Lesson 24 An E?mail to Grandpa
Unit 4 The Internet Connects Us
Lesson 24 An E?mail to Grandpa
课前自主预习
课堂互动探究
Unit 4 The Internet Connects Us
课前自主预习
单词闯关 1.go online________
2.约个时间 ____________
set up a time
上网
Lesson 24 An E?mail to Grandpa
句型在线 1.你多长时间使用电脑工作、学习或者娱乐一次？
________ ________ do you use your computer for work, study or fun?
2．我已经学会了怎样使用聊天程序。
I have learned________ ________ ________ a chat program.
3．它能指引我想去的任何地方。
It can give me directions to anywhere ____ ____ ____ _____.
How often
how to use
I want to go
Lesson 24 An E?mail to Grandpa
课文初探 判断正(T)误(F)：
( )1.Wang Mei is writing an e?mail on her new laptop.
( )2. Wang Mei wants to set up a time to go online together with Li Ming.
( )3. This week, Wang Mei did a report about Easter.
( )4. It is difficult to find information on the web.
( )5. Wang Mei will download some music for her grandpa.
T
F
T
F
F
Lesson 24 An E?mail to Grandpa
词汇点睛
课堂互动探究
● set up a time 约个时间
[观察] Can we set up a time to go online together?
我们能约个时间一起上网吗？
[探究] set up 意为“建立；安排”；set up a time to do sth.意为“________________”。
约个时间做某事
Lesson 24 An E?mail to Grandpa
活学活用
根据汉语意思完成句子
我想约个时间和吉姆见面。
I want to ________ ________ ________ ________ to meet Jim.
set up a time
Lesson 24 An E?mail to Grandpa
●1 How often do you use your computer for work, study or fun?
你多久使用电脑工作、学习或者娱乐一次？
[探究] how often表示“____________”，用来询问谓语动词所表示的动作发生的________。
句型透视
多久一次
频率
[拓展] how long意为“多长时间；多长”，用来提问时间多久或物体的长度； how far 意为“多远”，用来提问距离；how soon意为“多久”，用来提问“in＋一段时间”。
Lesson 24 An E?mail to Grandpa
活学活用
1．2017·南京—Millie, ________ do you take the course in DIY?
—Every Saturday afternoon.
A. how long
B. how far
C. how much
D. how often
D
【解析】答句表示“频率”，因此用how often提问，表示“多长时间一次”。故选D。
Lesson 24 An E?mail to Grandpa
●2 I have learned how to use a chat program.
我已经学会了怎样使用聊天程序。
[探究]本句中“how to use a chat program”为“疑问词＋_________”结构，在句中作______。疑问词与不定式连用，相当于名词短语，在句中可作主语、宾语、表语或宾语补足语。例如：We had a good discussion about how to stay healthy.我们好好地讨论了一下如何保持健康。
句型透视
动词不定式
宾语
Lesson 24 An E?mail to Grandpa
活学活用
2．—Will you please tell me ________ the problem?
—Yes, of course.
A. what to solve
B. when to solve
C. how to solve
D. whom to solve
C
Lesson 24 An E?mail to Grandpa
课文回顾
An E?mail to Grandpa
Wang Mei is 1.____________ on her new laptop.
She has learned 2.__________ a chat program. She wants to 3.__________ go to online with her grandpa.
She will download some 6.________online for her grandpa.
writing an e?mail
how to use
set up a time
Easter
on the web
e?-books
At school this weekend, she did a report about 4._________ it is quite easy to find the information 5.________.
Lesson 24 An E?mail to Grandpa
Lesson 19 How Do You Use
the Internet?
Unit 4 The Internet Connects Us
Lesson 19 How Do You Use
the Internet?
课前自主预习
课堂互动探究
Unit 4 The Internet Connects Us
课前自主预习
单词闯关 1.技术________
2. desktop____________
3．tablet_____________
4.键盘________
5．invitation________→________(v.)
6．工业；企业；行业________
台式电脑；桌面
technology
平板电脑；牌；碑
keyboard
Lesson 19 How Do You Use the Internet?
