1、Unit 20New Frontiers.单词拼写1Its the only possible _(治愈)for our chronic trade deficit(长期贸易赤字)2There appeared to be a war between his head and his heart，and you could almost watch this _(冲突)going on.3Of black coffee and white coffee，I like the _(后者)better.4All _(捐赠)blood is tested for HIV and other infe
2、ctions.5I was doing my homework, and _(同时)my mother was cooking.6He was _(允许)to talk to the prisoner.7She won praise for _(挽救)an ailing business from near bankruptcy.8The school is only a few hundred yards farther down the road，so it is quite _(方便)for the children.答案1.cure2.conflict3.latter4.donated
3、5.meanwhile6.permitted7.rescuing8.handy.选词填空give away, wrestle with, in advance, figure out, make up for, take over, come into conflict, cure.of.1Could you give me some tips on how to_the time I have lost?2Next you need to_how to get over those obstacles.3Mr.Bush feels that he is old, so his son wil
4、l soon_his business.4During the Spring Festival, wed better book tickets_5He often_with his roommates, which makes them annoyed.6They are good exercises for those who like to_challenging questions.7Doctors are now able to_people _ many diseases which in former times would have killed them.8The littl
5、e boy_his hiding place when he coughed.答案1.make up for2.figure out3.take over4.in advancees into conflict6.wrestle with7.cure；of8.gave away.翻译句子1要是没有你的帮忙，工作便无法完成了。(without)_2在回家的路上，他们遇到了暴风雪。(get过去分词)_3到明天这个时间，我就到达巴黎了。(by)_4为了能乘飞机，你需要提前订票。(in advance)_5不要把秘密泄露给其他的人。(give away)_答案1.Without your help,
6、the work would have never been completed.2On the way back home, they got caught in the snowstorm.3By this time tomorrow, I will have got to Paris.4In order to take an airplane, you need to book a ticket in advance.5Dont give the secrets away to the others.阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。Jane：
7、How did you feel taking part in Turandot?Singer：It was a real opportunity for me to be cast. _1_ has always been one of my strongest desires to have a part in Turandot.Jane: How were you hired for the job?Singer：Well, Im a musical performer, _2_ there was a short period when I was not working, and w
8、as just _3_(collect)unemployment benefits. One day, I saw a poster put up by the production companys Personnel Department, saying they were looking for singers.I _4_(apply)for the job, and they sent me _5_ invitation to try out for a part in the chorus.Jane：Was it difficult to try out?Singer：Yes, it
9、 was difficult. They asked me to sing a tune, and at the time I had a sore throat, so I was afraid I _6_ get the job.Jane: What did you like best about participating in Turandot?Singer: The _7_(good)part was visiting Beijing because the performance was_8_(stage)in the Forbidden City. It was my first
10、 _9_ to Beijing.Jane: Would you like to visit Beijing again?Singer: Yes, I would like to visit Beijing again.Jane: Well, its been fun talking to you. I thank you _10_ your time.Singer: Youre welcome.答案1.It2.but3.collecting4.applied5.an6.wouldnt7.best8.staged9.visit10.for.阅读理解体裁题材词数难度建议用时说明文科技发明3707.
11、5分钟The air bag is a piece of safety equipment in cars.It was first designed by John WHetrick in 1952.Like many inventions，he came up with the idea as a result of an event that had occurred in his life.He says：“In the spring of 1952, my wife, my sevenyearold daughter, Joan, and I were out for a Sunda
12、y drive in our 1948 Chrysler Windsor.About three miles outside Newport we were watching for deer jumping across the road.Suddenly, there was a large rock in our path.I hit the brakes and we went into a ditch (壕沟)“As I applied the brakes, both my wife and I threw our hands up to keep our daughter fro
13、m hitting the car.There was soft mud in the ditch, so the car wasnt damaged, and no one was hurt.“During the ride home I couldnt stop thinking about the accident.I asked myself, Why couldnt some object come out to stop you from striking the inside of the car？As soon as I got home that night I drew s
14、ome sketches (草图)Each evening for the following two weeks, Id add or reduce something from the sketches.”Hetrick applied an event he had observed while in the Navy to the design of the air bag.He was repairing a torpedo (鱼雷) which had a cloth covering.When the compressed (压缩的) air that was in the to
15、rpedo was let out，the covering was suddenly filled with air and was shot to the ceiling.With this knowledge，he developed his design until he was able to obtain a patent on the invention on August 5，1952.The idea was similar to the air bag designs of today.Compressed air is stored in a container and
16、when a traffic accident occurs and the car slows down at a rapid enough rate，the air will be released into the air bag.The idea was ingenious，but Hetricks air bag never would have functioned properly.It was really a breakthrough, but it would require years and years of designing and testing by some
17、top car designers before it could be used.【语篇解读】本文是说明文。文章回顾了汽车安全防护装置气囊的发明过程。1Hetricks experience in the Navy_Aturned out to be dangerousBwas helpful to his inventionCinvolved designing torpedoesDinspired him to design an air bag答案B细节理解题。根据第五段的Hetrick applied an event he had observed while in the Nav
18、y可知，Hetrick的设计吸收了鱼雷工作的一些原理。2The underlined word “ingenious” in the last paragraph is closest in meaning to_Acreative Bridiculous Ccrazy Dcomplex答案A词义猜测题。后半句的意思是：Hetrick的气囊不能用。由转折连词but可知，ingenious应该是含义积极的形容词。联系全文语境可知应选A项。3What do we know about the air bag Hetrick designed?AIt came into use in the 195
19、0s.BIt performed perfectly in car accidents.CIt prepared the way for air bags nowadays.DIt took Hetrick about two months to develop it.答案C推理判断题。由最后一段后半部分可知，Hetrick的设计虽不能用，但为安全气囊的发展奠定了基础。4The text is mainly about_Athe great inventor HetrickBthe invention of air bagsCa terrible car accidentDroad safety in the 1950s答案B主旨大意题。文章第一段即点明了文章的主旨，特别是first designed和came up with the idea，可以看出文章是要介绍汽车安全气囊的发明。
