Lesson 30 Unit 5 Look into Science 课件(共21张PPT)

(共21张PPT)
Lesson 30
Unit 5 Look into Science
学习目标
objectives
1. Words and expressions: mobile
phone, suggest, affect, development，
discovery, in place
2. Continue to learn Attributive Clause.
3. Keep trying and never give up.
Lead in
Some Experiments
Think about it
1.Have you ever done any interesting experiments Can you describe one of them
2.What would life be like without computers or mobile phones
Pre-reading
discovery
affect
suggest
mobile phone
development
n. 发现
v. 影响
v. 建议
n. 手机
n. 发展
New words
Read L30 and fill in the blanks.
Science affects people’s _________ lives. Without the scientific developments of recent years, our lives would be very different. Can you imagine life without computers or _____________ Scientific ___________ are making our lives better and better. DNA is really one of the most amazing things on the earth. Many people think it will ________ the world.
everyday
mobile phones
discoveries
change
While-reading
1. Wang Mei didn’t enjoy learning about DNA. ( )
2. Who did an experiment in science class this week
________________________________.
3. Does Wang Mei think the experiment they did sounds interesting
_______________________________________________.
4. The air pressure _____________________________ is higher than that of the water pushing down from inside the jar.
5.I always wonder what life would be like without computers or mobile phones .
___________________________________________
F
Brian, Danny and Jenny
Yes, she does
pushing up on the cardboard
我一直想知道如果没有电脑和手机生活会是什么样子。
1. I suggest you try it, too!
Language Points
suggest v. 建议，提议
1) suggest sth. to sb. 向某人建议某事
2) suggest doing sth. 建议做某事
3) suggest that (should + do) 建议……
4) suggestion n. 建议
2. The experiment you did sounds interesting.
定语从句；先行词为experiment，(that) you did为从句。
…sounds interesting 听起来有趣
sound接adj. 作表语。
3. Scientific discoveries are making our life better and better.
This is an important discovery.这是一个重要的发现。
We have discovered their secrets. 我们已经发现了他们的秘密。
discovery作可数名词，意为“发现、发觉”，复数形式是discoveries。如：
discover是及物动词，意为“发现”，后加名词、代词或宾语从句。如：
eg. 张家口变得越来越美丽了。
Zhang Jiakou is getting more and more
beautiful.
better and better ，即比较级+and+比较级，意思是： “越来越……”。
Free Talk
How do these inventions affect our everyday lives What life would be like without these inventions
Ⅰ. 单项选择。
( )1. —Bob never does his homework _____
Mary.
—Yes, he makes lots of mistakes.
A. so careful B. as carefully as
C. carefully D. as careful as
Practice
( )2. —Do you know this boy
—Which boy
—The one _____ under the big tree.
A. lay B. lain C. laying D. lying
( )3. —How do you know that she likes singing
—I often hear her _____ after class.
A. to sing B. sang
C. sing D. sings
( )4. They stopped _____ , but there was no more sound.
A. to listen B. to hear
C. listening D. hearing
( )5. My younger brother isn’t _____ to take care of himself.
A. enough old B. old enough
C. small enough D. enough small
1. The man is ____________ (bad) hurt.
2. Don’t be ____________ (scary). You will be OK.
3. —Are you hurt
—No, I’m not ____________ (injure).
用所给词的适当形式填空。
badly
scared
injured
完成句子。
1. Don’t worry about your son. It’s ____ ____ (没什么严重的).
2. We needn’t ____ ____ ____ (叫救护车).
3. ____ ____ (小心)！There is something dangerous ahead.
答案: 1. nothing serious
2. call an ambulance
3. Be careful
4. He ____ ____ ____ (尽力赶上)the early bus, but it was too late.
5. Don’t worry about him. I can ____ ____ ____ (照顾) him.
答案: 4. tried to catch 5. take care of
1. He didn’t agree to go there with us.
He __________________ there with us.
2. Why don’t you go swimming with me
Why _____________ swimming with me
3. Grandma takes care of my sister every day.
Grandma ____________ my sister every day.
4. You don’t have to go home today.
You _______________ home today.
同义句转换。（每空一词）
refused to go
not go
looks after
needn’t go
Homework
1.Finish off the rest exercises.
2.Preview lesson 31.
Thank You