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单击此处编辑母版文本样式,课前自主导学,考点难点易混点,解码书面表达,Unit 4 Astronomy：the science of the stars,Section Using Language 课件（人教版必修3，课标通用）,.阅读理解,答案1.space2.left3.explained4.gravity5.rose6.closer7.cheered8.floated9.explore10.hang,.教材研读,一、重点单词熟记,1,_,n,宇,宙飞船,2_,n,&,v,t,.拉(力)；拖；牵引力,3_,v,t,.&,v,i,.(使)浮动；(使)漂浮,n,.漂浮物,4_,v,t,.用尽；耗尽；使精疲力竭,答案,1.spaceship2.pull3.float4.exhaust,二、重点短语探究,根据汉语意思补全短语,1,cheer _,感,到高兴；感到振奋,2,_ that既然,3,get the hang _ 熟悉；掌握；理解,4,break _ 突发；爆发,5,watch _ 密切注视；当心；提防,答案,1.up2.now3.of4.out5.out,三、教材佳句背诵,1,But when I tried to step forward,I found I was carried _ _ _ _ on the earth and fell over.,而,当我试着向前迈步的时候,，,我发觉我被送出去很远,，,步子的跨度竟是在地球上的两倍,，,因而我摔倒了,。,2,We watched,_ _ fire broke out on the outside of the 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来,。,答案,1.twice as far as2.amazed as,1pull,n,C,&,vt,.拉(力)；拖；牵引力,(,教,材原句)As the rocket rose into the air,we were pushed back into our seats because we were trying to escape the pull of the earths gravity.(P30),随着火箭升空，由于我们在努力挣脱地球的引力，我们被向后推在座位上。,【句法分析】,这是一个复合句。由连词as引导的句子为时间状语从句；because引导的句子为原因状语从句。,【用法归纳】,pull in,进,站停靠；驶向路边(或某处)停靠,pull on匆忙穿上(衣服),pull out离站；(使)摆脱困境,pull through恢复健康；渡过危机,pull up停车；停住,pull down拆毁,I noticed her pull her son gently towards her.,我注意到她把儿子轻轻地拉到身边。,After he waited for two hours,the train finally pulled in.,他等了两个小时，火车终于进站了。,The driver pulled up at the gate of our school.,司机把车停在我们校门口了。,【助记】,【典例剖析,】,】,The boy was very sick,but hemanaged to_.,Apull offBpull out,Cpull throughDpullup,解析,考查动词短,语,语。虽然男,孩,孩病的厉害,，,，但是他设,法,法恢复了健,康,康。pull through“,恢,恢复健康”,根,根据句意合,适,适。pull off,“,“脱去”；pullout“,离,离站；(使)摆脱困境,”,”；pull up,“,“停车；停,住,住”。,答案,C,【即境活用,】,】,完成句子,这,个旧仓库连,同,同其他一些,建,建筑物已被,拆,拆除了。,The old warehouse together with some other buildings _ _.,他的伤势,很,很重，但有,望,望恢复健康,。,。,His injuries are severe but hes expected to_ _.,他在电影,院,院入口处将,车,车停了下来,。,。,He _ _hiscar at theentranceof the cinema.,答案,hasbeenpulled downpull through,pulled up,2asstrong a pull as theearths 结,构,构,(,教,材原句)When we getcloser tothemoon,，,we shall feel its gravitypulling us,but itwillnot be asstrong a pull as theearths.(P31),当我们更接,近,近月球时,，,就会感到月,球,球的引力在,拉,拉我们,，,但是,，,月球的引力,不,不像地球的,引,引力那么大,。,【句法分析,】,】,这是一个并,列,列句。由表,示,示转折意思,的,的but连,接,接前后句子,，,，其中第一,个,个句子出现,连,连词when连接的时,间,间状语从句,；,；第二个句,子,子中出现as.as同级比较,状,状语从句。,【用法归纳,】,】,as stronga pull asthe earths,属,于,“as,adj,.a/an,n,.as,”,”,结构，意为,“,像,一样的,”。,as,adj,./,ad,v,.as,as much,不可数名词,as,as many,可数名词复,数,数,as,倍数各类,比,比较级,His bedroom isnot as/soneatas his elder sisters.,他的卧室没,有,有他姐姐的,整,整洁。