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1、Unit 4 Life on Mars课时 3 Grammar重点 词汇1 .*adj.知道,意识到2 .vt&vi.围绕圈起来3 .n.一致同意4 .*n.距离，远处5. n.可 能性6. *n .外星人7. n.外来者，陌生人1 .努力了解更多关于火星2 .拥有与地球上一样的环境3 .在背上背氧气罐4 .通过建造室内操场来解决5 .顺便说一下重点迥组重点句型重点句型1 .在一个拥有比地球更轻薄的空气的星球上很难呼吸。2 .人们.正在考虑搬到另一个星球，因为地球上的污染很严重。知识点睛简单句与从句的转化1 .简单句与状语从句的转化。【精讲】用介词短语把状语从句转换为简单句由when,befo
2、re,after等引导的时间状语从句，可以用相应的介词短语来代替。例:Neil Armstrong received his student pilots licence when he was 16.Neil Annstrong received his student pilots licence at the age of 16.由if,unless引导的条件状语从句，可以用由without构成的介词短语来代替。例:Humans cannot sun ivc if there is no food, water or oxygen.一Humans cannot survive witho
3、ut food, water or oxygen.由because引导的原因状语从句，可以用由because of构成的介词短语来代替。例:People might float in space because the gravity is low. People might float in space because of the low gravity.口由(as.) as引导的比较状语从句，有时可以用“be of the same+名词”结构来代替。例:Lily is as old as Lucy.Lily and Lucy are of the same age.莉莉和露西年龄一样大
4、。随学随练将下列句子改为简单句。1 .Well play football when school is over. 2 .You must wash your hands before you have meals.3 .People cant live if there is no air or water.4 .We didnt go there because it rained heavily. 2.简单句与宾语从句的转化。【精讲】某些动词后的宾语从句，可以转换为“介词+动名词(短语户的形式。例:The smell of the pills reminds them that foo
5、d on the Earth is tasty.The smell of the pills reminds them of the e tasty food on the Earth.Arc they sure that space travel will be very fast?Are they sure about the fast speed of space travel?【随学随练】将下列句子改为简单句。1 .He insisted that he should go with us.2 .The poor boy doesnt know when and where he wa
6、s born.3 .简单句与定语从句的转化。【精讲】如果定语从句中的谓语动词have表示“有”的含义，从句可转换成由with构成的介词短语作后置定 诘。People might live in houses s which have huge comfortable rooms.Pcople might live in houses s with huge comfortable rooms.On Mars you might see people who wear special boots.On Mars you might see people in special boots.【随学随
7、练】将下列句子改为简单句。He is a man who has a lot of money.分层练习【基础练习】一.根据句意及汉语提示或首字母提示写出单词Have you thought about the(可能性)fbr her to enter the film industry?1. Mr Hart has trained his, daughter fbr years. Tomorrow he will be watching her anxiously as she swims the long (距离)to England.2. Are you(知道)how far your
8、home is from your school? Yes, its about 500 metres away.3. Have you heard of any tales about(外星人)?一Of course. You can read lots of them from magazines.4. It takes the Earth about 365 days to c around the Sun once.5. Many countries in the world have reached an a to reduce air pollution.二.用括号中所给单词的正确
9、形式填空Diana was a little fat in the past. But now she is much(thin) than before.1. We believe we can come up with a way(solve) the problem of pollution in the fiiture.2. The wealthy businesswoman told her own life story without(mention) her poor childhood.3. I wasnt willing to accept that her leaving
10、was a(possible). Cheer up! She will come back soon.4. What do you think of the weather in, Nanjing recently?Its like magic. Every time the temperature rises above 30 degrees, it drops(rapid) soon after that.三.单项选择Mr White tells us the calls meeting will be cancelled if no agreement tomorrow.A. is re
11、ached B. will be reached C. is going to be reachedD. has been reachedLook at these beautiful flowers. Do you know what kind of flowers they are?一Im not sure, They look much the same in shape and size as of roses.A. this B. that C. these D. thoseJack, remember off the lights when the home. OK, I wont
12、 forget, Mum.A. turning; leaving B. to turn; leave C. turning; left D. to turn; leavingDo you doubt she has passed the exams?一Im not doubtful at all she has passed all the exams.A. that; whether B. whether; that C. that; that D. whether; whether一Where did you go last week? I went to Mo Yans hometown