邀请 invite
industry
短语
互译 1. coffee industry ____________
2. chat with sb. ____________
3. 超过 ____________
4. 把……发送给…… ____________
咖啡行业
和某人聊天
more than
send…to…
Lesson 19 How Do You Use the Internet?
句型在线 1. 我过去有一台台式电脑……
I ________ ________ ________ a desktop computer…
2. 我喜欢和我的朋友们在网上聊天。
I like ________ ________ my friends online.
?3.如果我今天晚上努力工作，我将完成我的研究。
_____ I work hard this evening, I _____ ________ my research.
4．明天我能开始写我的报告。
Tomorrow I can ________ ________ ________ my report.
used to have
chatting with
If will complete
begin to write
Lesson 19 How Do You Use the Internet?
词汇点睛
课堂互动探究
● 1 use sth. to do sth. 用某物做某事
[观察] I like to use the Internet to read about sports and technology.
我喜欢用互联网看关于体育和技术方面的东西。
[探究] use作动词，后面跟动词________作目的状语，常用结构为use sth. to do sth., 意为“用某物做某事”。
不定式
Lesson 19 How Do You Use the Internet?
活学活用
1．根据汉语意思完成句子
植物利用阳光制造养料。
Plants use the sunlight __________ __________ food.
to make
Lesson 19 How Do You Use the Internet?
●2 chat with sb. 和某人聊天
[观察] I like chatting with my friends online.
我喜欢和我的朋友们在网上聊天。
词汇点睛
[探究] chat 意为“聊天”，其现在分词是________。 chat________ sb. 意为“和某人聊天”，chat about sth. 意为“闲聊某事”。
chatting
with
Lesson 19 How Do You Use the Internet?
活学活用
2．I think ________ with friends is better than________.
A. chat; watching TV
B. chatting; watching TV
C. chatting; watch TV
D. chat; watch TV
B
Lesson 19 How Do You Use the Internet?
● If I work hard this evening，I will complete my research.
如果我今天晚上努力工作，我将完成我的研究。
[探究]本句为含if引导的条件状语从句的复合句。if引导的条件状语从句既可以放在主句________，也可以放在主句________。 在以下3种情况下，if引导的条件状语从句用____________(时态)代替一般将来时。
(1)当主句用一般将来时态时；
句型透视
之前
之后
一般现在时
Lesson 19 How Do You Use the Internet?
[探究] (2)当主句中含有情态动词时；
(3)当主句为祈使句时。例如：
If it's fine tomorrow, they'll climb the hill.
如果明天天气好的话，他们将去爬山。
You should eat less and exercise more if you want to be thinner.
如果你想变得更瘦，你应该少吃多锻炼。
Please call him if you get there.如果你到了那儿，请给他打电话。
Lesson 19 How Do You Use the Internet?
活学活用
If there ________ no buying and selling of animals, there ________ no killing in nature.
A. is; will be
B. will be; will be
C. is; is
D. will be; is
A
Lesson 19 How Do You Use the Internet?
Lesson 20 A Computer Helps!
Unit 4 The Internet Connects Us
Lesson 20 A Computer Helps!
课前自主预习
课堂互动探究
Unit 4 The Internet Connects Us
单词闯关 1.laptop________
2. Easter ________
3．输入；进入________
4．钥匙________→________(复数)
复活节
笔记本电脑
enter
Lesson 20 A Computer Helps!
key keys
课前自主预习
单词闯关 5.搜索；查找________
6．topic________
7．依靠；取决于________
8．隐藏；躲避________→________(过去式)
话题
search
depend
hide hid
Lesson 20 A Computer Helps!
短语
互译 1. on the Internet ____________
2. depend on ____________
3. Easter Bunny ____________
4. 搜索引擎 ____________
5. 用这种方式 ____________
在因特网上
取决于
复活节兔子
search engine
in this way
Lesson 20 A Computer Helps!
句型在线 1. 我决定在因特网上做我所有的调查。
I ________ ________ ________ all of my research on the Internet.
2. 在许多国家，它是重大的节日之一。
It's ________ ________ the biggest ________ in many countries.
3.兔子和彩蛋是新生活的象征。
Rabbits and eggs are ________ ________ new life.
decided to do
one of holidays
symbols of
Lesson 20 A Computer Helps!
