(共56张PPT及音频)
Unit4 The Internet Connects Us
课文呈现
Building Your Vocabulary
Ⅰ. Fill in the blanks with the words from this unit. The first letter is given.
1. He is familiar with the computer. He can type without looking at the k .
2. The child h himself in the closet when he heard his parents come in.
eyboard
id
课文呈现
3. After some awful rainy days, the sun finally a .
4. Because of excellent engineers, our country's electronic
i has developed a lot.
5. She wrote many letters to her old friend but didn't r a reply.
ppears
ndustry
eceive
课文呈现
Ⅱ. Fill in the blanks with the phrases in the box.
1. Please_____________ your names on each page of the paper.
2. I don't want to_____________ my parents for food and clothing.
3. She used to____________ to go out alone at night.
4. I think these tables __________ too much room.
5. How long will it take to__________ that new machine
write down
be afraid
depend on
set up depend on write down be afraid take up
take up
set up
课文呈现
Rewrite the sentences using “if”．
Example：
You know how to chat online. You can make friends with people from every corner of the world.
If you know how to chat online, you can make friends with people from every corner of the world.
Grammar in Use
课文呈现
1. You know how to use the computer. You can write your report on the computer.
_________________________________________________
_________________________________________________
2. You know another program. You can edit your passage more easily than before.
_______________________________________________
_______________________________________________
If you know how to use the computer, you can write your report on the computer.
If you know another program, you can edit your passage more easily than before.
课文呈现
3. You are careful on the Internet. It will make your life richer and easier.
_______________________________________________________________________________________________
4. You spend too much time online. It will hurt your family and friendships.
________________________________________________________________________________________________
If you are careful on the Internet, it will make your life richer and easier.
If you spend too much time online, it will hurt your family and friendships.
课文呈现
Listening and Speaking
Ⅰ. Listen and repeat.
1. I often read English storybooks, magazines and newspapers.
2. Could you speak more loudly
3. With a good education, you can make a difference.
4. They used to be very active together.
课文呈现
Ⅱ. Listen to the passage and write true (T) or false (F)．
1. I was hit by a car when I was five. ( )
2. I can't walk but I can play basketball with my friends. ( )
3. Now I spend a lot of time reading every day. ( )
F
F
T
听力材料
I am a fifteen-year-old boy. At the age of seven, a car hit me when I was walking in the street. I was saved but I could not walk from then on. I couldn’t go to school and I couldn’t play basketball with my friends. I had nothing to do every day. I didn’t talk to anyone and nobody saw me smile.
But one day, I found a book in my father’s bookcase. It interested me. There were many interesting stories in this book. I liked them very much.
听力材料
I wanted to read more books. I spent all my free time reading. I was always lost in the books and I learned a lot of knowledge from the books. Because of reading, I am happy every day.
But there is still one problem. I have almost finished reading all the books in my home and I don’t have enough money to buy new ones. What should I do
课文呈现
Ⅲ. Group activity—a debate!
Everything has two sides—a good one and a bad one. Create a debate in your group.
Step 1：Choose a topic(Of course, your topic must have two sides).
Step 2：Divide the students in your group into two teams.
Step 3：The leader of each team chooses one side of the topic.
Step 4：All of the members in each group search for more information to support their side of the topic and prepare a good argument.
课文呈现
Read the passage and write true (T) or false (F)．
Computers Are Useful Tools
Computers are fast and seldom make mistakes. They can do many everyday jobs quickly and easily. They are widely used in factories, hospitals and banks.
People, such as scientists, writers, teachers and students, use computers to do all kinds of work. But years ago, computers couldn't do what they do today. They were very big and expensive.
Putting It All Together
课文呈现
Very few people were interested in them or knew how to use them. Today's computers are smaller, cheaper and much easier to use. People use them at home, at work and even when they travel.
Computers and the Internet have changed the way we communicate and allow us to connect in ways we didn't think were possible in the past.
1. Computers can't do everyday jobs.( )
2. Only factories, hospitals and banks use computers.( )
3. Years ago, few people were interested in computers.( )
4. Today's computers are smaller, cheaper and much easier to use.( )
F
F
T
T
课文呈现
Find more examples from this unit. Then mark your stars.
