Unit 4 Our World Topic 3 Section B课件＋音频(共26张PPT，含内嵌视频)仁爱版英语八年级上册

(共26张PPT)
Unit 4
Topic 3
Section B
一、掌握以下单词和短语：website, Mars, pizza, reporter, look like,find lots of information,be not sure if/whether..., put... into...等。
二、利用be sure + that 和be not sure if/whether...结构来谈论确定与不确定的话题。
三、通过本课的学习，让学生了解因特网给人们生活带来的便利并正确地使用因特网。
学习目标
Introduce the Internet to us according to the name card.
Lead in
What can we do on the Internet
We can _____________, _____________, _____________ on the Internet.
do shopping
listen to music
enjoy movies
What can we do on the Internet
We can _______, __________________, _____________ on the Internet.
study
chat with our friends
find the way
What did they do last night
Listen to 1a and complete the table.
Name What they saw or heard online
Jane saw a new ______ of ______
Michael studied pictures of ______
Kangkang heard that _________ could put little computers right into our______
Maria watched a _______
photo
Mars
birds
scientists
heads
movie
1b
新课讲授
Watch and understand
1c
Rewrite 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 say___________________________________________________
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 Internet
looked at photos online
scientists could put little computers right into our heads
watched a movie
Jane: Guess what! I saw a new photo of Mars on the Internet last night .
Michael: That's great. What did it look like
Jane: It looked like a big red plate of pizza .
Michael: I also looked at photos online last night. I studied pictures of birds for my science lesson.
Jane: I'm sure you can find lots of information on the Internet now.
Kangkang: I visited my favorite news website online yesterday. A reporter said that scientists could put little computers right into our heads. I'm not
sure if that is a good idea.
Maria: Last night I watched a movie from the Internet. But my computer was on my desk, not in my head. I'm quite sure no scientist is going to put a computer into my head!
Read and understand
1. 猜猜看____________________
2. 一张...的照片_____________________
3. 看着像…_______________________
4. 一盘________________________
5. 找到很多信息 _________________
6. 浏览网址_________________
7. 把...放入...里___________________
8. 不确定是否..._______________________
9. 我非常确信...___________________________
guess what
a photo of
look like
a plate of
find lots of information
visit website online
put... into...
be not sure if/whether...
I'm quite sure that...
Phrases
Jane: Guess what! I__________________ Mars ___ the Internet last night .
Michael: That's great. What did it ____________
Jane: It looked like __________________ pizza .
Michael: I also looked at photos ______ last night. I studied pictures of birds for my science lesson.
Jane: I'm sure you can find __________________ on the Internet now.
Kangkang: I visited my favorite __________________ yesterday. A reporter said that scientists could ____ little computers right ______ our heads. I'm not sure ______ that is a good idea.
Maria: Last night I ________________ from the Internet. But my computer was on my desk, not in my head. I'm __________ no scientist is going to___________________my head!
saw a new photo of
on
look like
a big red plate of
online
lots of information
news website online
put
into
if
watched a movie
quite sure
put a computer into
Retell
翻译句子
1. I was not sure if that was a good idea.
我不确信那是否是个好主意。
2. I'm sure (that) you can find lots of information on the Internet now.
我相信你现在可以在网上找到很多信息。
3. I'm quite sure (that) no scientist is going to put a computer into my head !
我非常确定没有科学家会吧电脑放入我的脑袋。
be sure ( that ) + 句子 确信… ; 肯定…
be not sure if/whether + 句子 不确定… 是否…
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/whether
I was not sure if that was a good idea.
观察句子
I was not sure
if
that was a good idea
主句
从句
连接词
I'm sure (that) you can find lots of information on the Internet now.
主句
从句
连接词
观察句子
将下列句子连成一句
Lucy likes red.
I’m sure
Lucy likes red. 　
I was sure
that
I’m sure that Lucy likes red.
( )
that
liked
主过从过
I was sure that Lucy liked red.
( )
总结: 1. 当从句是______句, 连接词用___________
2. 当主句是___________时, 从句时态___________
3. 当主句是___________时, 从句时态___________________
陈述
(that)
一般现在
不变
一般过去
变为过去的时态
观察句子
将下列句子连成一句
Is Lucy a good dancer 　
I’m not sure
whether / if
Lucy is a good dancer
I’m not sure whether / if Lucy is a good dancer.
观察句子
将下列句子连成一句
Will Lucy go to China 　
I’m not sure
____________________________________________________________
whether / if
Lucy will go to China
____________________________________________________________
I’m not sure whether / if Lucy will go to China.
总结: 当从句是__________句, 连接词用______________
语序要把______________变为______________
一般疑问
whether/ if
疑问语序
陈述语序
记忆技巧
be sure (that) + 从句 确定…
be not sure if/whether + 从句 不确定是否…
从句都要用陈述语序 (即陈述句)
从句的时态要根据主句确定
注意: whether 还可以跟or not 搭配，构成whether... or not
试一试: 将下列句子连成一句
I’m not sure
1. Is he reading
2. Will they read books
3. Can you sing
he is reading .
they will read books .
you can sing.
if/whether
2
Work 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.
1. Will everyone in the world use the Internet in the future
2. Are there any good movie websites online
3. Can we find interesting books on the Internet
4. Will people have computers in their bodies some day
everyone in the world will use the Internet in the future
there are any good movie websites online
we can find interesting books on the Internet
people will have computers in their bodies some day
I’m sure (that) everyone in the world will use the Internet in the future.
I’m not sure whether/if everyone in the world will use the Internet in the future.
1. Will everyone in the world use the Internet in the future
I’m sure (that) there are any good movie websites online.
I’m not sure whether/if there are any good movie websites online.
2. Are there any good movie websites online
I’m sure (that) we can find interesting books on the Internet.
I’m not sure whether/if we can find interesting books on the Internet.
3. Can we find interesting books on the Internet
I’m sure (that) people will have computers in their bodies some day.
I’m not sure whether/if people will have computers in their bodies some day.
4. Will people have computers in their bodies some day
3
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 …
语音