高中英语 Unit 4 Astronomy the science of the stars Section Ⅲ Using Language课件 新人教版必修3

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1、课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达Unit 4 Astronomy：the science of the stars Section Using Language 课件（人教版必修课件（人教版必修3，课标通用），课标通用）课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达.阅读理解课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达答案1.space2.left3.explained4.gravity5.rose6.closer7.cheered8.floated9.explore10.hang课前自主

2、导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达.教材研读一、重点单词熟记1_ n宇宙飞船2_ n&vt. 拉(力)；拖；牵引力3_ vt.&vi.(使)浮动；(使)漂浮n.漂浮物4_ vt.用尽；耗尽；使精疲力竭答案1.spaceship2.pull3.float4.exhaust课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达二、重点短语探究根据汉语意思补全短语1cheer _ 感到高兴；感到振奋2_ that既然3get the hang _ 熟悉；掌握；理解4break _ 突发；爆发5watch _ 密切注视；当心；提防答案1.up2.

3、now3.of4.out5.out 课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达三、教材佳句背诵1But 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。2We watched, _ _ fire broke out on the outside of the spaceship as the earths gravity increased.我们

4、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课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达1pull nC& 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

5、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。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【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。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达 After

6、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。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【助记】 课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【典例剖析】The boy was very sick, but he managed to _.Apull off Bpull outCpull through Dpull

7、 up解析考查动词短语。虽然男孩病的厉害，但是他设法恢复了健康。pull through“恢复健康”根据句意合适。pull off“脱去”； pull out“离站；(使)摆脱困境”； pull up“停车；停住”。答案C课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【即境活用】完成句子这个旧仓库连同其他一些建筑物已被拆除了。The old warehouse together with some other buildings _ _ _ _.他的伤势很重，但有望恢复健康。His injuries are severe but hes expected to _

8、 _.他在电影院入口处将车停了下来。He _ _ his car at the entrance of the cinema.答案has been pulled downpull throughpulled up课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达2as strong a pull as the earths 结构(教材原句)When we get closer to the moon，we shall feel its gravity pulling us, but it will not be as strong a pull as the eart

9、hs.(P31)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。【句法分析】 这是一个并列句。由表示转折意思的but连接前后句子，其中第一个句子出现连词when连接的时间状语从句；第二个句子中出现as.as同级比较状语从句。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【用法归纳】as strong a pull as the earths 属于“as adj. a/an n. as”结构，意为“像一样的”。asadj./adv.asas much不可数名词asas many可数名词复数as倍数各类比较级课前自主导学课前自主导

10、学考点难点易混点考点难点易混点解码书面表达解码书面表达His bedroom is not as/so neat as his elder sisters.他的卧室没有他姐姐的整洁。Youve made as many mistakes as I have.你犯的错误和我犯的一样多。Our new library is four times larger than the old one.新图书馆比旧图书馆大4倍。【点津】否定句中的第一个as可以用so来代替。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【典例剖析】Exercise is _ as any oth

11、er to lose weight.Aso useful a way Bas a useful wayCas useful a way Dsuch a useful way解析考查固定句式。题干中含有as.as.结构，结构中含有可数名词单数时，其形式为“as形容词a/an可数名词单数as”，故选C。答案C课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【即境活用】完成句子这本字典不如你想象的那样有用。This dictionary is _ _ _ _ you think.你的袋子比我的贵一倍。Your bag is twice _ _ _ mine.你的钢笔书写起

12、来和我的一样流畅。Your pen writes _ _ _ mine.答案not as/so useful asas expensive asas smoothly as课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达3cheer up感到高兴；感到振奋；高兴起来；振奋起来 (教材原句)I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger.(P31)我立

13、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。【句法分析】 这是一个简单句。谓语部分由连词and连接的部分担当；其中现在分词watching.在句中作伴随状语，并且用了watch sb do句式。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【用法归纳】cheer sb on(赛跑比赛中)以喝彩声鼓励某人；为某人加油cheerful adj.快乐的；高兴的；兴高采烈的cheers int.(用于祝酒)干杯；再见；谢谢We did our best to cheer him on when he was abou

14、t to give up.当他将要放弃时我们尽力鼓励他。I tried to cheer her up by telling her the good news.我把这个好消息告诉了她，想使她高兴起来。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【助记】课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【典例剖析】What would you say to a glass of beer? _ .AGood idea BCheersCDelicious DNever mind解析考查交际用语。喝杯啤酒怎么样？好想法。根据语境可知“赞同”

15、上句建议。答案A课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【即境活用】完成句子这位快乐的女孩脸上总是挂着甜甜的笑。_ _ _ always wears a sweet smile on her face.他们聚集在游泳池周围为她加油。They gathered round the swimming pool and _ _.课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达当我感到忧伤时，我的母亲就给我讲有趣的故事让我高兴起来。When Im feeling sad my mother tells me funny stories t

16、o _ _ _.答案The cheerful girlcheered her on cheer me up课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达4now that既然 (教材原句)“Oh dear，” I cried，“walking does need a bit of practice now that gravity has changed.”(P31)“天哪，”我大声说，“重力改变了，看来走路也的确需要练一练了。”【句法分析】 这是一个复合句。连词now that引导的句子为条件状语从句；主句为强调句式does need，并且主语walking为动

17、名词。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【用法归纳】当since, now that引导的从句表示原因时，主句前不能再用so。Now (that) you have grown up, you should not rely on your parents.既然你长大了，就不应该依靠你的父母了。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【辨析】 now that/because/since/as/fornow that 说明已经成为事实的原因，常译为说明已经成为事实的原因，常译为“既然既然”because语气最强，回答