词汇点睛
课堂互动探究
● 1 search n. &v. 搜索；查找
[观察] Do you often search for information on the Internet?
你经常在网上搜集信息吗？
The police searched for clues in the area.警察在这个地区查找线索。
Lesson 20 A Computer Helps!
[探究] search后接地点时，表示对某处进行搜查；其后接人时，指“搜身”。常用结构：search＋地点＋for sb./sth., 意为“在某地搜索某人/某物”；search for表示“______________”，指竭力想找到某人或某物。
寻找，搜寻，搜索
Lesson 20 A Computer Helps!
活学活用
1．What are you busy________ the Internet?
A. searching
B. to search for
C. searching for
D. searching for on
D
Lesson 20 A Computer Helps!
●2 depend v. 依靠；取决于
[观察] The date depends on the moon…
日期取决于月亮……
Whether we can finish the task on time or not depends on the weather.
是否能按时完成这项任务取决于天气。
词汇点睛
Lesson 20 A Computer Helps!
[探究] depend常与介词________搭配，意为“依靠；依赖；取决于；随……而定”。例如：
You can't depend on your parents forever.
你不能永远依靠你的父母。
You can't depend on them to do it.你不能指望他们做这件事。
on
Lesson 20 A Computer Helps!
活学活用
2．2017·遵义You'd better try to guess the meaning when you meet a
new word. Don't always ________ your dictionary.
A．keep on
B．depend on
C．decide on
B
【解析】考查动词短语辨析。keep on意为“继续”；depend on意为“依靠”；decide on意为“决定”。句意：当你遇到生词时，你最好尽力猜它的意思，不要总是________你的词典。故选B。
Lesson 20 A Computer Helps!
●3 enter v. 输入；进入
[观察] I entered some key words into a search engine to find information on this topic. 我在搜索引擎里输入了一些关键词来寻找和这个话题有关的信息。
I saw him enter the kitchen just now.刚才我看见他进了厨房。
词汇点睛
[探究] enter为及物动词，意为“输入；进入”。enter意为“________”时，相当于go into或come into，所以enter________(能/不能)与介词into连用。
进入
不能
Lesson 20 A Computer Helps!
活学活用
3.根据汉语意思完成句子
请在这里输入你的名字。
Please ________ your name here.
enter
Lesson 20 A Computer Helps!
●1 It's one of the biggest holidays in many countries.
在许多国家，它是重大的节日之一。
[探究] “one of＋the＋形容词的________ (比较级/最高级)＋可数名词________(单数/复数)”结构，表示“最……的……之一”，形容词后面的名词一定要用复数形式。
句型透视
最高级
复数
Lesson 20 A Computer Helps!
活学活用
1．2017·北京 The hotel is very old. It's one of________ buildings in
the city.
A. old B. older
C. oldest D. the oldest
D
Lesson 20 A Computer Helps!
●2 Though the meaning of Easter has changed over time, the rabbits and eggs remain.
虽然随着时间的流逝复活节的意义已经改变了，但是兔子和彩蛋仍然存在。
[探究] though表示“虽然，尽管”，引导让步状语从句，和although通常可以互换，后者较为正式，两者均________(能/不能)与but 连用，但可以和yet或still连用。
句型透视
不能
Lesson 20 A Computer Helps!
活学活用
2．2017·泰州 —What do you think of my article, Mr. Andrew?
—Er…， it is wonderful________ there are some spelling mistakes.
A. since B. though
C. if D. while
B
【解析】考查连词词义辨析。由上文“很棒”和下文的“拼写错误”可知，应由though引导让步状语从句。故选B。
Lesson 20 A Computer Helps!
Lesson 21 Books or Computers?
Unit 4 The Internet Connects Us
Lesson 21 Books or Computers?
课前自主预习
课堂互动探究
Unit 4 The Internet Connects Us
单词闯关 1.press____________
2．出现；呈现；来到________→________(反义词)
3．现代的；新式的________→________(反义词)
4.电子的________
5．卖；出售________→________(过去式)
appear disappear
印刷机；新闻界
modern ancient
Lesson 21 Books or Computers?
electronic
课前自主预习
sell sold
短语
互译 1. printing press ____________
2. keep on ____________
3. 传递；前进 ____________
4. 用手；手工 ____________
5. 写下____________
6. 成千上万的____________
印刷机
继续
pass on
by hand
write down
thousands of
Lesson 21 Books or Computers?
