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1、Unit 3 Inventors and inventions Warming Up Reading Language Points .单句语法填空 1It is hard to distinguish him from his twin brother.2The secretary arranged a convenient (convenience) time and place for the applicants to have an interview.3To their disappointment, the result was contrary to their expecta
2、tion (expect)4The deserted girl was adopted by a merciful (mercy) old couple.5He seized her by her hand and shook it heartily.6I will be grateful if you can consider accepting me and calling me up.7On hearing someone come to visit him, he set about clearing his messy room.8No one would have dreamed
3、of there being (be) such a good place.完成句子1What was it that distinguished_her_from her classmates?是什么使得她有别于班上其他同学呢？2Would it be_convenient_for_you to leave tomorrow?你明天走方便吗？3He offered help in_expectation_of nothing.他提供帮助并不期望得到什么。4His friend was in time to seize_him_by_the_arm before he fell over.在他
4、跌倒之前，朋友及时抓住了他的胳膊。5The boss is_cautious_about making promises although generous.老板虽然慷慨，但对承诺持谨慎态度。6Kids in China usually set_about_learning/set_out_to_learn English in the primary school.中国的孩子通常在小学时开始学英语。7Please forgive me to_call/ring_you_up so early.请原谅我这么早给你打电话。8There_were_many_fans waiting to see
5、the famous singer outside the airport.机场外有很多粉丝正等着见那位著名的歌手。.阅读理解ASurface Exploration. Robots make great explorers on planets, moons, and other landing areas.Aside from Earth, just about every surface in the solar system is unsafe for humans to explore.The air on most other planets is insufficient for
6、 humans to breathe, making it necessary to wear a space suit and oxygen equipment.The temperatures on these surfaces are much too hot or much too cold for any humans to withstand.Plus there would be complications with radiation, weather, and a lack of gravity.Robots have much less limitation in thes
7、e areas and can survive much longer under these conditions.Data Collection. Robots are designed for collecting scientific data.Robots are also able to perform many tasks at a time and can process information more quickly and more efficiently.Important scientific projects from detecting minerals, ana
8、lyzing ground samples, and finding water are all performed more quickly and accurately (精确地) by robots.Cost Effective. The use of robots have made the cost of space exploration much less expensive than it would cost for humans to do the work.In order to successfully send humans into space we would n
9、eed to build a vehicle that can not only carry humans, but also enough food and water to keep them alive for the duration of the trip.Moreover, robots have no problems working for hours on end.Robots never complain.They dont require food or water, and they never need a bathroom to break.Space Travel
10、. Over the past 30 years or so there have been many different types of robots used successfully in the exploration of space.Perhaps the most famous and successful robots are the Spirit and Opportunity who have both been exploring the surface of Mars.They have both been very successful with experimen
11、ts on soil and rocks and have even found evidence of water in Mars history.语篇解读：文章主要介绍了机器人是如何在一些星体进行太空探索及与人相比所占的优势和所起的作用等。1According to the passage, which of the following is NOT true?AThe use of robots in space exploration costs more than the use of humans.BIt may be dangerous for humans to explore
12、 the solar system except the earth.CBoth the Spirit and Opportunity have found the evidence of water in the Mars.DMany different types of robots have explored the space successfully.解析：选A细节理解题。由第三段第一句“The use of robots have made the cost of space exploration much less expensive than it would cost fo
13、r humans to do the work”可知，使用机器人进行太空探索比人类做这项工作花费更少，因此A项说花费更多是有误的。2Which column could the passage come from?AEducation.BFinance. CTravel. DScience.解析：选D推理判断题。本文主要介绍关于机器人在太空探索中的运用，这应该属于科学栏目，故选D项。3What is the writers attitude in writing this passage?ANegative. BPersuasive.CSubjective. DObjective.解析：选D推
14、理判断题。综观全文可知作者只是客观地介绍了机器人在太空探索中的使用，并未带有否定的、说服性的或者是主观的看法，故选D项。4While sending an astronaut into the space, we should consider the following EXCEPT _.Athe radiation Bthe oxygen Cthe diet Dthe alien解析：选D细节理解题。在本文的第一部分提到了A、B两项“辐射”和“氧气”问题，在第三段提到了C项“饮食”问题。在本文并未提到有关“外星人”的情况，故选D项。BWill the future car be power
15、ed by hydrogen(氢), electricity, biofuels or nuclear energy？Many people want to know it.Therefore, lets take future cars one by one to see which is more likely to run on our highways and roadways.Hydrogen fuel cars are here now and all the major automakers at least have one type on the roads.The only problem holding hydrogen cars back is the lack of adequate refueling stations.At this point in time, it looks as if Germany and Japan will be leading the charge in building this hydrogen refueling station within their countries.The electric car is also a vehicle that is here now and has been fo
