最新英语必修二U3基础词汇、重难点讲解、拓展提升(含答案)教学内容

必修二. Unit 3: Computers

基础知能回扣

一.核心词汇

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 Don't judge by __________ can be misleading. (appear)

7) He promised to be here at four o'clock but didn't _________ 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 unti l 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.