河北省石家庄市第一中学高中英语 unit4 Astronomy learning about language grammar教学课件 新人教必修3.ppt

《河北省石家庄市第一中学高中英语 unit4 Astronomy learning about language grammar教学课件 新人教必修3.ppt》由会员分享，可在线阅读，更多相关《河北省石家庄市第一中学高中英语 unit4 Astronomy learning about language grammar教学课件 新人教必修3.ppt（36页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、unit4 unit4 2021/8/8 星期日12021/8/8 星期日2A time machine2021/8/8 星期日3Big Banga solid globeatmosphere waterIt became very v_iolentIn time it produced some gases.2021/8/8 星期日4The water on the earth is u_ that on other planetswaternlike2021/8/8 星期日5plants in the watershellfish and fishplants on landinsects

2、 and amphibians2021/8/8 星期日6Reptiles Dinosaurs Mammals They produced young by l_ eggs.ayingThey _ young baby animals and produced milk to feed them.gave birth toDinosaurs e_ on the earth for more than 140 million years.xisted2021/8/8 星期日72021/8/8 星期日8 prevent.from 使使.不做某事不做某事,阻止阻止.做某事做某事Nothing will

3、 prevent us from studying hard.stopkeep2021/8/8 星期日9 One hundred and forty million years before humans _,dinosaurs ruled the earth.At that time they had few natural enemies.So they developed quickly.They _ young by _ eggs.Until now no one knows the exact reason why the dinosaurs were unable to _ the

4、mselves _ disappearing altogether.They died out _.Maybe as some scientists guess,that the earths weather became hot and dry _ the dinosaurs life.existedgave birth tolaying prevent from in timewas harmful toFill in the blanks using some of the words on the blackboard.2021/8/8 星期日101.What he discovere

5、d has not yet been proved.The subject ClauseThe subject Clause3.It is an important topic for research why the earth is becoming warmer.2.Whether other astronomers accept his idea remains a question.真正的主语真正的主语形式主语形式主语主语从句主语从句 subject clause2021/8/8 星期日11 Find the sentences with the subject clauses fr

6、om the reading passage in Par.35.2021/8/8 星期日12Par3.4.It was not immediately obvious that water was to be fundamental to the development of life.5.What many scientists believe is that the continued presence of water 2021/8/8 星期日137.Whether life will continue on the earth for millions of years to com

7、e will depend on whether this problem can be solved.Par4.6.Why they suddenly disappeared still remains a mystery.Par5.2021/8/8 星期日14Complete the sentences using what,whether,where,when,who,why,how or that.1.(_ is needed for success)is your hard work.3.(_ we will go tomorrow)hasnt been decided yet.2.

8、(_ they will arrive)has been told to the teacher.4.(_ can join in the sport meet)is decided by the teacher.5.(_ it will rain or not)is not clear.7.(_ the earth is a solid ball)is known to us all.WhatWhen/HowWhere/whetherWhoWhetherThat6.(_ the earth is becoming warm)is a good topic for research.Why主语

9、从句作主语时，谓语动词一般用单数形式。主语从句作主语时，谓语动词一般用单数形式。Conclusion:2021/8/8 星期日15.It was not clear whether the solid shape would last or not.Subject ClauseSubjectFormed SubjectWhether the solid shape would last or not was not clear.Real引导主语从句在句首只能用引导主语从句在句首只能用whether,有有it作形式主语的作形式主语的whether/if都可以都可以.Conclusion:ifIf

10、2021/8/8 星期日16the earth is a solid globeThatis known to us all.It is known to us all that the earth is a solid ball.Use“it”to rewrite two sentences.How life began on the earth has been learned in the text.It has been learned in the text how life began on the earth.Conclusion:That 在主语从句中不能省略.2021/8/8

11、 星期日171.用用 what/whether/that/if/where/how/when/why/who/how much/etc.来连接主语从句来连接主语从句.Summary:Subject Clause4.引导主语从句在句首只能用引导主语从句在句首只能用whether,有有it作形式主语的作形式主语的whether/if都可以都可以.5.That 在主语从句中在主语从句中不能省略不能省略.2.有时为了使句子有时为了使句子结构平衡结构平衡,避免避免“头重脚轻头重脚轻”,常用常用 it 作形式主语作形式主语,而把从句放在后面而把从句放在后面.2021/8/8 星期日18pour into

12、is harmful to our home.What is harmful to our home?That the factory pours waste water into riversproblems2021/8/8 星期日19destroyed the balance of nature .That people cut down too many treescut downWhat destroyed the balance of nature?problems2021/8/8 星期日20pollutes our home.That people throw rubbish ev

13、erywherethrow everywhereWhat pollutes our home?problems2021/8/8 星期日21 makes animals endangered._ people kill too many Antelope for moneykill for moneyWhat makes the Antelope endangered?ProblemsThat _makes Antelope endangered is that people kill too many Antelope.Whatthat与与whatwhat在从句中作主语、宾语、表语在从句中作主

14、语、宾语、表语,而而that则不作句子成分则不作句子成分.Conclusion:2021/8/8 星期日22What makes the birds endangered?makes birds endangered.give off2.That_smoke3.It is reported thatfactory1.What makes birds endangered is that _problems2021/8/8 星期日23 Step 2.suggestionA:I suggest/believe that should(not)C:What suggests/believes is

