Unit 4 Our World.Topic 3 The Internet makes the world smaller.SectionB课件（22张PPT）

课件22张PPT。Unit 4 Our World Topic 3
The Internet makes the world smaller.Section BLearning aims1.Words and phrases.
Mars, pizza, website, reporter.
On the Internet在互联网上，
put… into…
2. be sure that +句子
be not sure if/whether + 句子Let's talkWhat do you often do at weekends? do the homework do some shopping play sportswatch TV play computer gamesWhat can we do on the Internet? listen to music send e-mails chat with friendsfind informationWe can do shopping at home.We can enjoy movies on the Internet.We can study on the Internet.We can learn to cook.Jane and her friends are talking about the things they did on the Internet last night.
What did each of them do last night ?Listen to 1a and complete the table. photoMars birdsscientistsheadsmovie1b录音1a-P99Rewrite the conversation into passage based on 1b . Last night, Jane ____________________________
________ and Michael also ____________________
for his science lesson. Kangkang visited his favorite website and heard a reporter said that __________
________________________________________. He was not sure if that was a good idea. Maria _______
_________ online and she was sure no scientist was going to put a computer into her head.saw a new photo of Mars on the Internetlooked at photos onlinescientistscould put little computers right into our headswatcheda movie1c视频1a-P99Write another passage from Jane’s point of view.You can begin like this :
Last night, Maria, Michael and I …Read and practice the
conversation.PracticeKey points I’m sure you can find lots of information on the Internet now.
be sure ( that ) + 句子 确信…… ; 肯定……
I’m not sure if that is a good idea.
be not sure if/whether + 句子 不确定……是否……
Eg : 我确信他会来参加我的生日晚会。
I _______________ he will come to my birthday party.
他不确定他是否去我的生日晚会。
He ____________________ he will go to my birthday
party.am sure ( that )is not sure if/whetherWork in pairs and make up conversations with the sentences in the box.Example
A: I’m sure there are many interesting
things to see on the Internet.
B: I’m not sure whether/if it is good to
shop online.2PracticeWill everyone in the world use the Internet in the future ?
Are there any good movie websites online ?
Can we find interesting books on the Internet ?
Will people have computers in their bodies some day ?将来将来某天Discuss in groups about what you saw or heard on the Internet. Then make a report and present it to the class.A: I saw/looked at/watched…
B: I’m sure …
C: I visited the website and a reporter
said …
D: I’m not sure if/whether …
…3PracticeDo the exercisesChoose the best answer.
Computers are very useful to us, but students shouldn’t ____ too much time ___ them.
A. spend; in B. cost; /
C. spend; on D. take; to
2. We can shop ___ the Internet ____ going to the shops.
A. on; without B. in; without
C. in; for D. on; with3. – We can use QQ to chat online.
--Really ? Could you please show me ______ it ?
A. what to do B. how to do
C. when to do D. why to do
4. I’m _____ sure _____ computers can work in our heads well .
A. /; whether B. not; that
C. not; if D. quite; whetherSummary
be sure that +句子
be not sure if/whether + 句子Thank you !