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1、1 课后限时作业 (十一) ( 见课时作业P21) 语言知识练 . 单句语法填空 1The old man used to make his living by selling(sell) newspapers. 2The price of the house in this city has gone up by 3% so far. 3The floor is so dirty that it really requires washing/to be washed(wash) 4Our teacher said that the new film was well worth seein
2、g (see) 5I hear that the girl is hard to get(get) along with. 6Listen! The boy is being scolded(scold) by his father. 7Shakespeares play Hamlet has been made(make) into at least ten different films over the past years. 8All the employees except the manager are encouraged(encourage) to work online at
3、 home. 9The girl was unhappy because she was laughed(laugh) at by some boys in the class. 10The government announced that six highways had been built(build) by the end of last year. . 句型转换 1Yuan Longping changed agriculture in China.He discovered a new type of rice. Yuan Longping changed agriculture
4、 in China by discovering a new type of rice. 2Researchers learn things when they carry out experiments. Researchers learn things by carrying out experiments. 3They changed the design，so they built a better engine. By changing the design， they built a better engine. 4If we plan for the future we can
5、be happy at present. By planning for the future we can be happy at present. 高考题型练 . 阅读理解 The plan: turn the Mars into a blue world with streams and green fields, and then fill it with creatures(生物 ) from the earth. This idea may sound like something from science fiction(科幻小说 ), but it is actually be
6、ing taken seriously by many researchers. 2 This suggests the future for the “red planet” will be the main topic for discussion at an international conference hosted by NASA(美国宇航局 ) this week. Leading researchers as well as science fiction writers will attend the event. It comes as NASA is preparing
7、a multi-billion-dollar Mars research programme. “Turning the Mars into a little earth has long been a topic in science fiction，” said Dr Michael Meyer, NASAs senior scientist. “Now, with scientists exploring the reality, we can ask what are the real possibilities of changing the Mars.” Most scientis
8、ts agree that the Mars could be turned into a little earth, although much time and money would be needed to achieve this goal. But many experts are shocked by the idea. “We are destroying our own world at an unbelievable speed and now we are talking about ruining another planet，”said Paul Murdin fro
9、m the Institute of Astronomy, Cambridge, U K. Over the past months, scientists have become increasingly confident that they will find Martian life forms. Europe and Americas robot explorers have found the proof that water, mixed with soil, exists in large amounts on the planet. In addition, two diff
10、erent groups of scientists announced on March 28 that they had found signs of methane( 甲烷 ) in the Martian atmosphere; the gas is a waste product of living creatures and could be produced by microbes(微生物 ) living in the red planets soil. But scientists such as Dr Lisa Pratt, a biologist at Indiana U
11、niversity, say that these microbes will be put in danger by the little earth project. “Before we have even discovered if there is life on the Mars, we are talking about carrying out projects that would destroy all these native life forms, all the strange microbes that we hope to find buried in the s
12、oil，” said Dr Lisa Pratt. Monica Grady, a planetary scientist at the Natural History Museum, London, shares this view. “We cannot risk starting a global experiment that would wipe out the precious information we are looking for，” she said.“This is just wrong.” 本文为议论文。 美国的一部分科学家想把红色火星改造成蓝色的“生命天堂”，就这一
13、 提议，科学家们展开了辩论。 1What is the passage mainly about? AA plan turning the Mars into a little earth. BThe necessity of changing the Mars. CFinding water on the Mars. 3 DThe Mars supporting life. 解析 A主旨大意题。 根据第一段可知，人们计划将火星变为一个小地球，下文就这一 计划是否应该实施进行了探讨，因此文章是围绕将火星变为小地球这一计划展开的，故选A 项。 2What could prove the exis
14、tence of microbes living in the Marssoil? ALiquid water on the Mars. BSome creatures on the Mars. CA lot of good soil on the Mars. DSigns of methane in the Mars atmosphere. 解析 D推理判断题。根据倒数第四段可知，科学家在火星上发现了甲烷存在的迹象， 而甲烷是生物排放出的一种气体。由此科学家认为火星上有微生物存在，故选D项。 3What can we infer from the passage? A Water is a
15、key factor for life; without it, living on the Mars would be impossible. BThe project wont affect the native life forms supposed to live on the Mars. CThe idea turning the Mars into a little earth is nothing but science fiction. DMonica Grady is in favour of carrying out the little earth project. 解析
16、 A推理判断题。 根据倒数第五段可知，科学家对于能够在火星上发现生物非常有 自信， 因为欧洲和美国的机器人已经发现了水存在的证据。由此可推知， 水是生命存在的关 键因素，故选A项。 . 完形填空 On a beautiful September evening, my 11-year-old grandson, Josh, and his team were warming up for their first football game of the season. At six, the 1 called the captains forward, said something and 2 his whistle.The two teams 3 separately.I was 4.The other team w