句型在线 1.后来，人们学会了如何写字和造纸。
Later, people learned ________ ________ write and make paper.
2. 仅写一本书就要花费很长的时间！
It ________ a long time ________ ________ just one book!
3. 对于普通人来说，读书也变得可能。
It was also ________ ________ common________ _______ books.
how to
took to write
possible for to read
Lesson 21 Books or Computers?
句型在线 4．信息传播得更快、更远了。
Information travels ________ _______ _________．
5. 不管你有什么，一台电脑、一部平板、一台笔记本电脑、一个电子阅读器或一本真正的书，坚持读书！
________ ________ what you have, a computer, a tablet, a laptop, an e?-reader or a real book, keep on _______
faster and farther
No matter
reading
Lesson 21 Books or Computers?
词汇点睛
课堂互动探究
● 1 pass on 传递
[观察] In ancient times, there were no books, and people passed on their knowledge by telling stories.
在古代，没有书，人们通过讲故事传递他们的知识。
Would you please pass on the message to Bruce?
请你给布鲁斯捎个口信好吗？
Lesson 21 Books or Computers?
[探究] pass on意为“传递”，与pass意思接近。pass on sth. ________ sb. 意为“把某物递给某人”。
to
Lesson 21 Books or Computers?
活学活用
1．根据汉语意思完成句子
你能把那本书递给我吗？
Can you ________ ________ that book ________ me?
pass on to
Lesson 21 Books or Computers?
●2 keep on 继续
[观察] No matter what you have, a computer, a tablet, a laptop, an
e-?reader or a real book, keep on reading!
不管你有什么，一台电脑、一部平板、一台笔记本电脑、一个电子阅读器或一本真正的书，坚持读书！
词汇点睛
[探究] keep on 意为“继续”，后接动词时，需用________，表示经过一段时间的间歇后“继续做同一件事”。
动名词
Lesson 21 Books or Computers?
[拓展] keep sb. doing sth.意为“让某人一直做某事”；keep sb. from doing sth.意为“阻止某人做某事”；keep doing sth.表示“继续(不断)做某事”，指无停顿或停顿较短。
Lesson 21 Books or Computers?
活学活用
2．I believe your dream will come true one day if you keep on
_______ hard from now on.
A. work B. to work
C. working D. works
C
Lesson 21 Books or Computers?
● It took a long time to write just one book!
仅写一本书就要花费很长的时间！
[探究] “It takes/took some time to do sth.”为固定句型，意为“花费……(时间)做某事”，________是形式主语， 真正的主语是后面的动词________，此句型常指“花费时间”，一般不用来指“花费金钱”。
句型透视
it
不定式
Lesson 21 Books or Computers?
[拓展]常用的表示“花费”的句型：
(1)sb.＋spends＋money/time＋on sth./(in) doing sth.
(2)sb.＋pays＋money＋for sth.
(3)sth.＋costs＋sb.＋money
(4)It takes sb.＋time＋to do sth.
Lesson 21 Books or Computers?
活学活用
2017·济宁That one mistake almost ________ him his life.
A．took B．paid
C．cost D．spent
C
【解析】这四个词均可表示“花费”，但用法不同：take的主语通常是it, 常用于“It takes sb. ＋时间/钱 ＋ to do sth.”句型；pay的主语通常是人，一般和介词for搭配；cost的主语往往是物或某种活动；spend的主语通常是人，常用于句型“sb.＋spends＋时间/钱＋(in)doing sth./on sth.”。句子的主语“That one mistake”为物，故选C。
Lesson 21 Books or Computers?
