英语 Unit 4 Astronomy the science of the stars（2） 新人教版必修3 .ppt

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1、 Module 3 Unit 4 Expository Writing:solving a problemDo you know who they are?第一部分：引入1.Who was the first person landing on the moon?(in Russia)2.Who was the second one landing on the moon?(in the USA)3.When did they land on the moon?4.If you have a chance to explore the space,whichplanet would you l

2、ike to visit?What do you need for the visit?Do you know the answers to these questions?SpacesuitsSpace Food What is the life like on a spaceship?Key words:different little gravity float around What qualities should an astronaut have?Key words:physical condition ProblemsHow to cool youHow to breatheH

3、ow to eat and drinkHow to protect your skinHow to stop my food from floating away.1.Brainstorming:If you planned to travel to the moon,what matters would you meet with?第二部分：正文Tom:Im going to visit a comet.How exciting!Im leaving tomorrow.John:Please check that you have got the correct sort of spaces

4、uit.You need the kind that will keep you warm in the coldest weather and provide oxygen when you go into space.T:Of course!The spacesuit with helmet can also protect my skin from the sunshine and radiation.Tom and John are discussing the journey to a comet.Read and then find out:1)what problems Tom

5、will meet with 2)and how to solve them.J:Make sure you know all the safety rules.Its not safe to stand on a comet or get too close.There is always a strong wind in space.T:Of course I wont leave the spaceship except to take photos.J:Photos?Just think of the dust in the air.It will make taking photos

6、 very difficult.T:Well,I plan to take some anyway.J:Watch out for the space wind,which can be very dangerous.It makes a strange noise too as it goes through the sky.You may be able to hear it.T:Yes.My space leader has already mentioned that.J:Lastly,dont forget to watch the time as you leave the ear

7、th.Then we can check it again when you get back.Also please pay attention to everything your space guide says.Do not go off on your own.Look at the temperature on the spacesuit at all times.If it gets too low you need to warm it up and if its too high you need to push the button to cool it down.Anyw

8、ay,have a good trip!T：A:Thank you.I will!Summary:The problems Tom might meet with is -how to_(防止防止 我的食物飘走）我的食物飘走）because there is no _ on the earth.-how to _(使自己使自己 凉快凉快)because _-how to _(呼吸）呼吸）because there is no _-how to _ Discuss with your partner.Use these words and expressions to help you.You

9、should pay attention to .You should check that .You need .Dont forget to .Make sure that .Watch out for .Youd better .You must/mustnt .Please look at .How to solve them?Make sure that _()Watch out for_Youd better _Dont forget to_Summarythe problempossible solutionsThe first problem I would meet with

10、:how to stop my food floating away.I would have to take all my food with me if I went to the moon,because in the spaceship there is no gravity so the food would float around.Sample:how to eat and drinkThe food could be put in a tube and then I would be able to eat it more easily.Perhaps I would use

11、a straw to eat with.possible solutionsthe problemthe problempossible solutionshow to breatheI would have to carry oxygen around with me everywhere because theres no oxygen on the Moon.Sample:2.Brainstorming for writing:The topic sentences(introduction)The developing sentences(Body)The concluding sen

12、tences (summing up)A passage is generally made up of _ parts:Structure 1)The problems of traffic jams and air pollution has aroused increasing attention recently.2)Some of the possible solutions to these problems are as follows.3)First,car owners should share their cars with their friends and workma

13、tes,thus reducing the use of private cars.4)Second,the government could make it more convenient for its citizens to use public transport by improving the public transport system.5)In addition,more green lanes should be built for people to ride bikes.6)By taking the above measures,we could surely sav

14、e money,time and energy as well as improving the environment.Connective words重要性罗列顺序法First(firstly),second(secondly),third(thirdly),The first(problem,reason.)isThe second.is.besides,in addition,whats more,furthermore,时间顺序法early in the morning,late in the afternoon,soon,after that,before,suddenly,imm

15、ediately,after a while,then空间方位：on the top of,above,close to,next to,opposite,below,beneath,under,in the distance举例或对比for example,such as,on the other hand,but,while,however,on the contrary How to improve your writing?There are three main reasons why the car has become so pupular in the UnitedStates

16、._,Americans like to travel.With a car people can go anywhere._ is that the public transportation in the United States is not so good._ is the most important one.Americans do not like to wait for a bus.A car gives them the freedom to make their own plans.Writing Sample:Introduction:Taking a trip to

17、the moon must be quite an exciting experience.However,there are many problems we will meet with:Body:The first one is because To solve the problem,I wouldThe second one isCheck your writingSpelling and grammarSurvey on writing:1.I think writing is _ for us in our daily life.A.Very important B.Import

18、ant C.No important D.Nothing2.How well do you perform in writing?A.Excellent B.Good C.Average D.Poor D.Awful3.I think writing is _ for me.A.rather difficult B.Difficult C.not so easy D.easy 4.What difficulties do you have?In_.A.words B.sentences C.connections D.StructureE.Tenses F._5.What aspect do

19、you want to improve most?A.vocabulary B.sentence pattern C.grammar D.connections6.Your leaning aims on writing:_Homework Write a passage on writing composition in English,the following contents should be included:1)What problems do you meet with?2)How to solve these problems?The difficulty is.What I

20、 find difficult is.The trouble isWhat worries me isFirstly,The first one isSecondly,The second one is To solve the problems,I willSentence Pattern:Read the following proverbs:1、Independent thinking is a necessity in study.独立思考对学习是绝对必需的。2、The premise of learning English well is learn how to use English to think.要学好英语就要处处学习用英语思考。3、“Reading makes a full man and writing an exact man.”(Francis Bacon)阅读使人充实，写作使人精确。