Unit 4 3 China is the third nation that sent a person into space.SectionA课件22张PPT

课件22张PPT。 Unit 4 Amazing ScienceTopic 3
I don’t think aliens can be
found in space.Section A上海市政大厦Science changes
the world !What’s this in English ?
It’s a _________ .
What’s it made of ?
It’s made of ________ .
What’s it used for ?
It’s used for ________ _____ .
Where was it made ?
It was made in _________ .sweaterwool keeping warmChina Lead in We can watch TV or listen to a tape recorder to relax ourselves.We can turn on the air conditioner when we feel cold or hot. We can keep some food for a long time.We have computers to help us with our work when we are working in the office.We also have cars, buses and even airplanes to help us get around.Talk about the advantages and disadvantages of the following technologies.The Global Positioning System Cloning technologyRobotic technologyHow do you say this in English ?
It’s a __________ .
spaceshipWhere was it invented ?
It was invented in ________.ChinaWhat’s it used for ?
It’s used for _____________________ .exploring the space What does the space look like ?Do you want to learn more about the space ?想一想researchsearchsearch﹝…﹞ for …look forresearch1. n. 研究；调查；探索 ( inquiry, enquiry )
He is busy with medical research .
他专心于医学研究。

2. vi.& vt. 研究；探索；调查 ( search, explore )
They’re researching into ways of improving people’s diet.
他们在研究如何改进饮食的方法。3. researcher 研究员 n.
researchist 调查者 n.researchful 研究的 adj.computerrocketspaceshiplunar probesatellitecraftMarsUFOthe moonother planetscontrollaunch/send uptravel to aliensuniverse secrets researchBrainstormingPair workTry to act out 1a with your partner.Work aloneComplete Maria’s diary according to 1a.December 8th, Tuesday Cloudy
Kangkang and I are going to watch a wonderful _______ this saturday evening. The poster says it’s about _______ ______ _______. In the movie, all the people travel ______ _________ and they can visit _______ _______ _______.
Kangkang thinks we will live _______ _______ one day. There will be houses, schools, _________, and _______. We will be able to do _________ that can be done on earth. I think we will be able to fly everywhere in the future. I hope our dreams will come true.
movielifeinspacebyspaceshipplanetslikeMarsinspacehospitalsso onanything1bDo you believe there are aliens ?

If there are aliens , where are they ?
What do the aliens look like ?
How do the aliens reach the earth ?Ask and answer2bPair work Ask and answer the following questions according to 2a .1. Does Kangkang believe there are aliens ? What about Maria ?
2. What does the American scientist think about aliens ?
3. Have you ever watched such movies?
4. Do you believe there are aliens? Why ? 2cWork alone Match the two columns to make sentences.( ) 1 . Life may be a . done carefully .
( ) 2 . More satellites must be b . seen by people .
( ) 3 . Scientific research should be c . sent into space .
( ) 4 . Other planets may be d . found on other planets some day.
( ) 5 . Aliens have not been e . visited in the future . dcaebWe will be able to do anything that can be done on earth .
They are reading information on the Internet in order to learn about human culture.
in order ﹝not﹞ to , so as ﹝not﹞ to，
in order that , so that
I don’t think aliens can be found in space .
think, believe, suppose, imagine, expect
I won’t believe there are aliens until I see them with my own eyes .难点突破含有情态动词的被动语态
Modal verb + be + Past participle of transitive verb 1.Other planets may be visited soon in the future .2.These trees must be watered in time .3.It can not be done by him .
4.May a dictionary be used in the exam ?Negative sentence General question 语法探究应该认真地进行科学研究。
Scientific research ______ ____ ________ carefully.shouldbedone2. 必定会发射更多的人造卫星进入太空。
More man-made satellites ______ ____ _________ into space .mustbelaunched3. 我认为外星人不会在太空中被发现。
I don’t think aliens _____ ______ ______ in space .canbefound4. 雪必须在两点前清扫掉。
The snow _____ ______ ______ ______ before 2:00.mustbemovedaway5. 那个工作两天做不完。
The work ______ ____ ________ in two days .can’tbefinished6. 这个表该修了。
The watch _______ _____ ________ .shouldberepaired语法运用请完成句子，看谁说得准！请根据语境完成句子，每空一词。1. Football ____ often _______ by him on the playground with his friends.isplayed2. Books _____ often __________ by me from the school library .areborrowed3. The building ____ _______ by our school last year .wasbuilt4. David Beckham ___ _______ in February 1975 .wasborn5. A meeting ____ ____ ______ by the famous writer the day after
tomorrow .willbeheld6. A new supermarket ___ _____ ______ in our city .isbeingbuilt7. Many man-made satellites _____ ____ ____ ____ into space .havebeensentup8. The letter ____ ______ ______ by me at eight last night .wasbeingwrittenHave you ever used these modern machines ?Homework Collect more information about Mars.The planets of our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
我们太阳系的行星有水星、金星、地球、火星、木星、土星、天王星、海王星。