Ⅰ. Talking about the Internet
How do you use the Internet
__________________________________________________
__________________________________________________
I can talk about the Internet and use it freely.
☆ ☆ ☆ ☆ ☆
Self-Evaluation
I like chatting with my friends online.
I like doing research for my homework on the Internet.
课文呈现
Ⅱ. Adverbial Clause with “if”
If I work hard this evening, I will complete my research.
________________________________________________________________________________________________________
I can use adverbial clauses with “if” properly.
☆ ☆ ☆ ☆ ☆
If I want to improve my spoken English, I'll go to “Language”．
If you don't stop him, he will play games the whole day.
课文呈现
Everybody! Hear this!
Here's a lesson you won't want to miss!
Connect yourself to the Internet.
Your computer is the tool.
Type in where you want to go,
Even talk to another school!
Everybody！Hear This!
课文呈现
Everybody! Hear this!
Here's a lesson you won't want to miss!
Type the words you want to say.
Press “send” and you will see.
In a minute or two you may receive
An answer on the screen.
课文呈现
Everybody! Hear this!
Here's a lesson you won't want to miss!
Distance does not matter
When you search the Internet.
You can search around the world
For information you won't forget!
单元语法沙龙
if 引导的条件状语从句
if 作从属连词, 意为“如果”, 用来引导条件状语从句, 表示主句动作发生的条件。if 引导的条件状语从句可放在主句之前, 也可放在主句之后。但当if 引导的条件状语从句放在主句之前时, 常用逗号与主句隔开。
e.g. You will be late if you don’t hurry up.=
If you don’t hurry up, you will be late.
如果你不快点, 你就会迟到。
考向一
单元语法沙龙
[易错点] 在含有if 引导的条件状语从句的复合句中, 如果主句用一般将来时, 从句应用一般现在时表将来。
e.g. We will go to the farm if you are free this afternoon.
如果今天下午你有空，我们就去农场。
考向二
中考在线1：—Labor(劳动)education is important for students’ development.
—Yes. ______ schools put it into practice, students will be more independent and helpful. [成都]
A. While B. Unless C. If
【点拨】“学校把劳动教育付诸实践”是“学生更独立、更乐于助人”的条件。while 当……时候；unless 除非，如果不；if 如果。
C
单元语法沙龙
单元语法沙龙
在含有if 引导的条件状语从句的复合句中, 如果主句是祈使句, 从句也要用一般现在时。
e.g. Let’s go shopping if you are not busy.
如果你不忙的话, 咱们去购物吧。
考向三
单元语法沙龙
在含有if 引导的条件状语从句的复合句中, 如果主句含有情态动词, 如can, may, must 等, 从句也要用一般现在时。
e.g. You can stay here for the weekend if you like.
如果你愿意, 你可以留在这里过周末。
考向四
速记小法
if 条件句：主将从现，主祈从现, 主情从现。
拓展：（1） if 还可以引导宾语从句, 意为“是否”。
中考在线2：—What did Lily say to you just now, Emma
—She wanted to know ______. [ 黄冈]
A. what will I do this Sunday
B. who did I play volleyball with just now
C. why I am late for class this morning
D. if I could go shopping with her tonight
【点拨】宾语从句的语序用陈述句语序，A 选项和B 选项都是疑问句，故排除。又由于在宾语从句中，主句用一般现在时，从句可用任何时态；主句用过去时，从句应用过去某种时态，此处根据“wanted”可以判断，主句使用了过去时态，因此从句也应该使用过去时态，从而排除C。
D
单元语法沙龙
单元语法沙龙
（2） 引导条件状语从句的连词和连词词组还有：unless (除非), as/so long as (只要)。
e.g. So long as we don’t lose heart, we will find a way to overcome the difficulty.
只要我们不泄气, 就能找到克服困难的方法。
We won’t go to the cinema unless you agree.
