B Unit Life on Mars GrammarPPT学习教案

1、会计学1B Unit Life on Mars GrammarWords andExpressionsawarecircleagreementdistancepossibilityadj. 知道，意识到知道，意识到vt. 围绕；将围绕；将圈起来圈起来n. 一致，同意一致，同意n. 距离；远处距离；远处n. 可能性可能性第1页/共32页1. To learn to use adverbial clauses or simple sentences2. To learn to use object clauses or simple sentences3. To learn to use defi

2、ning relative clauses or simple sentences第2页/共32页Using adverbial clauses or simple sentences第3页/共32页Look at the following sentences.1. Neil Armstrong received his student pilots licence when he was 16. Neil Armstrong received his student pilots licence at the age of 16.Have a look第4页/共32页2. People m

3、ight float in space because the gravity is low. People might float in space because of the low gravity.3. Humans cannot survive if there is no food, water or oxygen. Humans cannot survive without food, water or oxygen.第5页/共32页1. Neil Armstrong received his student pilots licence when he was 16. Neil

4、 Armstrong received his student pilots licence _.2. People might float in space because the gravity is low. People might float in space _ the low gravity.3. Humans cannot survive if there is no food, water or oxygen. Humans cannot survive _ food, water or oxygen.at the age of 16because ofwithout第6页/

5、共32页Rewrite the sentences using the words in brackets.1. Yuri Gagarin became the first man to go into outer space at the age of 27. (when)2. People might move to another planet in the future because the population on the Earth is increasing rapidly. (because of)People might move to another planet in

6、 the future because of the rapidly increasing population on the Earth. Yuri Gagarin became the first man to go into outer space when he was 27.P56 第7页/共32页3. If there is no fresh food, meals will not be as tasty as they are today. (without)Without fresh food, meals will not be as tasty as they are t

7、oday.4. It would be funny to play football on Mars because of the low gravity. (because)It would be funny to play football on Mars because the gravity is low.5. Without special boots, you cannot walk on Mars. (ifnot)If there is no special boots, you cannot walk on Mars. 第8页/共32页状语从句和简单句之间的转状语从句和简单句之

8、间的转换换1. because 引导的原因状语从句用短语引导的原因状语从句用短语because of可转换成简单句。可转换成简单句。 He was late for school because it rained heavily.He was late for school because of the heavy rain.我们可以用介词短语把状语从句转换为简我们可以用介词短语把状语从句转换为简单句。单句。第9页/共32页2. if not 引导的条件状语从句可借助引导的条件状语从句可借助without短语转化为简单句。短语转化为简单句。Humans cannot survive if t

9、here is no food, water or oxygen.Humans cannot survive without food, water or oxygen.第10页/共32页3. 时间状语从句可借助介词短语转化为简时间状语从句可借助介词短语转化为简单句。单句。I could swim when I was eight years old.I could swim at the age of eight.He went home after he finished his work.He went home after finishing his work.第11页/共32页4.

10、so that引导的目的状语从句可用引导的目的状语从句可用“in order to”或或“so as to”转换为简单句。转换为简单句。 He decided to buy a camera online so that she could receive it soon.She decided to buy a camera online in order to/ so as to receive it soon.第12页/共32页5. sothat引导的结果状语从句的可用引导的结果状语从句的可用“enough to do” 结构变成简单句。结构变成简单句。This hall is so l

11、arge that it can hold 2000 people.This hall is large enough to hold 2000 people.第13页/共32页Using object clauses or simple sentences第14页/共32页Look at the following sentences.1. The smell of the pills reminds them that food on the Earth is tasty. the smell of the pills reminds them of the tasty food on t

12、he Earth.Have a look2. Are they sure that space travel will be very fast? Are they sure about the fast speed of space travel?第15页/共32页1. The smell of the pills reminds them that food on the Earth is tasty. the smell of the pills reminds them _.2. Are they sure that space travel will be very fast? Ar

13、e they sure _ _?of the tasty food on the Earthabout the fast speedof space travel第16页/共32页Rewrite the sentences into simple sentences.1. Are you certain that Tom is satisfied with the plan?2. I dont know which one I can buy.I dont know which one to buy.Are you certain about Toms satisfaction with th

14、e plan?3. I heard she was singing in English.I heard her singing in English.第17页/共32页Rewrite the sentences into simple sentences.4. The photos remind me that I travelled to the UK five years ago.5. Do you understand what I said?Do you understand my words?The photos remind me of my trip to the UK fiv

15、e years ago.第18页/共32页宾语从句和简单句之间的转宾语从句和简单句之间的转换换我们可以用介词把状语从句转换为简单句我们可以用介词把状语从句转换为简单句。1. The photos remind me that I travelled to the UK five years ago.The photos remind me of my trip to the UK five years ago.2. Are you certain that Tom is satisfied with the plan?Are you certain about Toms satisfactio

16、n with the plan?常用的一些动词和介词的搭配有：常用的一些动词和介词的搭配有：Remind somebody of. 使某人想起使某人想起.Be sure/certain about 对对确信确信第19页/共32页1. Are you aware _ _ (distance)?2. Do scientists agree _ _(possibility)?3. Have they thought _ _(problem)?4. Are you aware _(transport)?5. I wonder _ _(number)?6. I think people should k

17、now _ _(differences).of the distance between Marsand the sunon the possibility of humansliving on Mars in the futureabout the problem of lowgravity on Marsthe number of people liking to of Martian transportmove to Marsthe differencesbetween living on Mars and living on the earthP57 第20页/共32页Using de

18、fining relative clauses or simple sentences第21页/共32页Look at the following sentences.1. People might live in houses which have huge comfortable rooms. People might live in houses with huge comfortable rooms.Have a look2. On Mars you might see people who wear special boots. On Mars you might see peopl

19、e in special boots.第22页/共32页Look at the following sentences.1. People might live in houses which have huge comfortable rooms. People might live in houses _.Have a look2. On Mars you might see people who wear special boots. On Mars you might see people _.with huge comfortable roomsin special boots第23

20、页/共32页Rewrite the sentences into simple sentences.1. Do you know the girl who is holding two books in her hand?2. The man who wears a blue shirt is our English teacher.The man in a blue shirt is our English teacher.Do you know the girl with two books in her hand?3. We saw the glasses that were on th

21、e table fall off onto the floor.We saw the glasses on the table fall off onto the floor.第24页/共32页定语从句和简单句之间的转定语从句和简单句之间的转换换我们可以用介词把状语从句转换为简单句我们可以用介词把状语从句转换为简单句。1. The girl who is in a hat is Lucy King.The girl in a hat is Lucy King.2. I prefer to stay in a hotel room which has a sea view.I prefer to

22、 stay in a hotel room with a sea view.第25页/共32页Possible answer:1. Mars is a planet with an environment similar to that of the Earth.2. Astronauts in space suits and helmets might stay on Mars for hours.3. It is difficult to breathe on a planet with much thinner air than that on the Earth.4. On Mars

23、there might be people with air tanks on their backs.P58 C1 第26页/共32页Simon is interested in stories about aliens. He even writes to aliens. Replace each of the underlined parts in his letter with another expression.Dear aliens,Humans are thinking about moving to another planet (1) because the polluti

24、on on the Earth is very serious. Many people do not doubt (2) that life on Mars would be very interesting, but I am not sure. We could not play football on Mars (3) because of the low gravity. Life would be boring for me (4) if I could not play football. Maybe this problem could be solved by building indoor playgrounds (5) which have the same football fields