people will go to an office but will work from home and have work meetings online. People will have highly developed 3-D printers that will let you download (下载) a design for furniture or a food recipe and then “print” the sofa, table or pizza at home. There will also be less need for visits to the doctor. We will all have a home health instrument that will tell us what the problem is and give us treatment. We will also be going into space for holidays and to get resources that we have used up on Earth. A prediction that is missing is whether people will still need to study English.
根据短文内容，从题中所给的A、B、C、D四个选项中，选择最佳答案。
1．The writer uses the example of the Internet in Paragraph 1 to show __________ .
A. the Internet was often used
B. the Internet has developed fast
C. people will not believe the changes
D. technology will change people’s lives
2．With the help of highly developed 3-D printers, a way to get a sofa in 2116 is to __________ .
A. buy one in a shop
B. ask somebody to make one
C. download a design and “print” one
D. design and make one by oneself
3．According to the passage, the missing prediction is __________ .
A. how people will work
B. where people will get resources
C. what people will have at home to treat illness
D. whether people will still need to learn English
4．The passage is mainly about __________ .
A. the life in 2116
B. holidays in space
C. the history of the Internet
D. medical treatment
5．The passage is most probably from __________ .
A. an advertisement
B. a newspaper
C. a detective story
D. a health report
试题分析：本文描述了一百年后人类的生活情况：更多的高楼、水下城市、太空旅游、3 D 打印 ......，人类的生活会与现在大不一样，而且许多人相信这一切将会发生。
1. D
细节理解题。根据上文They said the way we live， work and play will be totally different to how we do these things today .他们认为2116年的生活、工作以及出游方式将与当今截然不同。可知想利用互联网来表明：未来生活将因科技会发生很大变化，故选 D 。
2．C
细节理解题。 根据“People will have highly developed 3﹣D printers that will let you download a design for furniture or a food recipe and then‘print’the sofa，table or pizza at home．通过先进的3D打印机，人们可以下载家具设计以及美食菜谱，通过它们在家‘打印’沙发、桌子或是披萨。”故选C。
3．D
细节理解题。根据下文“A prediction that is missing is whether people will still need to study English．”可知人们不知道未来还需不需要学习英语．故选D。
4．A
推理判断题。根据“A new report shows what life might be like in 100 years now．有一份报告预测了100年后人类的生活．”可知这篇短文主要是关于2116年的生活，故选A。
5．B
推理判断题。根据短文大意可知，这是一篇预测未来生活的文章，可能出现在报纸上，故选B。
考点：科普类短文阅读。
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