1、Pre-task Task 1 Revision A: Answer the following questions about the life on Mars.1. When will people move to the planet Mars?2. Why will we leave our own planet Earth ?3. How long does the spacecraft need to get to Mars at present ?4. How long does the spacecraft need to get to Mars in the future ?

2、5. What would food on Mars be like?By the year 2100.Because Earth is becoming more and more crowded and polluted.It takes months.About 20 minutes.Food would probably be in the form of pills and would not be so tasty.6. What will be a problem for people on Mars ?7. How can people prevent this problem

3、 ?8. What are the advantages for people on Mars ?9.Which school would the students study at?10. Where should the students connect their computers ?Gravity.People will have to wear special boots to prevent themselves from floating off into space.a. More space b. More time to relax c. No school.They w

4、ould study at online schools withe-teachers.They should connect their computers to an interplanetary network.Revision B: Fill in the blanks with proper words. Our own planet , earth , is becoming more and more _ and _. Hopefully, we can build a better world on _ by the year 2100. At present , our sp

5、acecraft are too slow to carry large numbers of _ to Mars. By 2100, the _might take only 20 minutes in spacecraft that travel at the speed of light. Food on Mars would probably be in the _ of pills and wound not be so _ as that on the Earth. Gravity could be another problem for people on Mars. The g

6、ravity on Mars is only about_ of that on the Earth . People on Mars have to wear special_ to prevent themselves from_off into the space.crowdedpollutedMarspassengersformjourneytastythree-eighthsbootsfloatingTask1: : Language points. While-task1.Our own planet, the Earth, is becoming more and more cr

7、owded and polluted.more and more crowded 越來越擁擠越來越擁擠more, most 放在多音節形容詞、副詞前面，幫助構放在多音節形容詞、副詞前面，幫助構成比較級和最高級。成比較級和最高級。如：如：more beautiful, most slowly這里，這里，more and more 用來加強程度，表示越來越用來加強程度，表示越來越怎么樣。相當于：怎么樣。相當于：more crowded and more crowded而短形容詞則這樣構成：而短形容詞則這樣構成：bigger and bigger 越來越年輕越來越年輕 越來越快越來越快越來越聰明越來

8、越聰明越來越細心越來越細心越來越好越來越好越來越舒服越來越舒服 At the moment , I want you to say a sentence to praise(贊揚贊揚) your partner or your best friend with the “ “comparative + comparative ” ”.comparative + comparative 越來越越來越younger and younger faster and faster clever and clever more and more carefulbetter and better more

9、and more comfortablecrowded用作形容詞，意為用作形容詞，意為“擁擠的擁擠的”。be crowded with意為意為“充滿，擠滿充滿，擠滿”。如：。如：The room was crowded with guests. 房間里擠滿了客人。房間里擠滿了客人。根據漢語意思完成句子。根據漢語意思完成句子。1. The bus was so _ (擁擠的擁擠的) that I didnt get on it.2. As we get nearer, the image becomes _ (越來越大越來越大). crowdedbigger and bigger2. At pr

10、esent, our spacecraft are too slow to carry large numbers of people to Mars.(1).too +adj.+ to do Sandy 太小了而不能去上學。太小了而不能去上學。Sandy is too young to go to school. so . that .can t .Sandy is so young that she can t go to school. adj. +enough to do .Sandy is not old enough to go to school.=It s time for y

11、ou to make sentences with the sentence structures above.large numbers of 許多，大量，許多，大量，修飾修飾_名詞，做主語時，名詞，做主語時，謂語動詞常用謂語動詞常用_形式，相當于形式，相當于a lot of, many。eg. Large numbers of birds fly to the south every winter.(2) large numbers of . manythe number of 的數目的數目 后常接可數名詞復數，做主語時，謂語動詞常用后常接可數名詞復數，做主語時，謂語動詞常用單數單數形式。

