Unit 5 Lesson 30 Science Affects Us课件(共27张PPT)

(共27张PPT)
Lesson 30
Science Affects Us
Leading in
Yes, I know.
Do you know how people went out in the last century
I don’t know.
They travelled by carriage.
Leading in
Leading in
I know these ways.Ha!Ha!
They travelled by bike or motorcycle.
Leading in
Now we travel like this!
Leading in
Travel is now much more comfortable and faster than in the last century. Why is there such a big change now
Because science
affects us
Leading in
Do you know how they communicated
with somebody far away in the past
They communicated by letter or telephone.
Leading in
What would life be like without computers or mobile phone
Leading in
Oh! No!
That's very terrible!
Learning aims
To read and understand the e-mails about science.
2. To know how science affects our life.
3. To learn some useful words and expressions:
suggest, development, mobile phone, discovery, turn…over, push…up, push down, in place
Words and
Expressions
affect
suggest
development
mobile phone
discovery
v. 影响
v. 建议，提议；暗示
发展
n. 手机
n. 发现；发觉
1.Brian,Danny and Jenny did an experiment at Jenny’s home. ( )
2. Jenny and Wang Mei both think science is interesting. ( )
3.Wang Mei thinks computers will change the world. ( )
4.Jenny enjoyed learning about DNA. ( )
Listen to the passage and write true (T) or false (F).
F
T
F
F
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
Read the lesson and fill in the blanks.
1
原文呈现
Hi Wang Mei,
How are you Everyone here is fine.
Do you want to surprise your friends Brian, Danny and I did an experiment in science class this week. I suggest you try it, too! First, get a jar full of water and a piece of cardboard. Cover the jar with the cardboard and turn the jar over. Next, take your hand off. Can you guess what happens The cardboard holds the water in the jar!
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
本句中的短语full of water用在名词jar之后作定语,不定式、介词短语和定语从句等都可用在名词后作定语。
turn…over意为“将……翻过来。”
【拓展】　turn over还意为“移交,仔细考虑”。
原文呈现
The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.
The higher air pressure outside the jar holds the cardboard in place.
Science is interesting. Don't you think so
Jenny
push up意为“向上推,提高”。
that用来替代“the+前述名词”,以避免重复。
push down意为“向下按,推倒,压倒”。
in place意为“原位,在恰当的位置”。
【拓展】　(1)in place of sb./sth.=in sb.’s/sth’s place代替/顶替某人/物 (2)take place发生
(3)take sb.’s/sth.’s place=take the place of sb./sth.代替/替换某人/物
原文呈现
Dear Jenny,
I'm very well. Thanks! The experiment you did sounds interesting.
Yes, science is interesting, and it affects our everyday lives. Our lives would surely be very different without scientific developments. I always wonder what life would be like without computers or mobile phones.
affect为及物动词,意为“影响”,相当于influence,常构成短语:be affected by被……影响。
【拓展】　effect为名词,意为“结果,影响”。
have an effect on意为“对……有影响”。
development为名词,意为“发展,成长”,the development of意为“……的发展”。
【拓展】　develop为动词,意为“(使)成长,发展”,
a developing country发展中国家,
a developed country发达国家。
wonder为及物动词,意为“惊奇,想知道”,相当于want to know,其后可接“疑问词+动词不定式”结构和宾语从句。【拓展】　
(1)wonder还可作不及物动词,意为“觉得奇怪,想知道”,可构成短语wonder about/at。
(2)wonder还可作可数名词,意为“奇迹”。
(3)wonderful为形容词,意为“美妙的”。
原文呈现
Scientific discoveries are making our lives better and better.
This week we had some science lessons, too. I enjoyed learning about DNA. It's really one of the most amazing things on the earth! Seientists are doing so many new things with DNA. I think it will change the world. It will be interesting to see what happens.
Wang Mei
better and better意为“越来越好”。形容词或副词的比较级重复使用,并用and连接,表示程度的增加,意为“越来越……”,这一结构是“比较级+and+比较级”。如果是多音节的形容词或副词表达这一含义时应用“more and more+形容词或副词的原级”表示。
【拓展】　“the+比较级,the+比较级”意为“越……越……”。
discovery作可数名词，意为“发现、发觉”，复数形式是discoveries。
e.g This is an important discovery.这是一个重要的发现。
discover是及物动词，意为“发现”，后加名词、代词或宾语从句。
e.g We have discovered their secrets. 我们已经发现了他们的秘密。
Fill in the blanks with the correct forms of the words in the box.
discover affect suggest place develop
1. Jenny _________________ they use a stronger piece of cardboard for the experiment.
2. The air pressure _____________ the result of the experiment.
suggests/suggested
affects/affected
2
3. The experiment led to a wonderful _________.
4. What are your plans for the ____________ of your company
5. They used a rock to hold the map in _____.
discovery
development
place
Fill in the blanks with the correct forms of the words in the box.
discover affect suggest place develop
2
Here are some inventions. How do they affect our everyday lives Talk about them with your partner.
TV camera radio computer telephone light bulb clock washing machine compass telescope X-ray eyeglasses
3
With TV Without TV
I watch TV to get information.
________________________________________________________________________________
I would spend more time talking with my family.
____________________________________________________________
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
( )2. —Do you know this boy
—Which boy
—The one _____ under the big tree.
A. lay B. lain C. laying D. lying
Exercise
( )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
Ⅱ . 根据汉语提示完成句子。
1. I ________ (建议) you ask him some specific questions about his past.
2. The talks will focus on economic ____________ (发展)of the region.
3. The _________ (发现) of America is generally referred to Columbus.
4. More than seven million people have been________ (影响) by drought.
5. The ______ _______ (手机) is now a must-have for children.
suggest
development
discovery
affected
mobile phone
Exercise
Ⅲ. 翻译下列句子。
1. 闹钟确实响了，但我翻个身又接着睡着了。(turn over)
The alarm did ring but I turned over and went back to sleep.
2. 我并不负责提高销售额。(push up)
It’s not my job to push up the sales.
3.书都放得整整齐齐, 井井有条。(in place)
The books were all neatly in place, carefully arranged.
Exercise
Homework:
1. Preview the words and expressions in Lesson31.
2. Write a composition about our lives in the future. Hand it in next class.
Thank you!