Lesson 22 Travel on the Internet
Unit 4 The Internet Connects Us
Lesson 22 Travel on the Internet
课前自主预习
课堂互动探究
Unit 4 The Internet Connects Us
课前自主预习
单词闯关 1.收到；接到________
2.cancer______
3.blessing_____________
4.pyramid________
5.Egypt________
癌症
receive
祝福；保佑；赞美
金字塔
Lesson 22 Travel on the Internet
埃及
短语
互译 1. grow up ____________
2. in front of… ____________
3. 实现 ____________
4. 既不……也不…… ____________
长大
在……前面
come true
neither…nor…
Lesson 22 Travel on the Internet
句型在线 1. 她的祖母得了一种严重的癌症。
Her grandma had ________ terrible ________ ________ cancer.
2．简的祖母曾有一个周游全世界的梦想。
Jane's grandma once had________ ________ ________ travelling around the world.
a type of
a dream of
Lesson 22 Travel on the Internet
句型在线 3. 她问人们是否他们能够通过照片帮助她的祖母看世界。
She asked people ________ they could ________ her grandma ________ the world through pictures.
4．当简把这些照片给祖母看时，她很惊讶。
Grandma ________ very ________ when Jane ________ her the pictures.
if help
see
was surprised showed
Lesson 22 Travel on the Internet
词汇点睛
课堂互动探究
● receive v. 收到；接到
[观察] One day, Jane received some bad news.
一天，简收到了一些坏消息。
Many countries use their satellites to send and receive messages.许多国家利用他们的卫星收发信息。
I received an e?mail from my friend yesterday.
昨天我收到了朋友的一封电子邮件。
Lesson 22 Travel on the Internet
[探究] receive作动词，意为“收到；接到”，常用短语为receive sth.________sb.，表示“从某人那里收到某物”。其同义词为get, 反义词为send(发送)或give(给予)。例如：
Giving is better than receiving.给予比接收要好。
from
[辨析] receive与accept
I received his invitation, but I didn’t accept it. 我收到了他的请帖，但我没有接受。
Lesson 22 Travel on the Internet
活学活用
I ________ a gift yesterday, but I didn't ________ it.
A. received; accept
B. received; receive
C. accepted; receive
D. accepted; accept
A
Lesson 22 Travel on the Internet
● She asked people if they could help her grandma see the world through pictures.
她问人们是否他们能够通过照片帮助她的祖母看世界。
[探究] if在本句中译为“________”，引导________从句。此时if相当于whether。但whether可与or not连用，而if不能。例如：
句型透视
是否
宾语
Lesson 22 Travel on the Internet
[探究] I don't know if he is well.＝I don't know whether he is well.
我不知道他是否安好。
Let me know whether you can come or not.让我知道你是否能来。
[拓展] if还可译为“如果”，此时引导条件状语从句。
Lesson 22 Travel on the Internet
活学活用
2017·德州—Excuse me, I wonder________．
—Yes, it's near the bookstore.
A. where we will go for the holiday
B. if there is a lost and found office
C. when she will give me a call
D. how we can go to Hong Kong
B
Lesson 22 Travel on the Internet
Lesson 23 The Internet—Good or Bad？
Unit 4 The Internet Connects Us
Lesson 23 The Internet—Good or Bad？
课前自主预习
课堂互动探究
Unit 4 The Internet Connects Us
单词闯关 1.优势；有利条件；有利因素________→_________(反义词)
2.简单的；简明的________→________(近义词)
3.硬币________
4.造成；引起________
5.更少的(地)；更小的(地) →________→________ (原级)
simple easy
advantage disadvantage
coin
Lesson 23 The Internet—Good or Bad？
cause
课前自主预习
less little
单词闯关 6.aside_______________
7.attack________
8.web ________
9.偷盗；窃取________→________(过去式)
10. banking________
11.properly________→________(adj.)
袭击；损害
除……之外；在旁边
网络；网
steal stole
银行业
正确地 proper
Lesson 23 The Internet—Good or Bad？
短语
互译 in seconds____________
2. far away ____________
3. aside from ____________
4. open up ____________
5. 能够 ____________
6. 占用 ___________
7. 保持联系 ____________
8. 担心…… ____________
在很短的时间内
遥远
除此之外
打开
be able to
take up
stay in touch
be worried about
Lesson 23 The Internet—Good or Bad？
句型在线 1.在许多方面，它(互联网)使生活变得更容易、更简单。
_______ many ________ it ________ life ________ and _______.
2. 它(互联网)帮助我们更迅速地做事。
It helps us ________ things done ________ ________.
