1、Section Using LanguageAs the rocket rose into the air,we were pushed back intoour seats because we were trying to escape the pull of theearths gravity.随着火箭徐徐升空，我们被向后推在座位上，因为我们正试图摆脱地球引力。1pull n&vt.拉(力)；拖；牵引力典例 The moons pull affects the tides on the earth.月球的引力影响地球上的潮汐。She pulled aside the window cur
2、tains.她把窗帘拉到一旁。拓展 pull out(火车从车站)开出，离站pull in/into(火车)到站，进站运用 完成句子After being waited for half an hour,the train my parentswere on _(进站)As he hopelessly watched,the train was _(离站)pulling outpulled inI cheered up immediately and floated weightlessly aroundin our spaceship cabin watching the earth bec
3、ome smaller andthe moon larger.我立刻感到很高兴，由于失重我在太空舱里飘来飘去，我望着(身后的)地球越来越小，而(前方的)月球越来越大。2cheer up 感到高兴；感到振奋；欢呼；喝彩典例 The news cheered him up.这消息使他感到高兴。拓展 cheer sb.up 使某人高兴起来；使某人振奋起来cheer on sb.鼓励某人；给某人加油运用 完成句子The fans _(感 到 兴 奋)when they sawtheir favorite star.Sam is in a loss because of having failed in
4、 the driving test.Lets _(使他振作起来)cheer him upcheered up“Oh dear，”I cried,“walking does need a bit of practicenow that gravity has changed.”“天哪，”我大声说，“重力改变了，看来走路也的确需要练一练了。”3now that 既然；由于典例 Now that you are busy,let me do it for you.既然你很忙，就让我替你做吧。辨析 now that/because/as/since/for(1)now that 和 since 都可意
5、为“既然”，其用法基本相同，它们的语气较弱，常把对方陈述的事实作为理由。(2)because 语气最强，表示客观的因果关系，常用来回答why 的提问。(3)as 语气较弱，所表示的原因已为人们所知，或不如句子的其他部分重要。as 引导的从句一般放在句首。(4)for 的语气最弱，它不表示原因，只是对某一事实进行解释说明，常放于主句之后，前面用逗号隔开。运用 用上面所提供的辨析词填空_ everyone is here,now lets begin.He felt no fear,_ he was a brave man.He had to stay at home yesterday _ he
6、 was ill._ you are tired,youd better have a rest.Now that/SinceforbecauseAsWe watched,amazed as fire broke out on the outside of thespaceship as the earths gravity increased.我们惊奇地看着，随着地球引力的增加，宇宙飞船的外层燃烧起火。4break out 突发；爆发典例The Anti-Japanese War broke out in 1937.抗日战争爆发于 1937 年。拓展 break in 打断；闯入break
7、into 闯入；破门而入；突然起来break away from 脱离；挣脱；放弃break up 驱散；拆散break through 突破break down(机器、车辆等)坏了；失败；摧毁We are sorry to arrive late,but the car _.The police _ the crowd and everythingbecame quiet again.运用 用 break 构成的短语的适当形式填空Our soldiers successfully _ the enemysdefenses.broke away frombroke outThe dog _ i
8、ts owner and ran away.More than one hundred fires _ in our citylast year.Hearing the sad news,the old woman _tears.broke upbroke throughbroke intobroke down1But when I tried to step forward,I found I was carriedtwice as far as on the earth and fell over.而当我试着向前迈步时，我发觉我被送出很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。点拨“
9、twice as far as”意为“是的两倍”，其结构为：Abe/do倍数as形容词/副词原级asB，表示“A 是 B的多少倍”。拓展 倍数的其他表达形式：(1)Abe/do倍数形容词/副词的比较级thanB(2)Abe倍数the size/height/length/widthofB(3)Abe倍数what 从句如：Asia is four times as large as Europe.The size of Asia isfour times that of Europe.Asia is four times the size of Europe.Asia is three time
10、s larger than Europe.亚洲面积是欧洲的四倍(比欧洲大三倍)。The production now is three times what it was ten years ago.现在的产量是十年前的三倍。运用 完成句子The car runs _(快两倍)that truck.This street is _(四倍长)of that one.This tree is _(三倍高)that one.three times as tall astwice faster thanfour times the length2We watched,amazed as fire br
11、oke out on the outside ofthe spaceship as the earths gravity increased.我们惊奇地看着，随着地球引力的增加，宇宙飞船的外层燃烧起火。点拨 在本句中，amazed 是过去分词作伴随状语。与现在分词作伴随状语不同，过去分词作状语表示分词动作与逻辑主语构成动宾关系或动作已完成，而现在分词作状语表示分词动作与逻辑主语是主动关系或动作正在进行。如：Aunt Wu came in,followed by her daughter.吴阿姨走进来，(她)后面跟着她的女儿。He sat by the roadside,begging.他坐在路
12、边乞讨。运用 完成句子“We cant go out in this weather，”Ben said,_(向外看)of the window.looking outHe stared at the accident scene,_(被震惊)the tragedy.shocked/astonished byWhen we get closer to the moon,we shall feel its gravitypulling us,but it will not be as strong a pull as the earths.当我们更接近月球时，就会感到月球的引力在拉我们。但是，月球的引力不像地球的引力那么大。结构 not as/so.as.不如/不像仿写 完成句子This washing machine is _(不如你想象的那样有用)He is _(没有看上去那么老)Frankly,Jack is _(不像那么可靠的一个人)his brother.not as/so old as he looksnot as/so reliable a man asnot as/so useful as you think
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