英语必修二U3基础词汇、重难点讲解、拓展提升(含答案).doc

必修二. Unit 3: Computers基础 知能 回扣一. 核心词汇1．重点单词：1探索；探测vt.&vi.8计算vt.2普遍的；通用的；宇宙的adj.9材料n.3电子的adj.10就个人而言；亲自adj.4发信号vt.&vi.；信号n.11真实；事实；现实n.5出现；发生vi.12合逻辑的；合情理的adj.6工艺；科技；技术n.13智力；聪明；智能n.7优点；有利条件n.14解决；解答vt.2．以适当词形填空：1) We’ll take a voyage of _________. (explore)2) Columbus discovered America but did not ________ the new continent. (explore)3）They’re making ___________ medical tests. (explore)4）Television provides _________ entertainment. (universe) 5）There are lots of stars in the ________. (universe)6 Dont judge by __________ can be misleading. (appear)7) He promised to be here at four oclock but didnt _________ until six. (appear)二. 高频短语.1.按照顺序; 挨次整齐__________ 2.次序紊乱__________3.人工智能__________ 4.非常喜爱，醉心于__________5.进行…的研究________ 6.实现，达到__________7.从某种程度上说__________ 8.挡住路, 妨碍, 多余的__________9.迷路, 迷失方向; 误入歧途__________ 10. 看守，照管，监视__________三. 重点句式. 1. With the help of computer, you may not find it hard to deal with and share information. (it做形式宾语) 在电脑的帮助下，你会发现处理和分享信息是不难的。

2. This will cost a lot of money, but after all, it is worth buying a computer for every teacher. 为每位老师购置一台电脑要花费很多钱，但毕竟这很值得 3. If a new situation arises, they will make up new programmes. 如果出现新的情况，他们会补充新的程序 4. Personally, I think the team who won first place cheated. 就我个人而言，我认为赢得第一名的那支队作弊 5. It is generally believed that IT has both advantages and disadvantages. 人们普遍认为信息技术既有优点又有缺点 6. In a way, her English has improved but there is still a long way to go. 从某种程度上看，她的英语有所进步，但对她来说，学好英语道路还很长 7. In common with my teammates , I enjoy staying home reading novels when I am on holiday.（现在分词做状语. 和我的同伴们一样，放假时，我喜欢呆在家里看小说。

8. However, people thought I was simple-minded until they discovered I had “artificial intelligence”. 可是人们本来以为我头脑简单，直到发现我有人工智能时，他们才不这么想了 9. Charles Babbage is generally considered to have invented the first computer. 人们普遍认为第一台电脑是查尔斯巴比奇发明的 10. The door won’t open anyway. 这门无论如何也打不开 11. As the years have gone by, computers have been made smaller and smaller. 一年又一年过去了，电脑被制造得越来越小四. 课文完形: Over time I have been changed a lot. I could 1 (简化) difficult sums when I began 2 a calculating machine. After I was programmed by an operator, I could 3 (logic) produce an answer quicker than any person. At that time it 4 (consider) a 5 ( 技术的) revolution. In 1936, I could solve difficult problems as a 6 (universe) machine. From then on, my memory has developed so much 7 I never forget 8 I have been told. Since the 1970s, many new applications have been found for me. For example, I have been sent to explore the Moon. 9 , my goal is 10 (provide) humans with a life of high quality. 五. 单词拼写:1．Dry wood b______ easily. 2．The manager of the cinema sent me some f_________ tickets for Titanic this morning. 3．Only forty p______ of the children go to school in the village. 4．They are busy g______ seeds in the fields. 5．I asked the boy to f_________ me the morning paper. 6．A computer can solve many m____________ problems.7. P____________, I think the team who won first place cheated..8. The 21st century is the century of information t____________.9. I think we can work together to c_________ an even better system.10. Computers are used to c____________ with each other around the world by the Internet.11. He is quite clever a boy though he looks s________.12. In the past 20 years, my hometown has t_________ changed.13. If any problem a_______, please tell me.14. Has Edward ____________ (计算) the result?15. The environment pollution is a _____________ (普遍) problem.六.选词填空make up take action in the 90s in one’s fifties have sth in common deal with after all take advantage of with the help of as a result from then on1. They had a lot ____________ and became good friends very soon.2. How are you going to ___________ such problems?3. Don’t blame him. _____________, he is a child.4. He soon ___________ the lessons he missed.5. Why didn’t you _______________ to put out the fire?6. It is not rare in ____________ (九十年代) that people in ____________ (五十多岁)are going to university for further education.7.____________ she knew she would win. 8. In spring, we usually set the clock one hour ahead to___________the daylight.9. ___________, he had to leave.10.___________ his parents, he finished his homework soon.七.句型巩固1.在我看来，这食物不够。

______ ________, the food is not enough. 2.昨天他参加了智力考试 Yesterday, he took an i________________ test. 3.他不知道该怎么对付他那顽皮的儿子 He don’t know how to ______ ________ his naughty son. 4.你的胃痛并不令人惊奇，毕竟你吃得太多了It’s not surprising you’ve got stomachache. _____ ______ you have eaten too much. 5.他们彼此毫无共同点 They have nothing in ________ with one another. 6.随着时间的推移， 和许多青年人一样，他也开始喜欢上流行音乐。