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1、Unit 4 Topic 3 Section CIt is reported that China plans to take part in to explore Mars.What do you know about Mars ?What does it look like?這是兩張火星圖片，你可以選擇不同尺寸觀看。這是兩張火星圖片，你可以選擇不同尺寸觀看。衛(wèi)星圖片處理而成的火星地形衛(wèi)星圖片處理而成的火星地形圖圖 下面兩張圖片是火星東西兩半下面兩張圖片是火星東西兩半球的景象球的景象據(jù)報(bào)道：It is reported that 據(jù)說：It is said that據(jù)報(bào)道那個(gè)人死于車禍It

2、is reported that the man died in a car accident.flightfly flewflownat /from the distance of :相隔相隔在五英哩遠(yuǎn)的地方在五英哩遠(yuǎn)的地方,你會(huì)看到那座大房子你會(huì)看到那座大房子 You can see the big house at(或或from) a distance of five miles.這幅畫從遠(yuǎn)處看很美。這幅畫從遠(yuǎn)處看很美。The picture looks beautiful at (或或 from) a distance.太陽 Mars goes around the sun at a

3、distance of about 228 million kilometers.Mars is a quarter as big as the earth.這幢新樓比那幢舊樓大四倍。這幢新樓比那幢舊樓大四倍。The new building is _ as big as the old oneThe earth is four times as big as MarsThe old building is _as big as the new one.four timesa quarterCan you tell which planet is Mars?It is bright red i

4、n the night skyCan you tell which planet is Mars?It looks like a red and orange ball During spring and summer,strong storms can cover the whole surface of Mars.The gravity on the surface of Mars is about _ as strong as it is on the earthone third A person _weighs only 30 kilos on Mars.who weighs 90

5、kilos on the earth重力，引力，地心引力 The temperature on Mars is between -140 and 20 -140 ： minus one hundred and forty degrees Celsiusminus one hundred and forty degrees centigrade one hundred and forty degrees centigrade below-數(shù)字 ：minus +數(shù)字?jǐn)?shù)字+degrees Celsius/degrees centigrade 數(shù)字?jǐn)?shù)字+degrees Celsius/degrees

6、centigrade+below a quarter as big as:相當(dāng)于相當(dāng)于的四分之的四分之一大一大Toms room is a quarter as big as the room.湯姆的房間是這個(gè)房間的四分之一.two times as long as 像兩倍一樣長.Sangu Bridge is two times as long as Chengdong Bridge.三姑橋是城東橋的兩倍one third as strong as 相當(dāng).的三分之一強(qiáng)度plan to do sth:計(jì)劃做某事I plan to have a picnic next Sunday.Why ca

7、nt we live on Mars?The air on Mars has only 0.13% oxygen.氧氣氧氣zero point one three/thirteen percentIt takes a spaceship from earth about _to reach Mars when the two planets are closest each other.eight monthsHow long does it take a spaceship from earth to reach Mars? Read 1a again and find out inform

8、ation about Mars.Color :_Shape:_Climate:_ _Distance from the sun:_Its red and orangeIt looks like a ball. During spring and summer, strong storms can cover the whole surface of Mars.The temperature on Mars is between -140 and 20 Mars goes around the sun at a distance of about 228 million kilomaters.