1、Unit 4 Life on MarsIntegrated skills新課導(dǎo)入Complete the sentences.1. Earth is becoming more and more _ (crowd).2. Every year, large numbers of tourists _ (come) to visit Beijing.3. There will be no _ (pollute) on Mars.4. The news made her _ (feel) sad.5. _ (science)are working hard to make the dream be

2、come epollutioncrowdedScientistsfeelRevision新課導(dǎo)入EarthMars a better world crowdedpolluted新課導(dǎo)入New words1. carry out 開展，執(zhí)行e.g. No matter what difficulty you will meet with, carry out your plan.不管你遇到什么困難，都要執(zhí)行計劃。e.g. Percentage of students who would like to move away from the earth is 50%. 想要搬離地球的學(xué)生數(shù)的百分比

3、是50%。2. percentage n.百分?jǐn)?shù)新課導(dǎo)入e.g. the disadvantage of living on Mars 住在火星的缺點3. disadvantage n.缺點，不利條件4. risk n.風(fēng)險e.g. Im not sure if its worth the risk. 我不確信是否它值得這個風(fēng)險。e.g. After all, people have already been to the Moon. 畢竟，人們已經(jīng)去過月球。5. after all 畢竟新課講解Daniel wants to live on Mars in the future. Howev

4、er, Sandy is still not sure if she would like to. This week, there is a TV programme on this topic. Listen to the preview. Help Sandy make notes of it.新課講解Survey carried out in: Schools in Sunshine TownDay:Channel:Name of programme:Time:Percentage of students who would like to move away from the Ear

5、th:Friday eveningSunshine TVMove in Mars7:30 to 9:00 p.m.50%新課講解Sandy is watching the TV programme. She wants to write down the important points. Listen to the discussion and help her complete her lists.Advantages It would be very interesting.We could study at _.It is not so crowded, with much more

6、_.Travelling in space would be _.online schoolsspacefun新課講解Disadvantages We do not know if it is really safe.We might _ from living there.It is _ from the Earth. There is not enough food, _ or oxygen.There might be _ aliens.get ill so far awaywaterdangerous新課講解Daniel and Sandy are talking about the

7、TV programme. Complete their conversation with the information in Parts A 1 and A 2.Sandy: Did you watch the programme called (1) _ on (2) _ TV last (3) _ evening?Daniel: Yes, I did. but I missed the first part of it. When did the programme begin?Sandy: It began at (4) _. It started with a discussio

8、n about a (5) _. It showed that (6) _ of the students would like to (7) _ the Earth and live on (8) _.Friday7:30 p.m.survey50%move away fromMarsMoving to MarsSunshine新課講解Daniel: Oh, yes. Some students said living on another planet such as Mars would be very (9) _. They could study at (10) _, and tra

9、veling in (11) _ would be fun.Sandy: There might also be much more (12) _ for everyone on Mars. Its too crowded erestingonline schoolsspacespaceDaniel: However, some other students were worried about living there. They said they didnt know if it would be (13) _. They thought they might (14)

10、_ because theres not enough food, (15) _ or oxygen on Mars.Sandy: They were even afraid of aliens there. They thought aliens were (16) _ and would harm people. really safeget illwaterdangerous新課講解Daniel and Sandy are talking about living on Mars. Work in pairs and discuss whether you would like to l

11、ive on Mars. Use the conversation below as a model.Speak upDaniel: Would you like to live on Mars, Sandy?Sandy: Im not sure if its worth the risk. It worries me.Daniel: Why? It would be quite safe. After all, humans have already been to the Moon.新課講解Sandy: Maybe you are right, but we might get ill f

12、rom living there.Daniel: I dont think so, Sandy. Its just a different kind of life. It would be great to live on another planet.Sandy: What about all your friends here on the earth if you go to Mars?Daniel: I want you all to come too.Sandy: OK. If you all go together, it should be fun.新課講解1. Would S

13、andy like to live on Mars? Why?2. Would Daniel like to live on Mars? Why?He is not sure because she is not sure if its worth the risk it worries her.Yes, he would like to. Because itll be great to live on another planet.Read the conversation and answer the questions.新課講解Where do you prefer to live,

14、Mars or Earth?Why?Work in pairsUseful information:online schoolsmuch more spacetravelling in spaceso far away from the Earthno food, water or oxygensome dangerous aliens新課講解DiscussionFrom the survey conducted in our class, the percentage of the students who want to live on Mars is _%.If we are not w

15、illing to move to Mars, what should we do now?新課講解（1）Dont throw litter everywhere carelessly.（2）Protect the environment. Try to reduce air and water pollution.（3）Try our best to protect wildlife and animal protection is to protect the world and ourselves .（4） Promote low carbon living.提倡低碳生活 Walk or

16、 ride a bike when going out .（5）Plant more trees to make our world more beautiful. （6）It is important to protect the balance of nature .（7）Try to control the increasing of the population. If we are not willing to move to Mars,what should we do now?Well done! 新課講解How do we protect the Earth?We should

17、 reduce pollution;We should control population;We should save energy;We should當(dāng)堂小練1. 開展，執(zhí)行4. 害怕見到外星人 2. 在太空中旅游5. 離地球如此遙遠3. 對 有傷害carry outtravel in spacedo harm to/be harmful tobe afraid of seeing aliensso far away from the Earth.Translate the following phrases.當(dāng)堂小練8. 畢竟7. 與地球上的情形不同6. 生活在火星上的缺點disadv

18、antages of living on Marsbe different from the situation on Earthafter all9. 住在另一個行星上非常棒be great to live on another planet當(dāng)堂小練 plete the following sentences.1. Some of the students are afraid of _ (see) aliens there. 2. They are not sure whether it is much _ (safe) to live there. 3. The questions she asked last week is still under _ (discuss). 4. Reading in the sun is _ (harm) to our eyes. 5. Dont have the baby _ (cry) all the time.saferdiscussionharmfulcryseeing當(dāng)堂小練.Translate the following sentences. 1.我們的班會以一個特別的討論開始。Our class meeting started w