12、形式。(1)China has _ of people.(2) _ of the population of china is 1.3 million.(3) _ my friends came to my birthday party.a (large) number The number A number of=可數可數復數復數eg.The number of tourists starts to tail off in October. 游客在十月份開始逐漸減少。游客在十月份開始逐漸減少。3. By the year 2100, the journey might only take a

13、bout 20 minutes in spacecraft that travel at the speed of light.光的速度是光的速度是300,000,000 米每米每(per)秒秒.汽車正高速行駛。汽車正高速行駛。我們要全速前進。我們要全速前進。The speed of the light is 300,000,000 meter per second.The cars are driving at high speed.We should move at full speed.at the speed of() 4. The gravity on Mars is only ab

14、out three-eighths of that on Earth.Three-eighths 八分之三八分之三分數在英語中通常是借助于基數詞和序分數在英語中通常是借助于基數詞和序數詞來共同表達的。其中基數詞表示分數詞來共同表達的。其中基數詞表示分子，序數詞表示分母。如：子，序數詞表示分母。如：one-tenth 十分之一十分之一a third 三分之一三分之一注意：分子除用注意：分子除用one外，也可用外，也可用a；two thirds 三分之二三分之二four fifths 五分之四五分之四但是，但是，1/2不能說不能說a (one) second, 而而要說要說 a (one) hal

15、f。1/4和和3/4可以說可以說 a (one) fourth 和和 three fourths, 但常用但常用a quarter 和和 three quarters表示。表示。如果分子大于如果分子大于1， 分母要用復數形式。分母要用復數形式。如：如： 選擇題。選擇題。About _ of the students are from foreign countries. (2011山東東營山東東營)A. three four B. three fourthC. third fourth D. three fourths翻譯句子。翻譯句子。我們班五分之三是女生。我們班五分之三是女生。_ the

16、students in my class_ girls.Three-fifths ofare5.Compared with life on Earth, life on Mars will be better in many pare: examine people or things to see how they are similar and how they are different (v. 比較，對比比較，對比)We carefully compared the first report with the second.我們仔細的對第一份報告和第二份報告我們仔細的對第一份報告和第二

17、份報告進行了對比。進行了對比。compare with 把把相比較相比較 拓展：拓展：compare . to 意為意為“把把比作比作”。Shakespeare compared the world to a stage.莎士比亞把人世比作舞臺。莎士比亞把人世比作舞臺。 用用compare with 和和 compare to 的正確形式填空。的正確形式填空。1. He cannot _ Shakespeare as a writer of tragedies.2. You cannot _ this war _ the Vietnam war (越南戰爭越南戰爭).compare withc

18、ompare to6.Life on Mars would be better in some ways.在很多方面我們都做的很好。在很多方面我們都做的很好。We did well in many ways.in some ways; in many ways; by the way (1). _, do you know how to get to Xishanqiao school?(2). You are very clever, you are right _. (3). It is a good idea to work alone _.By the wayin many waysi

19、n some ways7.Food would most probably be in the form of pills and would not be so tasty.as + adj. / adv. + asAmy 和和sandy 一樣苗條。一樣苗條。Amy 跳舞沒有跳舞沒有Sandy跳得優美。跳得優美。Amy is as slim as Sandy.Amy doesn t dance as/so beautifully as Sandy.not as / so + adj. / adv.+ asin the form of 以以形式形式life on Mars Not crowde

20、d/polluted Have more space Robots will do our work. Students will study at home. People will have more time to relax. People will wear special designed boots. No traffic jam Low gravity Food doesnt taste good Travel will make people feel sick. Money is not important Far away from friends on Earth Ad

21、vantagesDisadvantagesTask 2 : : Every group , please give a report.Task3 : : Do More exercises.A.Translate the following phrases.1.以光速運行以光速運行 _ 2.在很多方面在很多方面 _3.飄進太空飄進太空 _ 4.現在，目前現在，目前 _pare with _ 6.large numbers of _travel at the speed of light in many waysfloat off into space at present與與比較比較許多的，許多的， 大量的大量的B. Fill in the blanks with the correct forms of the words in the brackets1.We had a _ meal with he