1、Unit 4 Life on MarsGrammarUsing adverbial clauses or simple sentences Neil Armstrong received his student pilots licence because of the low gravity.without food,water or oxygen.when he was 16.when he was 16.at the age of 16.People might float in space Humans cannot survive because the gravity is low
2、.because the gravity is low.if there is no food,water or oxygen.if there is no food,water or oxygen.Sentences时间状语从句可借助介词短语转化为简单句。时间状语从句可借助介词短语转化为简单句。I could swim when I was eight years old.He went home after he finished his work.状语从句和简单句之间的转换状语从句和简单句之间的转换 I could swim at the age of eight.He went hom
3、e after finishing his work.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.状语从句和简单句之间的转换状语从句和简单句之间的转换You cannot enter the cinema if you dont have a ticket.状语从句和简单句之间的转换状语从句和简单句之间的转换You cannot e
4、nter the cinema without a ticket.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。1.Neil Armstrong took his first flight when he was only six.Learning about outer space1.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 ag
5、e of 27.2.Yuri Gagarin became the first man to go into outer space when he was 27.3.People might move to another planet in the future because the population on the Earth is increasing rapidly.3.People might move to another planet in the future because of the rapidly increasing population on the Eart
6、h.4.If there is no fresh food,meals will not be as tasty as they are today.4.Without fresh food,meals will not be as tasty as they are today.5.It would be funny to play football on Mars because of the low gravity.5.It would be funny to play football on Mars because the gravity is low.6.Without speci
7、al boots,you cannot walk on Mars.6.If there is no special boots,you cannot walk on Mars.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”转转换为简单句。换为简单句。He got up early so that he could catch the early bus.He got up early in order to/so as to catch the early bus.状语从句和简单句之间的转换状语从句和简单句之间的转换This hal
8、l is so large that it can hold 2000 people.This hall is large enough to hold 2000 people.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。so that 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结构转换为简单句。结构转换为简单句。Using object clauses or simple sentencesThe smell of the pills reminds them that food o
9、n the Earth is tasty.Are they sure that space travel will be very fast?The smell of the pills reminds them of the tasty food on the Earth.Are they sure about the fast speed of space travel?Sentences 可以用介词如可以用介词如of、about 等将宾语从句转换为简单句。等将宾语从句转换为简单句。Change the sentences into simple sentences1.Are you ce
10、rtain 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 the plan?3.I heard she was singing in English.I heard her singing in English.4.The photos remind me that I have travelled to the UK.The photos remind
11、me of my trip to the UK.5.Do you understand what I said?Do you understand my words?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 know _ _(differences).of the distance betwe
12、en Mars and the Sunwih the possibility of living on Mars for humansin the futureabout the problem of the low gravity on Marsof the transport on Marsabout the number of people who would like to move tothe differences between life on Mars and that on the earth MarsAbout the planet MarsUsing defining r
13、elative clauses or simple sentences People might live in houses which have huge comfortable rooms.On Mars you might see people who wear special boots.SentencesPeople might live in houses with huge comfortable rooms.On Mars you might see people in special boots.可以用介词如可以用介词如with、in 等将定语从句转换为简单句。等将定语从句
14、转换为简单句。1.Mars is a planet an environment similar to that of the Earth.2.Astronauts space suits and helmets might stay on Mars for hours.3.It is difficult to breathe on a planet much thinner air than that on the Earth.4.On Mars there might be people air tanks on their backs.Curious about MarsChange r
15、elative clauses into simple sentenceswiththat haswho wearinthat haswithwithwho carrythat haswho wearthat haswho carry Change the sentences into simple sentences1.The girl who is wearing a hat is Lucy King.2.I prefer to stay in a hotel room which has a sea view.I prefer to stay in a hotel room with a
16、 sea view.The girl with a hat is Lucy King.3.The man who wears a blue shirt is our English teacher.The man in a blue shirt is our English teacher.4.Do you know the girl who is holding two books in her hand?Do you know the girl with two books in her hand?5.We saw the glasses that were on the table fa
17、ll off onto the floor.We saw the glasses on the table fall off onto the floor.Replace each of the underlined parts with another expressionDear aliens,Humans are thinking about moving to another planet because the pollution on the Earth is very serious.Many people do not doubt that life on Mars would
18、 be very interesting,but I am not sure.We could not play football on Mars because of the low gravity.Life would be boring for me if I could not play football.Maybe thisproblem could be solved by building indoor playgrounds which have the same football fields as those on the Earth.By the way,would st
19、rangers be welcome?I hope to hear from you soon.Simon_Dear aliens,Humans are thinking about moving to another planet because the pollution on the Earth is very serious.Many people do not doubt that life on Mars would be very interesting,but I am not sure.We could not play football on Mars because of
20、 the low gravity.Life would be boring for me if I could not play football.Maybe thisproblem could be solved by building indoor playgrounds which have the same football fields as those on the Earth.By the way,would strangers be welcome?I hope to hear from you soon.Simon_because of the serious polluti
21、on on the Earthabout the interesting life on Mars because the gravity is low without football with the same football fields as those on the EarthIt is difficult to imagine what life will be like on Mars.Protect the Earth!1.Review the grammar learned in the class.2.Finish more exercises.HomeworkThank you!
