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(共37张PPT)
Unit4 The Internet Connects Us
Lesson 21
Books or Computers
同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！
词汇听写
课文导入
Have you ever read e-books
What do you think of them
课文呈现
THINK ABOUT IT
How many books have you read this year
Do you read e -books？Do you like them
The history of books is very interesting. In ancient times，there were no books，and people passed on their knowledge by telling stories. ① Later，people learned how to write and make paper. ② With paper，people began to write down their stories. They wrote each word by hand. ③ It took a long time to write just one book！ ④
温馨提示：此符号表示“考点精讲点拨”链接。
课文呈现
Then, the printing press appeared and changed the world . ⑤ With modern technology, it was possible to print books quickly. ⑥ It was also possible for common people to read books .
This is a modern printing
press . It can make
thousands of books a day .
课文呈现
Recently，computers and the Internet changed the world again. A new kind of book appeared： the electronic book(e- book)．⑦ E-books are quickly changing people’s reading habits . It is easier for people to buy and sell books online. ⑧ Information travels faster and farther.
Which invention do you think is more important —the printing press or the Internet
课文呈现
Nowadays，people have many ways to read books . No matter what you have，a computer，a tablet，a laptop，an e-reader or a real book，keep on reading！ ⑨
Culture Tip
　 Did you know that China was the first to invent paper？Paper was invented during the Han Dynasty. Paper is
one of the four great inventions of ancient
China. The other three inventions are the
compass，printing press and gunpowder.
课文呈现
Read the lesson and answer the questions .
1．How did people write books in ancient times
2．What made it possible to print books quickly
3．What kind of books quickly changed people’s reading habits
They wrote each word by hand.
Modern technology.
The electronic book (e-book)．
课文呈现
2) Read the lesson and put the sentences in the correct order .
The History of the Book
□It took a long time to write just one book .
□It made it possible for common people to read books .
□The e-book appeared .
□People had no books, and they shared knowledge by telling stories .
□The printing press appeared .
□People download books from the Internet .
□With paper，people began to write down stories .
3
5
6
1
4
7
2
课文呈现
3) Fill in the blanks . The first letter is given .
Paper　
With paper，people began to write down their stories . People wrote each word by hand . It took a long time to write one book . _____________ couldn’t travel far .
Printing press　
When the printing press __________，it changed the world . The ________ printing press can print books quickly，and makes it possible for the _________ person to have easy access to books .
Information
appeared
modern
common
课文呈现
Internet　
Computers and the Internet changed the world . They made it possible for a new kind of book: the ___________book . Traditionally books could only be bought and sold at a store，but today you can buy and _______ books online .
electronic
sell
课文呈现
4) Do you like reading paper books or electronic books (e- books)？Why？Talk with your partner and make up a dialogue .
eg：A：Do you like ebooks
B：Yes.I like them very much.
A：Why
B：Because it is very easy for people to buy and
sell books online.
考点精讲
①In ancient times, there were no books, and people passed on their knowledge by telling stories.
no adj. 没有，无
【句法分析】“no+ 可数名词复数/ 不可数名词”相当于“not any+ 可数名词复数/ 不可数名词”；“no+ 可数名词单数”相当于“not a/an+ 可数名词单数”。
考点1
考点精讲
e.g. There is no water in the glass.
=There isn’t any water in the glass.
玻璃杯里没有水。
I have no plan for the weekend.
=I don’t have a plan for the weekend.
我周末没有计划。
no+不可数名词
no+可数名词单数
考点精讲
【特别提醒】当“no+ 名词”作主语时，谓语动词的单复数要与no 后面的名词保持一致。
e.g. No news is good news. 没消息就是好消息。
No words are able to express my feelings.
我的感情是无法用言语表达的。
中考在线1：公共场所禁止吸烟。 [武威]
__________ __________ in public areas.
No smoking
考点精讲
pass on 传递；前进
e.g. Can you pass on the newspaper to my sister
你能把报纸递给我的姐姐吗？
考点2
含pass 的短语
pass on 传递 pass the exam 考试及格
pass away 去世 pass by 通过，经过
pass on...to... 把……传递/ 转告给……
pass on sth. to sb.(= pass sth. on to sb.)
考点精讲
拓展：pass 意为“传递”, 后可接双宾语。
e.g. Pass me the salt, please.= Pass the salt to me, please.
请把盐递给我。
小贴士：如果pass后的直接宾语为代词,只能用pass sth. to sb. 结构。
pass sb. sth.( ＝ pass sth. to sb.) 把某物传递给某人
考点精讲
① pass 动词：通过；走过；传递 I pass the supermarket on the way to work every day.
每天上班的路上, 我都路过那家超市。
We all passed the exam.
我们都通过了考试。
② past 介词：在另一边；到另一侧 He hurried past them without stopping.
他匆匆走过他们身边, 连停都没停。
辨析：pass 与past
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考点精讲
②Later, people learned how to write and make paper.
how to write 怎样书写
在此结构中，疑问词可用疑问代词 who、which、what 等和疑问副词when、where、how 等。
e.g. I want to know how to improve my spoken English.
我想知道怎样提高我的英语口语。
考点3
特殊疑问词+动词不定式
考点精讲
中考在线2：The teachers are still talking about where they will hold the concert. （改为简单句）
The teachers are still talking about ______ ______ hold the concert.
【点拨】上下文主语一致时，“特殊疑问词+to do”结构可以代替宾语从句。
where to
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考点精讲
③ They wrote each word by hand.
by hand 用手工
by hand 意为“用手；靠手做；手工”，表示方式，注意词组中名词前不用冠词。
e.g. According to the symbol on the label, this sweater should be washed by hand.
