(共28张PPT)
Unit 5 Look into Science
Lesson 30 Science Affects Us
Do you know how people went out in the last century
Free Talk
Science affects the way we travel.
It also affects our lives in many different ways.
1. To understand the meaning and usage of the new words and expressions.
2. To know how science affects our life.
3. To learn more about science and enjoy science.
Learning objectives
New words and expressions.
affect [ fekt]
suggest [s d est]
development [d vel pm nt] mobile phone [ m ba l f n] discovery [d sk v ri]
v. 影响
v. 建议; 提议;暗示
n. 发展
n. 移动电话
n. 发现; 发觉
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.
Listen to the text 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.
mobile phones
change
discoveries
everyday
Read the lesson and fill in the blanks.
1
1. Do you want to surprise your friends 你想让你的朋友惊讶吗？
surprise v. “使惊奇,使感到惊讶”, 后面直接跟宾语
eg：You surprised me. 你使我感到惊讶。
surprised 是surprise的过去分词形式,可以作形容词,通常作表语,表示人的状态,意为“吃惊的”。
Language Points
be surprised at/by为固定搭配,意为“对……感到吃惊”。
eg：All of them were surprised at the UFO.他们都对不明飞行物感到吃惊。
surprising adj. “(某物/事)令人吃惊”
eg：He was surprised at the surprising news.他对于那个让人惊讶的消息感到非常惊讶。
surprise n. “惊喜, 惊奇;使人惊奇的事”,
in surprise“惊讶地”;
to one’s surprise“令某人吃惊的是”
eg：I have a surprise for you. 我有一个惊喜给你。
To my surprise, he can finish this work in a short time.令我吃惊的是,他能在很短的时间内完成这项工作。
2. I suggest you try it, too!我建议你也试一试！
suggest v. “建议;提出”, 后常接名词、代词、动词的 “ing”形式或that从句, that从句用should+动词原形, should 可以省略。
eg：Danny suggested going together in one car. 丹尼建议大家同坐一辆车去。
She suggested that we(should)take a walk. 她提议我们出去散步。
[拓展]suggest的名词形式为“suggestion”,意思是“提议;建议;暗示”,为可数名词。
eg：We have had several suggestions on a name for the
baby. 我们已经得到好几个给宝宝取名的建议了。
I would like your suggestions about planning my education. 有关我的教育我需要你的建议。
3.Cover the jar with the cardboard and turn the jar over. 用硬纸板盖住广口瓶,把它倒过来。
turn over 的意思是“把······翻过来”。
eg：The soil must be turned over before planting. 播种前必须先翻土。
[拓展] turn over 还有“移交;仔细考虑”的意思。
eg：If you can turn it over in time, I'll lend the book to you. 如果你能按时还书,我就把它借给你。
You should turn over the problem for hours before you make a decision. 决定这个问题之前,你应该仔细考虑几个小时。
4.The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar. 托着纸片的向上的空气压力要大于广口瓶内水的向下的压力。
push up 意思是“向上推;提高”,
eg：Will you help me to push up the window 你能帮我把窗户推上去吗？
push down 意思是“向下按;推倒;压倒”
eg：What they have done pushed down prices. 他们的做法压低了价钱。
that 用来替代“the+前述名词”,以避免重复
eg：The price of rice is lower than that (the price) of meat. 大米的价格比肉（的价格）低。
[拓展] 如果比较的名词是复数, 则用 “those”来替代
eg ：His stories are more interesting than those I told.他的故事比我讲的有趣。
5. The higher air pressure outside the jar holds the cardboard in place. 广口瓶外面的空气压力大,把纸片托在原位置。
in place 意思是 “原位;在恰当的位置”
eg: I like to have everything in place. 我喜欢把一切东西都放在适当的位置。
6.The experiment you did sounds interesting.你做的实验听起来非常有趣。
sound v. “听起来 ”, 感官系动词, 后跟形容词作表语
eg: What he said sounds quite right.他说的话听起来很正确。
[拓展]类似的感官系动词还有：
taste “尝起来” smell “闻起来”
feel “摸起来” look “看起来”
7. Scientific discoveries are making our lives better and better. 科学发现让我们的生活越来越好。
better and better 比较级＋and＋比较级, 意思是 “越来越……”
eg: When spring comes,days get longer and longer.当春天来临的时候,白天变得越来越长。
[拓展]“the＋比较级, the＋比较级”表示“越……,越……”
eg: The more you smile,the happier you will feel. 你笑得越多,你就会感觉越快乐。
What would life be like without computers or mobile phones
Thinking
Here are some inventions. How do they affect our everyday lives Talk about them with your partner.
3
TV camera radio computer telephone
light bulb clock washing machine compass
telescope X ray eyeglasses
Example：
Without TV
I would spend more time talking with my family.
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
Example：
With TV
I watch TV to get information.
______________________________________
______________________________________
______________________________________
______________________________________
______________________________________
Show your opinion to the class.
Action
What did we learn
affect suggest
development mobile phone discovery
turn…over
push up
push down
in place
I suggest you try it,too!
Do you want to surprise your friends
Scientific discoveries are making our lives better and better.
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.
Summary
Fill in the blanks with the correct forms of the words in the box.
2
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.
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 _______.
suggests
affects
discovery
development
place
根据句意及首字母提示完成句子.
1. Nobody _________（建议）repairing the machine by ourselves, so we had to have it repaired.
2. The news ________ (surprise) us all.
3. I want to buy a new after graduation.
4. Science our everyday life a lot.
5. Roast (烤) the meat on one side, and then it and toast the other side.
affects
suggests
surprised
mobile phone
turn over
1. Mom is making dinner. It ________ so nice！
A．smells B．tastes C．feels D．sounds
2. The policeman discovered who had stolen the car.
A．found out B．knew about C．looked for
3. Our English teacher often gives us some ________ on how to learn English well.
A．advices B．suggestion
C．advise D．suggestions
单项选择
GOOD JOB
