英语必修二Unit3Computers-listeningandreading介绍.ppt

1940s The first family of computers was connected to each other. 1970s now Computers had grown as large as a room. 1960s Computers were used in offices and homes. Computers connect people all over the world together. From the above form, we can know that the text is written in an order of _________. time True or False Alan Turing built an Analytical Machine to solve any mathematical problems. People began to realize that the computer got cleverer and quicker with time passing. The computer began to serve the human race since it was brought into people’s homes. Since the 1960s, the computer was used by people around the world through the Internet. 5. The larger the computer is, the more memory it has. F T F T F a universal machine its birth I became small and thin but I got cleverer and cleverer, quicker and quicker. And my memory became so large that I couldn’t believe it! 1. In pairs discuss what they have in common. have something/a lot/much/little/nothing + in common （with sb）和…有/没有共同点 in common with sb 像…一样 in common 共有的,公用的 common knowledge 人所共知的事实 common sense 常识 common practice 惯例 Language points 1. You know, Mary, you and I ________________________(有一个共同点) have one thing in common 2. Although they are twin brothers, they have nothing ____with each other except that they look alike. in the end B. in all C. in fact D. in common Compare common 指全体所共有的，共同的特征，强调常见与普遍。 ordinary 指种类普通，强调平淡、平庸、普通的意义。 usual 指通常的，寻常的；惯常的。强调“平时的”。 1) This is a __________mistake made by students. (2) He turned up at the meeting late as _________. (3) Why are you so impressed with this film？According to me, its just _________. common usual ordinary 2. compare 1．vt. 比较；对照。如： Compare your answers with those at the back of the book to see if they are right. 把你的答案同书后面的答案对照一下，看看是否正确。 My handwriting can not be compared with my father’s. 我的书法不能与我父亲的相比。 If you compare the two books, you will see that this one is better. 如果你比较一下这两本书，你会发现这一本好一些。