根据标签上的符号，这件毛衣应该手洗。
考点4
考点精讲
拓展：by hand 还表示“亲手；亲自”。in hand 意为“在手头；在进行中；在控制中”。
e.g. He brought up the child by hand.
那孩子是他亲手带大的。
He has got the horse well in hand.
他把马控制得很好。
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考点精讲
④ It took a long time to write just one book!
[高频] take /te k/ v. 费时；需要……时间
e.g. It takes me half an hour to go to school every day.
我每天花半个小时去学校。
考点5
① cost 物＋ cost(适当形式)＋人＋金钱 The ticket costs me ten dollars.
这张票花了我十美元。
辨析：cost, spend, take与pay
考点精讲
② spend 人＋spend(适当形式)＋时间/金钱＋ on ＋名词/ 代词 I spent all my pocket money on books. 我所有的零花钱都花在书上了。
③ take It ＋ takes/took ＋人＋时间＋to do It took me an hour to walk there. 我花了一小时走到那里。
④ pay 人＋ pay( 适当形式) ＋金钱＋ for ＋物 He paid 5 dollars for that book. 他花了5 美元买那本书。
考点精讲
中考在线3：It _______ Zhang Guimei many years to help about 1, 800 girl students in poor areas realize their college dreams. [龙东]
A. took B. spent C. cost
【点拨】采用固定结构法。句意为“张桂梅多年来在贫困地区帮助了大约1800 名女生实现了她们的大学梦”。句式结构为“It takes sb. some time to do sth.”。
A
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考点精讲
⑤ Then, the printing press appeared and changed the world.
appear / 'p / v. 出现；呈现；来到
e.g. The sun appeared on the horizon.
太阳露出了地平线。
His sudden appearance surprised me.
他的突然出现使我感到惊讶。
考点6
appearance n . 出现；公开露面
反义词disappear vi. 消失
考点精讲
中考在线4：—Recently, school violence ______ in some schools.
—Luckily, our government has carried out some policies to stop it. [恩施]
A. has appeared B. appeared C. will appear
【点拨】考查句子时态。“目前，一些学校出现了校园暴力行为。”后文说“幸好政府已经实施一些政策来阻止这种情况”。符合现在完成时态的用法，强调过去发生的动作对现在产生的影响或结果。且recently 是一个完成时态的信号词。
A
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考点精讲
⑥ With modern technology, it was possible to print books quickly.
modern /'m dn/ adj. 现代的；新式的
e.g. Do you like modern music or classical music
你喜欢现代音乐还是古典音乐
考点7
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考点精讲
⑦ A new kind of book appeared: the electronic book(e-book).
electronic / lek tr n k/ adj. 电子的
e.g. I have an electronic dictionary.
我有一部电子词典。
考点8
electric 名词形式为electricity(电，电力)。
返回
考点精讲
⑧ It is easier for people to buy and sell books online.
sell /sel/ v. 卖；出售(sold/sold)
e.g. I want to sell the car. 我想卖掉这辆小汽车。
He sold the old car to me for 500 yuan.=
He sold me the old car for 500 yuan.
他以五百元的价钱把那辆旧的小汽车卖给了我。
考点9
sell sb. sth.=sell sth. to sb. 把某物卖给某人
考点精讲
Mo Yan’s works sell well. 莫言的作品很畅销。
Tickets for the concert are sold out.音乐会的票卖完了。
sell 的常用短语：
sell well 卖得好；畅销(不用于被动句)
sell out/be sold out 售完
考点精讲
中考在线5：This kind of T-shirt looks ______ and sells ______ in the market. [安顺]
A. nice; good B. well; well
C. nice; well D. good; nice
【点拨】用语法判定法。look 感官动词, 后接形容词。sell well 畅销。
C
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考点精讲
⑨No matter what you have, a computer, a tablet, a laptop, an e-reader or a real book, keep on reading!
no matter what 无论什么
e.g. Don’t trust him, no matter what he says.
无论他说什么, 都别相信他。
考点10
no matter how = however(不管怎样)
no matter who = whoever(无论谁)
相当于whatever, 引导让步状语从句。
考点精讲
No matter where you go, you can find friends.
无论你去哪里, 你都可以找到朋友。
I told him he could come back no matter when he wanted to.
我告诉他不管什么时候他想回来都可以。
no matter where = wherever(在任何地方)
no matter when = whenever(无论何时)
中考在线6：无论你做什么，你都必须遵守规则。 [ 营口]
______________________________________________
Whatever you do, you must follow/ obey the rules.
考点精讲
[高频] keep on doing sth. 继续做某事； 坚持做某事
e.g. He kept on ringing me up, but I didn’t want to keep in touch with him anymore.
他不断地给我打电话, 但我不想再和他保持联系了。
He kept talking until the meeting was over.
他一直在说话, 直到会议结束。
考点11
keep on doing sth. 表示动作的反复, 强调动作与动作之间有间隔。
keep doing sth.表示“一直做某事”, 强调动作的连续性。
考点精讲
中考在线7：Mr. Black, you are becoming healthier and healthier. Please keep on _______. [内江]
A. ran B. to run C. runs D. running
【点拨】句意为“布莱克先生，你正变得越来越健康。请坚持跑步”。根据keep on doing sth. 得出答案。
D
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课堂小结
本节课我们主要学习了以下重点内容：
重点单词：appear
重点短语：keep on doing sth.
重点句式：“疑问词+动词不定式”
It takes/ took some time to do sth .

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