18、的是用语气最强，回答的是用why提问的问句，表示提问的问句，表示直接的或为人所不知的原因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，意为表示间接附带的众所周知的原因，意为“既既然然”，常放在句首，常放在句首as表示一种明显的、已知的理由，意为表示一种明显的、已知的理由，意为“由于由于”for是并列连词，用来补充说明理由或提供一种解是并列连词，用来补充说明理由或提供一种解释，不一定是真正的原因，不能放在主句前面释，不一定是真正的原因，不能放在主句前面课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【典例剖析】_ youve got a chance

19、, you might as well make full use of it.AAfter BWhileCAs soon as DNow that解析考查连词。句意：既然你获得了机会，你还是充分利用的好。根据句意“既然”可知now that合适。答案D课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【即境活用】完成句子既然天气那么好，我们去野餐吧。_ _ the weather is fine, lets go for a picnic.为什么你做这事情？因为对我们所有人都有好处。 Why did you do this?_ it is good for all

20、of us.答案Now(that)Because课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达5break out突发；爆发(教材原句)We watched, amazed as fire broke out on the outside of the spaceship as the earths gravity increased.(P31)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。【句法分析】 这是一个复合句。从句由两个连词as引导，第一个as引导的句子为时间状语从句；第二个as引导的句子为原因状语从句。主句中的过去分词amazed为动词w

21、atch的伴随状语。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【用法归纳】break away from脱离/挣脱break down出故障；坏掉；失败；(健康等)垮掉break in插话；插入break into破门而入break through冲破；突破break up粉碎；解散；结束考点警示break out不能用于被动语态，但可用于完成时态。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【典例剖析】He had to pause from time to time to wipe the sweat from his fo

22、rehead, because the airconditioning system _.Abroke in Bbroke upCbroke out Dbroke down解析考查动词短语辨析。句意：他必须不时地停下来擦额头上的汗，因为空调坏了。break in“插话”； break up“结束；(使)分解”；break out “(战争、打斗等不愉快事件)突然发生；爆发”； break down“损坏； 发生故障”。答案D课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【即境活用】完成句子 他闯进我家偷了我的钱。He _ _ my house and stole

23、my money.一旦你入了他们的伙，你就永远不能脱离他们。Once you join them, you can never _ _ _ them.如果你继续像那样工作的话，迟早你会累垮的。If you go on working like that, you will _ _ sooner or later.答案broke intobreak away frombreak down课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达6watch out密切注视；当心；提防 【用法归纳】watch out for当心；密切注意watch over照看；看守keep a

24、 watch (for.) 守望()；注视()Watch out！There is a car coming!注意！有辆车开过来了！Youll be cheated if you dont watch out.如果你不小心，就会上当受骗。Watch out for the tall man in a black hat.留神那个戴黑帽的高个男人。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【点津】 watch out的同义短语还有look out, take care, be careful。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书

25、面表达【典例剖析】_ for the glass! Its OK. Im wearing shoes.AWatch out BWalk outCGo out DSet out解析考查动词短语。句意：当心玻璃！好的。我穿着鞋呢。根据语境“提醒”推知“注意、当心”，watch out有此义。答案A课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【即境活用】完成句子 小心！有车来了_ _！There is a car coming.他外出期间，我照管他的房子。I _ _ his house while he was out.警告乘客当心小偷。The passengers

26、were warned to _ _ _ thieves.答案Watch out/Look outwatched overwatch out for 课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达表示强调的常用词 应用透析：此类词用以突出重点，以示强调。 常见词：especially, surely, indeed, above all, most importantly, in fact, no doubt, truly, at least, on earth, not at all等。课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达

27、【语境感悟】1In fact, seldom are any other animals able to stand for Chinas characteristics.(2011重庆)2You will surely give us valuable advice. (2010全国) 3We stand against all forms of cruelty, especially to children.4I thank you very much indeed for this interview.5There was no doubt that he was a fine scho

28、lar.课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达【学以致用】1我们都感到纳闷儿，他们到底想干什么？We felt puzzled. What on earth did they want to do?2听他的话音，便知他是反对的。Judging from his tone, theres no doubt he is against it.3他的病很轻。His illness is not at all serious.4这么些活儿，得有个人帮帮你吧。Surely you need some help with so much work.5如果你一定要吸烟，

29、起码总可以用一个烟灰缸吧。If you must smoke, at least you could use an ashtray.课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达身势语做为一种无声语言，在我们的日常生活中起着有声语言不可替代的作用。请根据以下要点，介绍一下肢体语言的相关情况。1据调查显示80%的语言都可以使用肢体语言。2身势语言很有用，它可以使对方很容易明白你的意思。3身势语像口语一样，因文化的差异而又有很大不同。4学习一门外语时，了解这个国家的身势语也很重要。_ _ _ 【提高训练【提高训练】课前自主导学课前自主导学考点难点易混点考点难点易混点解

30、码书面表达解码书面表达Body language, as a silent one, plays an important part in our daily life which can not be substituted by spoken language. According to a survey, there is 80% of the language that can be expressed by body language.Body language is used by people for sending messages to others. It is very

31、useful because it can help you make yourself easily understood. When talking with others, you are not only using words, but also using expressions and postures.【参考范文【参考范文】课前自主导学课前自主导学考点难点易混点考点难点易混点解码书面表达解码书面表达Just like spoken language, body language varies from culture to culture. Therefore, when you learn a foreign language, it is very important to know the meanings of postures and movements in the country.