除非你同意, 否则我们将不去看电影。
本学期，我省中小学采取网上授课的教学方式。有些同学取得很大进步，也有些同学成绩下滑。对此，你有什么看法呢？ [龙东]
请以“ What do you think of learning online ”为题，谈谈你的切身感受。
话题与写作
单元话题
提示信息：
1) 网络直播课是学校避免疾病传播的一种教学方式( spread 传播v.)；
2) 作业形式丰富多样( all kinds of);
3) 课后可以观看回放( playback 回放n.);
4) 一些同学对自己要求不严格、不认真听讲、不按时完成作业；
5)Wi-Fi 不好，导致网课不能顺利进行( go on well)；
……
话题与写作
注意：文章开头已给出，不计入总词数。
What do you think of learning online
At the beginning of this term, we started having online lessons. Some students made great progress, while others found themselves far behind their classmates.
As for me, I think _________________________________
______________________________________________________________________________________________________
话题与写作
话题与写作
审题指导
审题
话题：在线学习
体裁：议论文
时态：一般现在时
人称：第一人称
“对比法”论述线上教学的优势和不足：首先点明上网课的情况，然后对比网课的优势与不足，最后阐明自己的观点。
话题与写作
写作方法
话题与写作
写作模板
线上教学 开头段：点明上网课的情况。 At the beginning of this term, we started having online lessons.
中间段：
对比网课优势与不足。 As for me, I think learning online is helpful for us to avoid spreading the disease.
Of course, the new way of learning brings trouble to those who are not strict with themselves.
结尾段：阐明自己的观点 In my opinion, it’s students’ duty to study hard no matter where you are learning, at school or at home.
话题与写作
经典词句
单词 advantage; disadvantage; cheat
短语 go online; be interested in; at the same time
句子 1. On the one hand...On the other hand...
2. It is harmful to our study.
3. Every coin has two sides.
4. We should make good use of it and stay away from unhealthy websites.
What do you think of learning online
At the beginning of this term, we started having online lessons. Some students made great progress, while others found themselves far behind their classmates.
As for me, I think learning online is helpful for us to avoid spreading the disease.① Most of the classes in our school have lessons on DingTalk.
话题与写作
范文赏析
We can watch the playback if we miss any lessons. ② And it also offers us different kinds of homework③ besides traditional ones, like video and voice homework.
Of course, the new way of learning brings trouble to those who are not strict with④ themselves. On the one hand ⑤ , they don’t take online lessons seriously. So they neither listen carefully nor finish homework in time.
话题与写作
On the other hand ⑥ , Wi-Fi is not good enough to make sure the lessons go on well. Those problems worry their parents a lot.
In my opinion, it’s students’ duty to study hard no matter where you are learning, at school or at home.
话题与写作
本文是有关线上教学的话题，作者采用对比法阐述线上教学的优势与不足。
开头首先提出上网课后出现的现象：有的同学学习进步，有的同学学习退步。中间作者据此做了论述。最后阐明自己的观点：无论什么学习方式，努力学习是学生的责任。
话题与写作
名师点评
添彩点：
①处引出线上教学的优势。
②运用if 引导的条件状语从句，说明线上教学的优势，可以回放。
③ offers 运用得很好，形象地表达了网课突破传统的课堂，提供不一样的作业方式。
④ are not strict with直接点明学习下滑的原因。用词准确到位。
⑤⑥ 分两方面说明问题。
总之：作者文字功底扎实，用词精准，思路明晰，逻辑性强。
话题与写作
课堂练习
一、用所给单词的适当形式填空
1. People used to _________ (write) letters to their friends and relatives, but now they are used to ___________ (send) e-mails.
2. The man is one of the most famous ___________ (doctor) in the town.
3. It usually takes me one hour _____________(practice) playing the guitar every day.
write
sending
doctors
to practice
课堂练习
4. Keep on _________ (read) every day, and you will get more knowledge.
5. The boy dreams of _________ (be) a scientist in the future.
6. My father bought two _________ (tablet)for my twin brother and me as our birthday presents.
7. Lisa can’t accept my _____________ (invite) because she is busy today.
reading
being
tablets
invitation
课堂练习
8. Can you _________ (name) all the American states
9. I’m going to do some ____________ (research) into the causes of air pollution.
10. If the project needs further study, we can have a ____________ (meet)this afternoon.
name
research
meeting
课堂练习
二、单项选择
11. As a middle school student, you should learn to depend _________ yourself to make a decision. [广元]
A. of B. with C. for D. on
【点拨】句意为“作为一名中学生，你应该学会依靠自己做出决定”。depend on 是固定搭配。故选D。
D
课堂练习
12. I _________ beautiful flowers from Mike just now, but I don’t want to them.
A. receive; accept B. accept; receive
C. received; accept D. accepted; receive
【点拨】句意为“我刚才收到了来自迈克的漂亮的花，但我不想接受它们”。根据just now 可知此句时态是一般过去时，故排除A 和B； receive是收到但不一定接受，accept 是接受的意思，结合句意可知此题应选C。
C
课堂练习
13. —Can you tell me how to use the camera, Tina
—Of course. It’s very _________ to use.