,Youve made asmanymistakes as I have.,你犯的错误,和,和我犯的一,样,样多。,Our new libraryis four timeslarger than theoldone.,新图书馆比,旧,旧图书馆大4倍。,【点津】,否定句中的,第,第一个as,可,可以用so,来,来代替。,【典例剖析,】,】,Exercise is _as any other to lose weight.,Asouseful a wayBasa usefulway,Casuseful a wayDsuch auseful way,解析,考查固定句,式,式。题干中,含,含有as.as.结构，,结,结构中含有,可,可数名词单,数,数时，其形,式,式为“as,形容词a/an,可,可数名词单,数,数as”,，,，故选C。,答案,C,【即境活用,】,】,完成句子,这,本字典不如,你,你想象的那,样,样有用。,Thisdictionaryis _ _ _you think.,你的袋子,比,比我的贵一,倍,倍。,Yourbag is twice _ _mine.,你的钢笔,书,书写起来和,我,我的一样流,畅,畅。,Yourpen writes_ _ mine.,答案,notas/souseful as,asexpensiveasas smoothlyas,3cheer up,感,感到高兴；,感,感到振奋；,高,高兴起来；,振,振奋起来,(,教,材原句)Icheered up immediately and floatedweightlessly aroundin our spaceship cabin watching the earth becomesmaller and themoonlarger.(P31),我立刻感到,很,很高兴,，,由于失重我,在,在太空舱里,飘,飘来飘去,，,我望着(身,后,后的)地球,越,越来越小,，,而(前方的)月球越来,越,越大,。,【句法分析,】,】,这是一个简,单,单句。谓语,部,部分由连词and连接,的,的部分担当,；,；其中现在,分,分词watching.在,句,句中作伴随,状,状语，并且,用,用了watch sbdo句式,。,。,【用法归纳,】,】,cheersb on(,赛,跑比赛中),以,以喝彩声鼓,励,励某人；为,某,某人加油,cheerful,adj,.快乐的；,高,高兴的；兴,高,高采烈的,cheers,int,.(用于祝,酒,酒)干杯；,再,再见；谢谢,We did ourbestto cheerhim on when hewas aboutto give up.当他将要,放,放弃时我们,尽,尽力鼓励他,。,。,I tried tocheer herup by tellingher the good news.,我把这个好,消,消息告诉了,她,她，想使她,高,高兴起来。,【助记】,【典例剖析,】,】,Whatwould yousayto aglassof beer?,_.,AGood ideaBCheers,CDeliciousDNever mind,解析,考查交际用,语,语。喝,杯,杯啤酒怎么,样,样？好,想,想法。根据,语,语境可知“,赞,赞同”上句,建,建议。,答案,A,【即境活用,】,】,完成句子,这,位快乐的女,孩,孩脸上总是,挂,挂着甜甜的,笑,笑。,_ _ _ always wearsa sweet smile on herface.,他们聚集,在,在游泳池周,围,围为她加油,。,。,Theygathered roundthe swimming pool and _ _.,当我感到,忧,忧伤时，我,的,的母亲就给,我,我讲有趣的,故,故事让我高,兴,兴起来。,WhenIm feeling sadmy mothertells mefunnystories to _.,答案,Thecheerful girlcheered her on,cheer meup,4nowthat,既,既然,(,教材原句),“,“Oh dear，”I cried，“walking does need abit of practicenowthatgravity has changed.,”,”(P31),“天哪，”,我,我大声说，,“,“重力改变,了,了，看来走,路,路也的确需,要,要练一练了,。,。”,【句法分析,】,】,这是一个复,合,合句。连词now that引导,的,的句子为条,件,件状语从句,；,；主句为强,调,调句式does need，并且,主,主语walking为,动,动名词。,【用法归纳,】,】,当,since,nowthat,引,引导的从句,表,表示原因时,，,，主句前不,能,能再用so,。,。,Now(that)youhavegrownup,you shouldnotrelyon your parents.,既然你长,大,大了，就,不,不应该依,靠,靠你的父,母,母了。,【辨析】nowthat,/because/,since/as/for,now that,说明已经成为事实的原因，常译为,“,既然,”,because,语气最强，回答的是用,why,提问的问句，表示直接的或为人所不知的原因,since,表示间接附带的众所周知的原因，意为,“,既然,”,，常放在句首,as,表示一种明显的、已知的理由，意为,“,由于,”,for,是并列连词，用来补充说明理由或提供一种解释，不一定是真正的原因，不能放在主句前面,【典例剖,析,析】,_youvegota chance,you mightas wellmakefull use ofit.,AAfterBWhile,CAssoon asDNow that,解析,考查连词,。,。句意：,既,既然你获,得,得了机会,，,，你还是,充,充分利用,的,的好。根,据,据句意“,既,既然,”可知now that合,适,适。,答案,D,【即境活,用,用
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