人教版高中英语必修3教学案Unit 4 Section 1 含答案Word格式.docx

人教版高中英语必修3教学案Unit 4 Section 1 含答案Word格式.docx

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气氛

4．violentD．基本的；

基础的

5．atmosphereE．乘；

增加

6．fundamentalF．谜；

（使）迷惑

7．harmfulG．存在；

生存

8．multiplyH．有害的

9．existI．天文学

10．puzzleJ．系统；

体系；

制度

答案：

1～5　IJABC　6～10　DHEGF

Ⅱ.Writedownthemeaningofphrasesineachsentence.

1．Thetruthwillcometolightintime.迟早

2．Asweknow,layingeggsistheantqueen'

sfulltimejob.下蛋

3．Onceshehasmadeuphermind,nobodycanpreventherfromcarryingouttheplan.阻止

4．Whenitwasinmyturn,Iwastooexcitedtospeak.轮到

5．Janehasjustgivenbirthtotwins,sohermothermustbeinthehospitallookingafterhernow.分娩

6．Myrelationshipwiththeactorsisfundamentaltomyworkasadirector.对……（来说）是基本的

Ⅰ.Nooneknowsexactlyhowtheearthandlifebegan,butancientlegends（传说）maytellussomethingaboutit.Lookatthefollowingpicturesandfillintheblanks.

①PictureAmaytellusPanguseparatestheskyfromtheearth.

②PictureBmaytellustheGoddessNvwamendedtheheavenandcreatedhumanbeingsfromtheclay（黏土）．

③PictureCmaytellusaccordingtotheBibleGodcreatedtheworldinsevendays.

Ⅱ.Discussion:

Areyouinterestedinastronomy?

Why?

Yes,_I_am._Because_I_want_to_know_more_about_the_stars,_the_moon,_the_sun_and_the_universe._If_we_explored_and_studied_them_very_well,_we_can_serve_for_our_country_and_human_beings_very_well.

Ⅰ.Fast-reading

1．Matchthemainideawiththeproperparagraph.

Para.1　A．Theformationoftheearth.

Para.2B．Awidelyacceptedtheoryabouttheformationoftheuniverse.

Para.3C．Thedevelopmentofplantsandanimalsontheearth.

Para.4D．Thearrivalofhumansandtheirimpactontheearth.

Para.5E．Theimportanceofwaterforlife.

Paras.1～5　BAECD

2．Whatdoesthepassagemainlytellus?

A．Theimportanceofwater.

B．Howthelifebeganontheearth.

C．Howhumanbeingsappeared.

D．Howplantsappeared.

B

Ⅱ.Careful-reading

Readthetextcarefullyandchoosethebestanswer.

1．Whywaslifeabletodevelopontheearthbutnotonotherplanets?

A．Theearthhadasolidshape.

B．Theearthdidn'

thaveharmfulgasesinitsatmosphere.

C．Thewaterstayedontheearthbutnotonotherplanets.

D．Theearthwasnottoohotandnottoocold.

2．Whyareplantsimportantontheearth?

A．Theyproduceoxygenforanimals.

B．Theyprovidetheshadeforanimals.

C．Theyprovideabeautifulscene.

D．Theyprotectthesoilfrombeingdestroyed.

3．Whatisthecorrectorderaccordingtothetext?

①Thecleveranimalswithhandsandfeetappearedandspreadallovertheearth.

②The“BigBang”．

③Smallplantsbegantoappearonthesurfaceofthewater.

④65millionyearsago,theageofthedinosaursended.

A．②①③④　　　　B．④③①②

C．②④③①D．②③④①

4．Earlyhumansappearedafterdinosaursdiedout________millionyearslater.

A．67.6B．62.4

C．65D．140

1～4　CADB

Ⅲ.Study-reading

Analyzethefollowingdifficultsentencesinthetext.

1．Nooneknowsexactlyhowtheearthbegan,asithappenedsolongago.

[尝试翻译]　没有人确切地知道地球的起源，因为那是很久以前的事了。

2．Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.

[尝试翻译]　随后它会变成什么没人能知道，直到38－45亿年前，这团尘埃才慢慢地形成了一个固态的球体。

3．Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.

[句式分析]　这是一个复杂的句子。

what引导主语从句；

that引导表语从句；

as在表语从句中引导状语从句。

[尝试翻译]　更重要的是，随着地球的不断冷却，地球表面出现了水。

4．Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.

[尝试翻译]　所以在未来的千百万年中，生命能否在地球上延续下去将取决于这个问题能否得到解决。

　　　　　　　　　　　　　[对应学生课下能力提升（十三）]

阅读理解

A

Ofalltheplanets,nonehascaptured（吸引）theworld'

simaginationlikeMars.Itsreddish（淡红的）colorandchangesinbrightnessovertimemaketheplanetanunforgettablesight.

InCosmos,thetelevisionscienceseriesfromthe1980s,scientistCarlSagantalkedaboutsometraditionalideasaboutMars.SomeoftheseideasarefromtheEnglishsciencefictionwriterH．G.Wells'

TheWaroftheWorlds.OthersarefromthemistakenscienceofPercivalLowell,theAmericanastronomerwhobelievedintelligentbeingslivedonMars.WellsdescribedMartiansasthreatening.Lowellimaginedthemasthehopefulengineersofgreatworks.CarlSagansaidthatbothideasinfluencedthepublicdeeply.

Today,Marscontinuestoexcitehumans—notastheobjectofsciencefictionbutofscientificstudy.Spacescientistshavecollectedawealthofinformationfromspacecraftsthathaveorbited（沿轨道运行）,landedonanddugintotheMartiansurface.

TheSmithsonian'

s“MarsDay”offeredachanceforpeopleofallagestotouchMars,oratleastapieceofit.AllisonandAlyciafromSilverSpring,Maryland,broughttheirchildren,Grace,Sam,RyanandEmma.TheyheardaboutMarsanditsgeologyfromexperts.TheycouldseeatestversionoftheVikinglan