13、 and visited the house he was bom in.A. that B. there C. who D. where四.句型转换1. Are you sure about their interest in the magazine?（改为复合句）Arc you sure the magazine?2. Mike went to study in Beijing when he was ten.（改为简单句）Mike went to study in Beijing ten.3. Do you know the boy in a black coat over there
14、?（改为复合句）Do you know the boy a black coat over there?4. The teacher told the children. The sun goes up in the cast every day.（合并成一句）The teacher told the children the sun up in the east every day.5. If you dont work hard, you will fail behind and fail to pass the exam.（改为简单句） hard work, you will fall
15、behind and fail to pass the exam.五.根据汉语意思完成句子Wc cant breathe fresh air（由于被污染的环境）.1. Please remember（提醒他们）the time of the meeting.3.1 feel Australians（与我们是相似的）in many ways.4.1 study English（通过听录音1带）for two hours every day.5. His shoes（和我的一样）,but they（与汤姆的不一样）.【能力拓展】六.信息还原A:_1B: What? Flying cars? Tha
16、ts impossible.A: 2Many companies have been trying to make safe ones.B: Really? I know nothing about it.A:_3Sounds great! What,s it like?A: It is nearly 6 metres long and seats two people. It has wings that can fold. 4And it can turn into anairplane in just 1 second.B: It is very expensive, isnt it?A
17、: Yes, around one million yuan.B: Wow! 5Its reported that one of them plans to sell the flying car.A. So the driver can park it like a car.B. How fast it is!C. Have you heard of flying cars?D. But anyway, its worth the price.E. Can they fly high?F. Actually, they are not exactly a new idea.七.完形填空The
18、re is no doubt that my grandfather is the most important person in my life. He was more than just my grandfather: he was my teacher, and, Tm1to say, my friend.There was no safer place than his2when I was a child. I could watch scary movies sitting there, andhe would _3my eyes when there was somethin
19、g really frightening. He taught me how to4, such asnoodles and pizza. I remember, at age five,5on a chair by the stove as he taught me how to make friedeggs. He would often talk about his mother, whom he loved, having him stand on a chair stirring butter when he was no more than, three years old.He
20、was warm, loving, and firm. No matter what came his way, he always6it with no more than ashrug. His deep faith carried him through what life had to offer and pulled him out of poverty.My grandfather loved baseball. lie always watched games on television and7explained to us whatwas going on in the ga
21、me. When he turned 90, my cousin Bill gave him an autographed （签名的）photo of his favorite player. He was very 8 with the present and he almost couldnt control his 9_ .He just wouldnt slow down. Some people have a small garden in their backyard. 10 my grandfather had a small backyard surrounding his h
22、uge garden! There he would11many tomatoes that were deliciousand very 12 with us. He always had something to do and it was always done, well. Whenever anything was 13, it was taken to my grandfather. And he would fix it.It,s as if he just woke up one morning and decided it was “time”. At the age of
23、92, he became seriously14 and within a few weeks this amazing man passed away. Father of three, grandfather of three, friend of countless people, this man touched and15all of us and we are better because of him.1. A. proudB. activeC. IndependentD. worried2. A. handB. shoulderC. kneeD. arm3. A. cover
24、B. holdC. stareD.check4. A. workB.cookC. playD. purchase5. A. sittingB. lyingC. standingD. sleeping6. A. createdB.caughtC. collectedD. accepted7. A. smoothlyB. angrilyC. patientlyD. hopefully8. A. confusedB. satisfiedC.shockedD. tired9. A. agreementB. movementC. disappointmentD. excitement10. A. SoB. ThoughC. ButD. Because11. A. growB. sellC. deliverD. share12. A. interestingB. popularC. luckyD. serious13. A. stolenB. robbedC. brokenD. thrown14. A. dangerousB. sleepyC. damagedD. ill15.A. causedB. influencedC. expectedD. followed