9BUnit1reading(教育精品).ppt
Unit 1 Life on MarsReading 初中英语九下Part One Lead-inWhat problems does Earth have?初中英语九下Earth Mars a better world crowdedpolluted 初中英语七上 初中英语九下1Our Earth is becoming a crowded and polluted p_(a large body in space that moves around the star,e.g.,the sun).2 Because of the g_(a power that keeps us from floating in the air),we can stand and walk on Earth.lanetravityTask One Filling in the blanksPart Two Pre-reading 初中英语七上 初中英语九下3It takes s_(a vehicle designed for travel in space)months to travel to Mars at present.pacecraft4The first s_(people who go to live in a new place)on Mars should d_(grow and improve)plants that can produce oxygen,food and water.ettlersevelop 初中英语七上 初中英语九下5The r_(machines that can do 6 tasks under the control of computers)will do most of the work on Mars,but the food may be in the form of p_(small round pieces of medicine)and not very tasty.obotsills 初中英语九下1 Color:2 Size:3 Location:4 Moons:5 Surface:6 Temperature:Task Two Sharing my research on Mars 初中英语九下red 初中英语九下MercuryVenusEarthMarsOne-half the diametre of EarthPlutoJupiterUranusNeptuneEarthVenusMarsSaturnMercuryEight planets in our solar system 初中英语九下水星水星金星木星木星土星土星天王星天王星海王星海王星 初中英语九下Two moonsPhobosDeimos 初中英语九下The surface of Mars is a little like the surface of Earth.初中英语九下-133 27 Temperature:初中英语九下1Color:2Size:3Location:44 Moons:5 Surface:6 Temperature:My research on Marsredone-half the diametre of Earthbetween Earth and JupiterPhobos,Deimosa little like the surface of Earth-133 27 初中英语九下Task Three Guessing and searching crowded planetspace shuttlesspeed bootsspace homerobot settlers online teacher searchsearchsearchsearchsearchsearch 初中英语九下crowded planetThe population on Earth is about 6.4 billion in 2007.Its still increasing quickly.初中英语九下space shuttlesThey are new kinds of spacecraft which can travel faster in space.初中英语九下speed bootsThey are special shoes that can make you walk faster in space.初中英语九下space homeIts a special round house in space.初中英语九下robot settlers Settlers are people who go to live in a new place.Maybe robots will move to Mars and live on it first.初中英语九下online teacherThe teacher who can help you at any time and any place in an online school is called online teacher.初中英语九下Part Two While-readingTask One Skimming Para 1Para 2Para 3Para 4Para 5Para 6 Para 7Crowded,pollutedTransportFood,water and airGravityHomeSchoolFood Task Two Scanning1 What vehicle do people use to go to Mars at present?And how long does it take?2 What vehicle may people use to go to Mars in the future?And how long will it take?3 What will scientists do to solve the problems of food,water and air?4 What will food on Mars be like?5 Is gravity on Mars a big problem?Why?6 What may happen then?7 What kind of shoes should people wear?8 What kind of house may people live in?9 Who will do most of our work?10 What kind of school will students study in?And what do they call their teacher?初中英语九下 transport Spacecraft.Space shuttles.Only a very short time.1 What vehicle do people use to go to Mars at present?And how long does it take?Months.2 What vehicle may people use to go to Mars in the future?And how long will it take?初中英语九下Food,water and air4 What will food on Mars be like?Maybe the food will be in the form of pills.3 What will scientists do to solve the problems of food,water and air?Scientists will develop plants that can grow on Mars and produce food,water and oxygen.