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1、UNIT 4 Amazing ScienceTopic 3 We will live in space one day.Section A REVIEW TALK ABOUT THE ADVANTAGES AND DISADVANTAGES OF ROBOTS What can they do ?What can they do ?TALK ABOUT THE ADVANTAGES AND DISADVANTAGES OF ROBOTSRobots will make humans lose their jobs. Robots will make humans lazy.If robots

2、can think for themselves, they will be our masters.Robots can help us do dangerous and difficult work. What s it in the picture?ItS a UFOAliens have been seen reaching the earth by spaceship or UFO.MarsCan we do the same thing on Mars as on the earth? well be able to do anything that can be done on

3、the earth modal verb + be + p.p. The environment should be improved.Lets listen to the dialog and answer the questions. 1.What are they going to do this Saturday evening?2. Is it a movie about life in space?3. What can people do on Mars in that movie?They will go to watch a wonderful movieYes,it is.

4、All the people travel by spaceship in the movie ,and they can visit planets like Mars.We will be able to do anything that can be done on the earth.（定語(yǔ)從句） Work aloneCorrect the mistake in each sentence according to 1a.1.They will go to watch a movie for children.2.The movie will be shown next Sunday.

5、3.People use planes to travel in the movie .4.People cant live on Mars in this movie.5.In the future , people wont be able to fly anywhere._aliens2B PAIR WORK Answer the questions according to 2a 1.Does Kangkang believe there are aliens? What about Maria? 2. What does the American scientist think ab

6、out aliens?No, he doesnt. She doesnt believe , either.He think s aliens are already on the earth. 3.Michael doesnt believe anything about aliens in the movie ,does he? No, he doesnt.課堂練習(xí) 1.More man-made satellites into space. A. must sent up B. can sent up C. must be sent up D. may send up 2. This i

7、n a short time. A. cant be done B. can done C. must be do D. is doneCA 3.Most students buy the English Learning Machine learn English well. A. so that B. in order to C. that D .because 4. The Mars soon in the future by human beings. A. maybe visit B. maybe visited C. may be visit D. may be visitedD

8、BHumans may beMore satelites must be Sciencetific research should be Other planets may be Aliens have not beenA,done carefullyB .See by peopleC .Send into spaceD Cloned by scientists some day.E Visited in the future.HOMEWORK 人類僅有一個(gè)地球，這是我們賴以生存的地方，人類僅有一個(gè)地球，這是我們賴以生存的地方，所以保護(hù)環(huán)境是我們義不容辭的責(zé)任。那么我們所以保護(hù)環(huán)境是我們義不容

9、辭的責(zé)任。那么我們應(yīng)該怎樣從身邊的小事做起，來保護(hù)我們的環(huán)境，應(yīng)該怎樣從身邊的小事做起，來保護(hù)我們的環(huán)境，拯救地球呢？請(qǐng)根據(jù)所給的提示詞寫一篇拯救地球呢？請(qǐng)根據(jù)所給的提示詞寫一篇70個(gè)詞個(gè)詞左右，意思連貫，語(yǔ)句通順，語(yǔ)法正確的短文。左右，意思連貫，語(yǔ)句通順，語(yǔ)法正確的短文。（文章開頭已給出，不計(jì)入總詞數(shù)）。（文章開頭已給出，不計(jì)入總詞數(shù)）。 提示詞語(yǔ)：提示詞語(yǔ)： keep clean/ tidy, spit in public, throw litter, turn off the lights / shower, ride a bike , recycle paper, plant tree

10、s/ flowers What should we do to protect our environment? We have only one earth. Its our duty to protect the environment. I think we We have only one earth. Its our duty to protect the environment . I think we should keep our city clean and tidy. Dont spit in public and throw litter everywhere. And

11、we should plant trees and flowers . Remember to turn off the shower when we finish washing hands. Dont forget to turn off the lights when we leave the room /classroom. We had better walk or ride bikes to school to keep our streets clean. We must do our best to make our world more and more beautiful in the future.