A. boring B. simple C. successful D. unlucky
【点拨】句意为“——你能告诉我如何使用相机吗，蒂娜 ——当然。它使用起来很简单”。boring 无聊的；simple 简单的；successful 成功的；unlucky 不幸的。本题问句是请求帮助，根据语境，可知A、C 和D 三项意思都与句意不符，故选B。
B
课堂练习
14. These handicrafts are made _________ and they’re very popular with foreign tourists.
A. in hand B. at hand C. by hand D. out of hand
【点拨】句意为“这些手工艺品是手工制作的，它们很受外国游客的欢迎”。in hand 在控制下，在掌握中；at hand 在手边，在附近，即将来临；by hand 用手工；out of hand 失去控制，不可收拾。根据空前“These handicrafts are made”可知，此空是用手工的意思，故填by hand，故选C。
C
课堂练习
15. If you keep on _________, you can make great progress.
A. study B. to study C. studied D. studying
【点拨】句意为“如果你继续学习，你会取得很大的进步”。根据“keep on doing sth. 继续做某事”可知选D。
D
课堂练习
16. If it _________ rain on the weekend, we’ll go climbing.
A. isn’t B. doesn’t C. won’t D. didn’t
【点拨】if 引导的条件状语从句常用一般现在时表示将来，故选B。
B
课堂练习
17. You can surf the Internet _________ you want to know about the 2020 World Middle School Games.
A. until B. after C. if D. unless
C
课堂练习
18. If there is a museum near here, I _________ my friends to visit it.
A. take B. will take C. took D. am taking
【点拨】在含有if 引导的条件状语从句的复合句中，时态遵循“主将从现”原则，此处从句用的是一般现在时，主句应用一般将来时。
B
课堂练习
19. Parents _________ if they don’t see their children at home in the evening.
A. is worried B. was worried
C. will be worried D. worried
C
课堂练习
20. —I wonder if our foreign teacher Mr. White will return to his hometown next Tuesday.
—I’m not sure. But if he returns to his hometown, I _________ him off.
A. see B. saw C. am seeing D. will see
【点拨】空处所在句中的if 引导条件状语从句，从句常用一般现在时表示将来，复合句中的主句应用一般将来时。
D
课堂练习
三、连词成句（注意大小写）
21. pass on, to, its, message, others
_____________________________________________.
22. she, very, is, far away from, here
____________________________________________
23. take up, any more, of, I, won’t, your time
_____________________________________________.
Pass on its message to others
Is she very far away from here
I won’t take up any more of your time
课堂练习
24. was, over, it, in seconds
_____________________________________________.
25. with, you, to, can, I, set up a time, see a movie
_____________________________________________
It was over in seconds
Can I set up a time with you to see a movie
课堂练习
四、短文填空
John Allen, an American scientist, says, “The Internet is the world’s _________26(large) library, but all the books in it are on the floor!” What he means is that the Internet is full of _______________27 (information)but it can be hard to find what you really need. The Internet has another disadvantage. Not all the information on the Internet is _________28(truly). We must be careful to choose the right information.
largest
information
true
课堂练习
____________29, the Internet still has many advantages. On some ____________30(website), you can download music and films. They are usually very cheap and some are even free. On some others, you can contact people from home and ____________31(abroad) and have a nice chat. And there are some great online shops too. People can buy things at a very low _________32(price).
However
websites
abroad
price
课堂练习
We shouldn’t depend _________33 the Internet too much. Some people are afraid that surfing the Internet will take the place of other healthier activities. Whether you love it _________34 not, the Internet is _____________35(change) our lives. We should be wise and make use of it. We should be its masters instead of its slaves.
on
or
changing