初中英语九下Yes,it is.Because the gravity on Mars is three-eighths of the gravity on Earth.People may jump high easily and float away into space.People should wear special boots to make themselves heavier.5 Is gravity on Mars a big problem?Why?6 What may happen then?7 What shoes should people wear?gravity 初中英语九下 home8 What kind of house may people live in?9 Who will do most of our work?A special dome with 10 bedrooms is highly possible.Robots.初中英语九下 school 10 What kind of school will students study in?And what do they call their teachers?Students can study in online schools and they call their teachers e-teachers.Post-reading Task One Filling in the form below 初中英语九下 Mars in 21001 Its clean and has lots of space.2 Space shuttles travel at half the speed of light.3 Its only about three-eighths of the gravity that we have on Earth.4 People wear special boots.5 People live in a dome with 10 bedrooms.6 We take exams in online schools.7 Meals are just pills.(Page 11 Part C2)初中英语九下Task Two Discussion about Task Two Discussion about life on Mars Its not _ or _.The _ is more convenient.People will wear special _.People will have _ space._ will do most of our work.Well have more time for_.Students will study in _ schools.Advantagescrowded pollutedtransportbootsmoreRobotshobbiesonline 初中英语九下Disadvantages Low _ will be dangerous.Food does not taste _.Space travel makes people feel _.Its too _ to stay outside.Its too _ away from friends on Earth.gravitygoodill/sickfarcold 初中英语九下Task ThreeCompleting Exercise C1 on page 11 of the Students BookKeys:1 a 2 b 3 c 4 c 5 b 6 b 7 a 8 bImportant sentences1 There will be various designs for settlers to choose from.将有许多种设计可供移居者将有许多种设计可供移居者选择。选择。我有很多双鞋子可以选择,但我决定不了我有很多双鞋子可以选择,但我决定不了选哪双。选哪双。I have many pairs of shoes _,but I dont know which pair _.to choose fromto chooseto choose from意思是意思是“从从中挑选中挑选”。初中英语九下2The journey might take only a very short time in space shuttles that travel at half the speed of light.用以光速一半速度飞行的太空穿梭机进用以光速一半速度飞行的太空穿梭机进行的旅程可能只要花很短的时间。行的旅程可能只要花很短的时间。此句是此句是that连接的定语从句,连接的定语从句,that 修饰先行词修饰先行词space shuttles。初中英语九下 初中英语九下3Compared with life on Earth,life on Mars will be better in many ways.与在地球上的生活相比,火星上的生活在与在地球上的生活相比,火星上的生活在很多方面将会更好。很多方面将会更好。与我们的那条路相比,这条路繁忙得多。与我们的那条路相比,这条路繁忙得多。This road is quite busy _ _ pared compared with意思是意思是“与与做比较做比较”。在句中是过去分词短语作状语,此时在句中是过去分词短语作状语,此时with和和to可通用。可通用。with/to 初中英语九下 江阴大桥把江阴和靖江连接了起来。江阴大桥把江阴和靖江连接了起来。Jiangyin Bridge _ Jiangyin _ Jingjiang.connects to 4Every student will have a computer at home connected to inter-planetary network.每个学生在家里有一台连接星际网络的电脑。每个学生在家里有一台连接星际网络的电脑。connect to 意思是意思是“与与连接连接”。这里的。这里的connected to是过去分词后置作定语,修饰是过去分词后置作定语,修饰computer。初中英语九下Additional exercisesA、用括号内所给词的适当形式填空、用括号内所给词的适当形式填空1 There is less air _(pollute)in town that in the city.2 Look at the newest T-shirt.Its made of cotton.I think it will become _(fashion)this summer.3 Its _(high)possible that people can live on Mars in the future.pollutionfashionablehighly 初中英语九下4Grandma is too old _(settle)on another planet at present.5The helmet is made of metal.Its too heavy.When I wear it,I feel _ (comfort).6 My father cooks very well.The food he cooks is as _(taste)as that in the restaurant.to settleuncomfortabletasty 初中英语九下7 Here are many kinds of moon cakes for you _(choose)from.8 _(compare)with what he had already,the new stamps were not very interesting.9 _(hope),doctors have found a new way to operate on the patients flying hospital.10 We should keep water from _(be)polluted.to chooseComparedHopefullybeing