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八年级下册英语课件-Unit 4 The Internet Connects Us Lesson 21 Books or Computers 课件1 冀教版_图文


printing press

n. 印刷机

machine
modern

n. 机器
n. 现代的

which

pron. 哪一个;指提到的事物

sell

electronic book

modern city

1. Before the printing press, books by hand were written ________ 2.Information began to travel much faster and ____________. much farther

What is a printing press? The printing press is a machine. It can make lots of books in a short time. How were books made before the printing press? Books were written by hand. Which one did more to change the world, printing press or Internet?

Which one did more? 哪一个更重要? which疑问代词哪个,哪一个,哪一些。 eg:Which pen do you like? which的其他用法 1)关系代词,(那个)的,(那些)的,引导一个定语从句 eg:The trees which stand by the river are large and tall. 2)关系代词 那个,那些 He struck the poor dog, which had never done him harm. 3)形容词 哪,哪一个 Which foreign language are you studying?

Before the printing press, somebody write every book by hand with a pen.

by hand手工
That old book was written by hand. I like to eat dumplings made by hand. 【拓展】 by hand还有“用体力”“由专人”等意思。

eg:The letter was delivered by hand.

That old book was written by hand. I shall contact you by telephone. He makes money by writing.

The printing press is a machine that can make lots of books in a short time. 1)machine 机器 washing machine 洗衣机 printing machine(=printing press) 印刷机 2)in a short time在很短的的时间内,in在……以后 “in+时间段”通常用于将来时。 eg:My father will be back from Beijing in a week.

How did books change information? change v.& n. 1) v.改变,变革,改造。change the world改变世界, 2)短语change…into…把……变成……

Information began to travel much faster and much farther. begin to do sth. begin doing sth. 只能用不定式(to do sth)作宾语的三种情况: 1)当主语是物时 The ice begins to melt. 2)当begin在句中是beginning形式时 He was beginning to set off. 3)当begin后面的动词是表示心理活动的词,如: realize(认识到),know,think,understand等时 He began to realize how his parents loved him.

可修饰比较级的词有:much,a lot,a little,a bit,even, still 等。而so, very, too, quite, rather等不能修饰 比较级,只能修饰原级。 If you forgot something, you could look it up. look up (在词典或参考书中)查阅……

look the word up = look up the word look it up look them up

I. 把下列汉语翻译成英 1.印刷机_______ the printing press 2.在网上_____ on the internet 3.考虑、思考_______ think about change the world 4.改变世界_______ 5.回答问题_______ answer a question in a short time 6.在很短的时间之内_________ look up 7.查阅____________ 8.许多信息______ lots of information

II. 用所给词的适当形式填空 1. The machine was ________(make)by Mr Green ten made years ago. 2. There are three________(hundred)workers in the hundred factory. thousands 3. The modern printing press can make________ (thousand)of books a day. 4. I can find lots of_________ information(information)in a few minutes on the Internet. 5. The___________(invent)of the steam engine(蒸 inventors 汽机)changed the world.

Correct the mistakes:

1. Have you ever rode ___ a horse?
2. Have you ever _____ writen an e-mail?

ridden
written

3. It’s always nice hear ___ from Wu Hong!

to hear 4. -- How ____ long do you go home? – Once a week. often 5. What will you do if it will rain tomorrow? _______ rains 6. Sometimes, your screen will show a picture of a _ an envelope or a letter. 7. E-mail lets you send and receive messages around the world in second. _____ seconds 8. When you have finished to read a message, click on ______ “Close”. reading

同义句转换,每空一词

1. I got an e-mail from my uncle.
I __________ received an e-mail from my uncle.

heard ________ from my uncle. I _______
My uncle _______ sent me an e-mail. My uncle _______ sent an e-mail ______ to me. 2. We are tired. We can no more walk. We are tired. We _______ can’t walk __________. anymore We are tired. We ________ can’t walk _______ any _______. more



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