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1、UNIT 4 MAGICAL SCIENCETopic 3 Perhaps people will fly to Mars.Section BPASSIVE VOICE一般現(xiàn)在時的被動語態(tài):一般過去時的被動語態(tài):將下列句子改為被動語態(tài)下列句子改為被動語態(tài):1.Many students enjoy cartoon films in our school.Cartoon films _ _ _ many students in our school.2.We speak English as a second language.English _ _ as a second language _

2、 _ .3.The farmers keep the fruit well during winter.The fruit _ _ _ during winter _ the farmers.was/were + P.P.am/is/are + P.P.單項選擇單項選擇:1.-Did you go to Jacks birthday party?-No,I_.(2005年中考題年中考題)A.am not invited B.wasnt invitedC.havent invited D.didnt invited2.The children _ swim last month and they

3、 can swim very well now.(2006)A.are taught B.are taught toC.were taught D.were taught to are enjoyed byis spokenby us is kept wellby B DModal verb + be +Vp.pPre-reading question: 含情態(tài)動詞的被動結構含情態(tài)動詞的被動結構是怎樣的呢是怎樣的呢?4.He can mend the bike in two days.The bike _ _ _ in two days.can be usedMust be finisheds

4、hould be brushedcan be mended1.Now people can use computers to help them. Now computers _ _ _ to help the them.2.Must we finish our work today?_ our work_ _ today?3. We should brush our teeth every day.Our teeth_ _ _every day.MAKE SENTENCES WITH THE WORDS GIVEN.ProtectOur environment should be prote

5、cted well.CleanThe blackboard must be cleaned after class. When I was a child , I really admired the astronaut . They can travel to space and discover something new about planets. The risks are exciting. If you hope your dream comes true, you should learn a lot and master some basic skills.Leading-i

6、n 1. What is Kangkang going to be when he grows up？ Kangkang is going to be an astronaut when he grows up. Maria wants to be a scientist. 2. What about Maria?Listen and answerPAIR WORK Read 1a again. Ask and answer in pairs.1.Has Maria heard the news about the space flight to Mars? 2.Who will take p

7、art in it ?No, she havent.The astronauts from China ,the United States and Russia.PAIR WORK3.Why will the astronauts travel to space?4.Which subject does Maria prefer, science or dancing? Because they want to discover something new about Mars.Science.PAIR WORK5.Has Maria heard the news about the spa

8、ce flight to Mars?6.what is Marias dream?No, she hasnt. She wants to be a scientist in the future. news, take part in, astronauts, admire, travel, grow, cool, basic, dancer, perform, prefer, favorite, believe, come true Read the dialog between Kangkang and Maria. Then act it out with the help of the

9、 key words and phrases. (1)Something new about Mars _ by the astronauts. (2) Some basic skills _ by Kangkang. (3) People will _things in the future. (4) Ballet _on the stage by Maria in the future Complete the sentences according to 1a. can be discoveredshould be mastereddiscover more and morecan be

10、 performedUseful expressions1.I can perform ballet on the stage in the future.2.I perfer science to dance.3.I d like to be an astronaut when I grow up.4.Lets work hard to make our dreams come true. Mars 火星礦藏圖片 火星渠道曾一度灌火星渠道曾一度灌滿了流水滿了流水 火星上的馬力內尼斯峽谷。這個峽谷比美國大峽谷還要大，圖像顯示它是被流水沖出來的 鳳凰號火星車勇氣號火星車(1).Who is th

11、is e-mail from?(2). How long did it take them to get there?(3). Did everything go well during the journey?This e-mail is from Kangkangs uncle, Stephen. It took them more than two years to get there. Yes, the journey has gone very well .Listen and answer1.It has been two days since we landed on Mars.

12、 It is six weeks since we had a proper shower. It has been+一段時間 +since +從句= It is +一段時間+since +從句It has been three years since I came to No.9 High School.= It is three years since I came to No.9 High School.2.be worth doing Eg: The book is worth reading .be worth it 有好處， 值得 The job needs a lot of ha

13、rd work but its worth it. Read 3a again and mark (T) for True or (F) for False. ( )1.Its been five days since we landed on Mars. ( )2.It took us three years to get to Mars. ( )3.We had plenty of food and water in the spaceship. ( )4.We have been away from the earth for 763 days. ( )5.The excitement

14、and risks on Mars are worth it.FFFTTWork alone你會嗎根據(jù)首字母或漢語提示，完成句子，每空一詞。1.The astronauts can travel to space and (發(fā)現(xiàn)) the secret in space. 2.The students need to learn a lot of knowledge and master some basic (技能 ) . discoverskills你會嗎3.I really (羨慕）the astronauts. They can travel to space.4.Jim have y

15、ou(聽說）the news on the TV about the accident?5.Jane singing to dancing(更喜歡). admireheardprefersHi Kangkang, It _1_ two days since we _2_ on Mars. It _3_ us more than two years to get here. Generally, the journey _4_ well. But the living conditions _5_ quite bad during the journey. We had to _6_ most of the food in the spaceship. Whats _7_, our water supplies were very _8_. We had to _9_ the use of water during those days. It _10_six weeks since we _11_ a proper shower. 763 days what a long time! I often _12_ my family, but the _13_ and _14_ on Mars are worth it!鞏固練習