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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 4,Unit 4,1,Unit 4 Life on Mars,Unit 4 Life on Mars,2,Grammar,Grammar,3,New words,aware,adj.,知道，意识到,e.g.Are you,aware,how far Mars is away,from the sun?,circle,vt.,围绕，将一圈起来,e.g.It takes Mars about two Earth years,to,circle,around the Sun once.,New wordsaware adj.知道，意识到,4,agreement,n.,一致，同意,e.g.Are scientists in,agreement,that living,on Mars would be possible for humans,in the future?,distance,n.,距离，远处,e.g.Are you aware of the,distance,between,Mars and the sun?,possibility,n.,可能性,e.g.Do scientists agree about the,possibility,of living on Mars?,agreement n.一致，同意,5,我们可以用介词短语把,状语从句,转换成简单句，我们可以用介词把,宾语从句和定语从句,转换成简单句。,简单句和复合句的转换,我们可以用介词短语把状语从句转换成简单句，我们可以用介词把宾,6,We can rewrite some adverbial clauses,in simple sentences with,at the age of,because,of,and,without,.,A Using adverbial clauses or simple,sentences,转换时要注意时态和意思的一致性和准,确性。,Attention!,We can rewrite some adverbial,7,Neil Armstrong received his student,pilots license,when he was 16,.,Neil Armstrong received his student pilots,license,at the age of 16,.,People might float in space,because the,gravity is slow.,People might float in space,because of the,low gravity.,Neil Armstrong received his st,8,Humans cannot survive,if there is no food,water or oxygen,.,Humans cannot survive,without food,water,or oxygen,.,Humans cannot survive if there,9,Daniel is writing about visiting another,planet.Help him rewrite the sentences,using the words in brackets.,Learning about outer space,Daniel is writing about visiti,10,1.Neil Armstrong took his first flight when he was only six.(at the age of),_,_,2.,Yuri Gagarin became the first man to go,into outer space at the age of 30.(when)_,_,Neil Armstrong took his first flight at the age of six.,Yuri Gagarin became the first man to go into outer space when he was 30.,1.Neil Armstrong took his fir,11,3.People might move to another planet in the,future because the population on the earth is,increasing rapidly.(because of),_,_,_,4.If there is no fresh food,meals will not be as tasty as they are on the earth.(without),_,_,People might move to another planet in the future because of the increasing rapidly population.,Meals will not be as tasty as they are on the earth without fresh food.,3.People might move to anothe,12,5.It would be funny to play football on Mars,because of the low gravity.(because),_,_,6.Without special boots,you cannot walk on,Mars.(ifnot),_,_,It would be funny to play football on Mars because the gravity is low.,If you dont have special boots,you cannot walk on Mars.,5.It would be funny to play f,13,把下面的复合句改成简单句。,1.He learnt to swim,when he was eight,years old,.,2.He could not go to the party,because,he had too much homework.,He learnt to swim,at the age of eight,.,He could not go to the party,because of too much homework,.,把下面的复合句改成简单句。He learnt to swim,14,3.He cannot solve this problem,if he has,no help.,He cannot solve this problem,without help,.,3.He cannot solve this proble,15,We can rewrite some object clauses in,simple sentences with prepositions like,of,and,about,.,B Using object clauses or simple,sentences,常用的一些动词和介词的搭配有：,remind somebody of,使某人想起,be sure/certain about,对,确信,Attention!,We can rewrite some object cla,16,The smell of the pills reminds them,of the,tasty food on the Earth.,Are they sure,that space travel will be very fast?,Are they sure,about the fast speed of,space travel?,The smell of the pills reminds them,that food on the Earth is tasty.,The smell of the pills remind,17,Millie knows little about the planet Mars.She is asking Daniel for more information.Rewrite Millies sentences using the words in brackets.,Millie knows little about the,18,Millie:,(1)Are you aware how far Mars is,away from the Sun?,Daniel:,Yes.Mars is about 142,000,000 miles,away from the Sun.It takes Mars,about two Earth years to cycle,around the Sun once.,Millie:,(2)Are scientists in agreement that,living on Mars would be possible,for humans in the future?,Daniel:,No.But theyre working hard to learn,more about Mars.,Millie:,(3)Do they think that the low gravity on,Mars might be a problem?,Millie:(1)Are you aware how,19,Daniel:,Yes,they do.,Millie:,(4)Are you aware that transport could,be like on Mars?,Daniel:,It could be much better than that on,the Earth.However,scientists arent,sure whether people could grow plants,on Mars.,Millie:,(5)I wonder how many people would like,to move to Mars.(6)I think people,should know that life on Mars would be,different from that on the Earth.,Daniel:Yes,they do.,20,1.Are you aware,_,(distance)?,2.Do scientists agree,_,(possibility)?,3.Have they thought,_,(problem)?,of the distance between Mars and the sun,about the possibility of living on Mars,about the low gravity problem,1.Are you awareof the distanc,21,4.Are you aware,_ (transport)?,5.I wonder,_,_,(number).,6.I think people should know,_,_,(differences).,of the transport on the Mars,the number of the people who would like to move to Mars,the differences between life on Mars and that on Earth
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