3. 花费太多的时间上网对人们的健康有害。
________ ________ ________ time online ________ harmful to people's health.
In ways makes easier simpler
get more quickly
Spending too much is
Lesson 23 The Internet—Good or Bad？
句型在线 4.这甚至可能会导致他们与家人和朋友的交往更少。
It may ________ ________ them to be ________ ________ ________ family and friends.
even cause less
social
with
Lesson 23 The Internet—Good or Bad？
词汇点睛
课堂互动探究
● 1 cause v. 造成；引起
[观察] It may even cause them to be less social with family and friends.
这甚至可能会导致他们与家人和朋友的交往更少。
Pouring dirty water into the lake will cause pollution.
把脏水倒进湖里会造成污染。
Lesson 23 The Internet—Good or Bad？
[探究] cause作动词，意为“造成；引起”，后接________词或代词作宾语。常用结构为cause sth.，意为“造成/引起某事”；也可接双宾语，即 cause sb.sth.＝cause sth.for sb.，意为“给某人造成某事”。
名
Lesson 23 The Internet—Good or Bad？
活学活用
1．根据汉语意思完成句子
(1)我怕给他们带来麻烦。
I'm afraid of ________ them trouble.
(2)他们知道什么引起的这场火灾吗？
Do they know what ________ ________ ________？
causing
caused the fire
Lesson 23 The Internet—Good or Bad？
●2 less adj. &adv. 更少的(地)；更小的(地) n. 较少量； 较小的部分
[观察] You'd better eat less food and take more exercise.
你最好少吃多锻炼。
We have less to worry about now.现在我们要担忧的事少一些了。
词汇点睛
[探究] less作形容词时，是形容词little的比较级，修饰________(可数/不可数)名词。less作副词时，用于修饰动词。其反义词是more。
不可数
Lesson 23 The Internet—Good or Bad？
[拓展] (1)与less相关的短语：
no less than不少于 more or less 或多或少
(2)few与little为同义词， few修饰可数名词复数，其比较级及最高级形式分别为fewer和fewest。few的比较级及最高级形式的反义词分别是more和most。
Lesson 23 The Internet—Good or Bad？
活学活用
2．根据汉语意思完成句子
(1)污染比以前少了。
There's ________ ________ than before.
(2)我的书比你的少。
I have ________ ________ than you.
less pollution
fewer books
Lesson 23 The Internet—Good or Bad？
●1 People are able to connect and share information in seconds.
人们可以在很短的时间内联系并分享信息。
[探究] (1)be able to意为“能，能够”，强调通过努力而获得某种能力，________(能/不能)用于多种时态。例如：
The boy was able to speak at age 1.这个男孩一岁时就会说话。
(2)in seconds意为“在很短的时间内”，second此处用作名词，意为“片刻”。例如：
句型透视
能
Lesson 23 The Internet—Good or Bad？
[探究] You will receive my e?mail in seconds.你很快就能收到我的电子邮件。
[拓展] can也表示“能，能够”，强调自身已具备的能力，用于一般现在时。用于一般过去时，需变成could。
Lesson 23 The Internet—Good or Bad？
活学活用
1．根据汉语意思完成句子
(1)下个月我就会游泳了。
I will ________ ________ ________ swim next month.
(2)你在很短的时间内就可以收到我的信息。
You can receive my message ________ ________.
be able to
in seconds
Lesson 23 The Internet—Good or Bad？
●Spending too much time online is harmful to people's health.
花费太多的时间上网对人们的健康有害。
[探究] (1)“Spending too much time online”是动名词短语作主语，谓语动词用________(单数/复数)形式。
(2)too much意为“太多”，修饰不可数名词或行为动词，表示程度。
(3)be harmful to…意为“对……有害”。
句型透视
单数
Lesson 23 The Internet—Good or Bad？
活学活用
2．(1)A little wine will not be ________ to your health. Just don't drink too much.
A．helpful B．helpless
C．harmful D．harmless
(2)________ honest is the first thing that people should learn.
A．Being B．Look
C．Be D．Become
C
A
Lesson 23 The Internet—Good or Bad？