15、that B:What does he suggest?2021/8/8 星期日24As a student,we should do many things to protect our earth.2021/8/8 星期日25DiscussionWhat should we do to protect our home?nWhat I want to say is that _.nIt is obvious that _.nThat _ pollutes our earth.nWhy I say so is that _.nHow we can protect it is _.nWhat

16、we should do first is that _.nWhether our earth can be protected depends on _.2021/8/8 星期日26Only if we care will we help,only if we help shall all be saved!2021/8/8 星期日271.Turn the report into a composition using the words and phrases we learned today and Subject clause.2021/8/8 星期日28confidentdiffer

17、entpatientpresentconfidencedifferencepatiencepresence2021/8/8 星期日292.Mother always comes back home in time to prepare dinner.at last,finally1.If you keep on,you will succeed in time.not late2021/8/8 星期日30certain fairpaidkinduncertainunfairunpaidunkind2021/8/8 星期日31The water from the factory _is harm

18、ful to the river.Your smoking is harmful to your childs health.is harmful to2021/8/8 星期日32动词动词过去式过去式过去分词过去分词现在分词现在分词意义意义lielaylainlying躺，位于躺，位于lieliedliedlying撒谎撒谎laylaid laidlaying搁，放，搁，放，下蛋下蛋The naughty boy _ to me that the hen that _ there just now had_ two eggs the day before.A.laid;laid;laid B.

19、laid;lay;lainC.lied;laid;lain D.lied;lay;laidD2021/8/8 星期日33Thank you for your listening!Thank you for your listening!2021/8/8 星期日342021/8/8 星期日359、静夜四无邻，荒居旧业贫。2022/11/262022/11/26Saturday,November 26,202210、雨中黄叶树，灯下白头人。2022/11/262022/11/262022/11/2611/26/2022 8:15:45 PM11、以我独沈久，愧君相见频。2022/11/262022

20、/11/262022/11/26Nov-2226-Nov-2212、故人江海别，几度隔山川。2022/11/262022/11/262022/11/26Saturday,November 26,202213、乍见翻疑梦，相悲各问年。2022/11/262022/11/262022/11/262022/11/2611/26/202214、他乡生白发，旧国见青山。26 十一月 20222022/11/262022/11/262022/11/2615、比不了得就不比，得不到的就不要。十一月 222022/11/262022/11/262022/11/2611/26/202216、行动出成果，工作出财

21、富。2022/11/262022/11/2626 November 202217、做前，能够环视四周；做时，你只能或者最好沿着以脚为起点的射线向前。2022/11/262022/11/262022/11/262022/11/269、没有失败，只有暂时停止成功！。2022/11/262022/11/26Saturday,November 26,202210、很多事情努力了未必有结果，但是不努力却什么改变也没有。2022/11/262022/11/262022/11/2611/26/2022 8:15:45 PM11、成功就是日复一日那一点点小小努力的积累。2022/11/262022/11/26

22、2022/11/26Nov-2226-Nov-2212、世间成事，不求其绝对圆满，留一份不足，可得无限完美。2022/11/262022/11/262022/11/26Saturday,November 26,202213、不知香积寺，数里入云峰。2022/11/262022/11/262022/11/262022/11/2611/26/202214、意志坚强的人能把世界放在手中像泥块一样任意揉捏。26 十一月 20222022/11/262022/11/262022/11/2615、楚塞三湘接，荆门九派通。十一月 222022/11/262022/11/262022/11/2611/26/2

23、02216、少年十五二十时，步行夺得胡马骑。2022/11/262022/11/2626 November 202217、空山新雨后，天气晚来秋。2022/11/262022/11/262022/11/262022/11/269、杨柳散和风，青山澹吾虑。2022/11/262022/11/26Saturday,November 26,202210、阅读一切好书如同和过去最杰出的人谈话。2022/11/262022/11/262022/11/2611/26/2022 8:15:45 PM11、越是没有本领的就越加自命不凡。2022/11/262022/11/262022/11/26Nov-222

24、6-Nov-2212、越是无能的人，越喜欢挑剔别人的错儿。2022/11/262022/11/262022/11/26Saturday,November 26,202213、知人者智，自知者明。胜人者有力，自胜者强。2022/11/262022/11/262022/11/262022/11/2611/26/202214、意志坚强的人能把世界放在手中像泥块一样任意揉捏。26 十一月 20222022/11/262022/11/262022/11/2615、最具挑战性的挑战莫过于提升自我。十一月 222022/11/262022/11/262022/11/2611/26/202216、业余生活要有

25、意义，不要越轨。2022/11/262022/11/2626 November 202217、一个人即使已登上顶峰，也仍要自强不息。2022/11/262022/11/262022/11/262022/11/26MOMODA POWERPOINTLorem ipsum dolor sit amet,consectetur adipiscing elit.Fusce id urna blandit,eleifend nulla ac,fringilla purus.Nulla iaculis tempor felis ut cursus.感感 谢谢 您您 的的 下下 载载 观观 看看专家告诉2021/8/8 星期日36