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Unit 4 Life on Mars Grammar Unit 4 Life on Mars Grammar aware adj.知道，意识到知道，意识到 e.g.Are you aware how far Mars is away from the sun?circle vt.围绕，将一圈起来围绕，将一圈起来 e.g.It takes Mars about two Earth years to circle around the Sun once.aware adj.知道，意识到 e.g.Are yoagreement n.一致，同意一致，同意 e.g.Are scientists in agreement that living on Mars would be possible for humans in the future?distance n.距离，远处距离，远处 e.g.Are you aware of the distance between Mars and the sun?possibility n.可能性可能性 e.g.Do scientists agree about the possibility of living on Mars?agreement n.一致，同意 e.g.Are sc我们可以用介词短语我们可以用介词短语把把状语从句状语从句转换成简转换成简单句，我们可以用介单句，我们可以用介词把词把宾语从句和定语宾语从句和定语从句从句转换成简单句。转换成简单句。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A Using adverbial clauses or simple sentences We can rewrite some adverbial clauses in simple sentences with at the age of,because of and without.转换时要注意时态和意思的一致性和准转换时要注意时态和意思的一致性和准 确性。确性。A Using adverbial clauses or sNeil 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 stHumans cannot survive if there is no food,water or oxygen.Humans cannot survive or oxygen.without food,water Humans cannot survive if thereDaniel is writing about visiting another planet.Help him rewrite the sentences using the words in brackets.Daniel is writing about visiti1.Neil Armstrong took his first flight when he was only six.(at the age of)_ Neil Armstrong took his first flight at the _ age of six.2.Yuri Gagarin became the first man to go into outer space at the age of 30.(when)_ Yuri Gagarin became the first man to go _ into outer space when he was 30.1.Neil Armstrong took his fir3.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 the future because of the increasing rapidly _ population._ 4.If there is no fresh food,meals will not be as tasty as they are on the earth.(without)_ Meals will not be as tasty as they are on the _ earth without fresh food.3.People might move to anothe5.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.6.Without special boots,you cannot walk on Mars.(ifnot)_ If you dont have special boots,you cannot _ walk on Mars.5.It would be funny to play f把下面的复合句改成简单句。把下面的复合句改成简单句。1.He learnt to swim when he was eight years old.He learnt to swim at the age of eight.2.He could not go to the party because he had too much homework.He could not go to the party because of too much homework.把下面的复合句改成简单句。1.He learnt to 3.He cannot solve this problem if he has no help.He cannot solve this problem help.without 3.He cannot solve this probleB Using object clauses or simple sentences We can rewrite some object clauses in simple sentences with prepositions like of and about.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 B Using object clauses or simThe 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 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 remindsMillie 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 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 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.Millie:1.Are you aware _ of the distance between Mars and the sun (distance)?2.Do scientists agree _ about the possibility of living on Mars (possibility)?3.Have they thought _ about the low gravity problem (problem)?1.Are you aware _4.Are you aware of the transport on the Mars _ (transport)?5.I wonder the number of the people who would like _ to move to Mars _ (number).6.I think people should know _ the differences between life on Mars _ and that on Earth (differences).4.Are you aware of the transp把下面的宾语从句改为简单句。把下面的宾语从句改为简单句。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 satisfaction with the plan?把下面的宾语从句改为简单句。1.The photos C Using defining relative clauses or simple sentences We can rewrite some defining relative clauses in simple sentences with prepositions like with and in.C Using defining relative clauPeople might live in houses which have huge comfortable rooms.People might live in houses with huge comfortable rooms.On Mars you might see people who wear special boots.On Mars you might see people in special boots.People might live in houses whSimon is writing about Mars.Rewrite the defining relative clauses in simple sentences with prepositions with or in.Simon is writing about Mars.R1.Mars is a planet that has an environment similar to that of the earth._ Mars is a planet with an environment _ similar to that of the Earth.2.Astronauts who wear space suits and helmets might stay on Mars for hours._ Astronauts in space suits and helmets might _ stay on Mars for hours.1.Mars is a planet that has a3.It is difficult to breathe on a planet that has much thinner air than that on the Earth.It is difficult to breathe on a planet with _ much thinner air than that on the Earth._ 4.On Mars there might be people who carry air tanks on their backs._ On Mars there might be people with air _ tanks on their backs.3.It is difficult to breathe Simon is interested in stories about aliens.He even writes to aliens.Replace each of the underlined parts in his letter with another expression.Simon is interested in storiesDear aliens,Humans are thinking about moving to because of the serious pollution.another planet(1)because the pollution on the Earth is very serious.Many people do not doubt(2)that life on Mars would be very if life on Mars would be interesting interesting,but I am not sure.We could not on Mars,because the gravity is play football on Mars(3)because of the low low gravity.Life would be boring for me(4)without playing football.if I could not play football.Dear aliens,Humans are thinkiMaybe this problem could be solved by building indoor playgrounds (5)which have the same football fields as with the same football fields as those on the those on the Earth.Earth.By the way,would strangers be welcome?I hope to hear from you soon.Simon Maybe this problem could be so把下面定语从句改为简单句。把下面定语从句改为简单句。1.Do you know the girl who is holding two books in her hand?Do you know the girl with 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.把下面定语从句改为简单句。1.Do you know t复习简单句和复合句的转换。复习简单句和复合句的转换。复习简单句和复合句的转换。
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