（新教材）人教版（2019）必修第三册高中英语 unit 4 discovering useful structures练习（含答案）.docx

1、<p>人教版（人教版（2019）必修三）必修三 unit 4 discovering useful structures学校：_姓名：_班级：_考号：_一、填空题一、填空题1.The scenery on the top is _(难以描述).2.Only by working hard can we _(成功做好每件事).3._(确保) that you find the answers to these questions from them.4.I worked hard _(结果竟然失败了) at last.5.She studied hard_(怀着的希望) being

2、admitted into the key university.二二 用方框内所给单词的适当形式填空用方框内所给单词的适当形式填空facility,float,keen,lack,muscle,recycle,otherwise,sufficient1.If you keep your _ strong, it in turn helps you to avoid back problems.2. We noticed the balloon _ in the direction of the hills.3. Students must reach a _ high standard to

3、 pass.4. The government is _ for peace talks to start again soon.5.Alexs real problem is that he _ confidence.6.All these materials can be _ to reduce pollution.7.All the hotels are provided with leisure _ to get you relaxed.8.You will have to go now;_, you will miss your flight.三三、阅读理解、阅读理解A new st

4、udy suggests that dark markings on the planet Mars represent sand not water. The research in2015 suggested that lines on some Martian hills were evidence of water. Yet American scientists now saythese lines appear more like dry, flows of sand. If water is present, it is likely to be a small amount.

5、Water inliquid form would be necessary for microbial(微生物的) life.NASA, the American space agency,said more research is needed. Michael Meyer is the lead scientist forNASAs Mars exploration programme. He noted that the latest study does not reject the presence of water.But he admitted, It just may not

6、 be as exciting as the idea of rivers going down the sides of cliffs(悬崖).The new findings come from a team led by Colin Dundas of the United States Geological Survey. Histeam measured 151 of these lines in 10 areas. Most of the lines end with slopes between 28 degrees and 35degrees. These measuremen

7、ts are similar to active sand dunes(沙丘)on both Mars and Earth. A smallcovering of dust that moves and sometimes becomes lighter might help explain the markings. They usuallyappear in the Martian summertime, and then disappear until the next year. If these lines are dry .this suggeststhat recent Mars

8、 has not had large volumes of liquid water. Dundas and his research team say that manyquestions remain.I still think that Mars has a great potential for having had life early on in its history, Meyer said. “Aslong as thats true,we also have a reasonable possibility of life still being on Mars. It ju

9、st happens to becryptic or well hidden.NASA currently has no robotic vehicleeither on Mars or in developmentwith the ability to climb steepslopes. The lack of such equipment has engineers coming up with ideas like Martian helicopters or planeswithout pilots.1.What do American scientists find on Mars

10、 now according to their study?A.A lot of little life.B. An amount of water.C. Some Martian hills.D. Dark markings are sand.2.When do the markings come out?A. In Martian spring.B. In Martian summer.C. In Martian autumn.D. In Martian winter.3.Whats Meyers opinion about having life on Mars?A. Doubtful.

11、B. Trustful.C. Indifferent.D. Objective.4.What does the underlined word “cryptic ” in Paragraph 4 mean?A. UndiscoveredB. Strange.C. Magical.D. Icy.四四、语法填空、语法填空.I once found that helping someone could get you into a lot of trouble.I was in the _ (nine) grade at the time, and we were having a final te

12、st. During the test, thegirl _(sit) next to me whispered something, but I didnt understand. Finally I found that she wastrying to ask me _ I had an extra pen. She showed me that _ (her) was out of inkand would not write. I happened to have an extra one,so I put it on her desk.Later, after the test p

13、apers had been turned in, the teacher _ (ask) me to stay in the roomwhen all the other students were dismissed. As soon as we were alone she began to talk to me about howimportant it was _ (stand) on my own two _ (foot) and be responsible for my ownacts. For a long time, she talked about honesty and

14、 emphasized the fact that _ people dosomething dishonest,they are really cheating themselves. She made me promise that I would think _ (serious) about all the things she had said, and then she told me I could leave. I walked out ofthe room wondering why she had chosen to talk to me _ all those thing

15、s.Later on, I found out that she thought I had cheated in the test.参考答案参考答案一一 填空题填空题1.答案：beyond description2.答案：succeed in doing everything3.答案：Make sure4.答案：only to fail5.答案：in the hope of二 用方框内所给单词的适当形式填空用方框内所给单词的适当形式填空答案：1.muscles; 2.floating; 3.sufficiently; 4.keen; 5.lacks;6.recycled; 7.facilit

16、ies; 8.otherwise解析：三三 阅读理解阅读理解答案答案：1.D; 2.B; 3.B; 4.A解析：1.细节理解题。根据第一段第一句可知,科学家发现火星上的黑色标记是沙子不是水。故选D。2.细节理解题。根据第三段倒数第三句可知,这样的标记会出现在火星的夏季。 故选 B。3.观点态度题。根据第四段内容可推知, Meyer 还是相信火星上有生命。故选 B。4.词义猜测题。根据句中的 or well hidden 可知,cryptic的意思是“隐藏的;没被发现的”。故选 A。四四 语法填空语法填空答案答案：1. ninth2.sitting3. if/whether4.hers5.ask

17、ed6. to stand7.feet8.when9.seriously10.about解析：考试中一同学向我借笔,老师误以为考试作弊对我进行了教育。1. 【解析】ninth。考查序数词。此处指“九年级,定冠词 the修饰序数词,故填 ninth。2. 【解析】sitting。考查现在分词。句中谓语是 whispered,现在分词作定语指坐在我旁边的女孩,故填sitting。3. 【解析】if/whether。考查宾语从句。句意: 我发现她问我是否有多余的笔,根据动词 ask 和语境可知填“是否”if/whether。4. 【解析】hers。考查代词。此处指“她的笔”,相当于 her pen,

18、应用名词性物主代词,故填 her。5. 【解析】asked。考查动词时态。全文讲述的是过去发生的事,谓语动词用一般过去时。故填asked。6. 【解析】to stand。考查动词不定式。句中 it 是形式主语,不定式作真正的主语。故填 to stand。7. 【解析】feet。考查名词复数。此处由 two 修饰,即指“两只脚”,应用 foot 的复数形式。故填 feet。8. 【解析】when。考查连词。分析句意可知,当人们做一些不诚实的事情时,他们实际上是在欺骗自己。故填 when。9. 【解析】seriously。考查副词。此处修饰动词 think 要用副词,指“认真地想”,故填 seriously。10. 【解析】about。考查介词。分析句意可知,我不知道为什么老师和我谈论这么多关于作弊的事情。故填 about。</p>