高中英语人教大纲第二册下Unit11 Scientific achievements第四课时.docx

高中英语人教大纲第二册下Unit11 Scientific achievements第四课时.docx

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高中英语人教大纲第二册下Unit11Scientificachievements第四课时

2019-2020年高中英语（人教大纲）第二册下：

Unit11Scientificachievements（第四课时）

TeachingAims:

1.Learnandmasterthefollowingwordsandphrases:

boom,putforward,breakthrough,agency,announce,evolution,superputer

2.Trainthestudents’integratingskills,especiallyreadingandwritingskills.

TeachingImportantPoints:

1.Helpthestudentsunderstandthepassagesexactlyandmasterthefollowingwordsandphrases:

putforward,aimat,announce,mapout

2.Learntowriteapersuasionessaytotrainthestudents’writingability.

TeachingDifficultPoint:

Howtohelpthestudentsfinishthetaskofwriting.

TeachingMethods:

1.Fastandthencarefulreadingtoimprovethestudents’readingability.

2.Learningtipstohelpthestudentslearntowriteapersuasionessay.

3.Individual,pairorgroupworktomakethestudentsfinisheachtask.

TeachingAids:

1.themultimedia

2.theblackboard

TeachingProcedures:

☞StepⅠGreetings

Greetthewholeclassasusual.

☞StepⅡRevisionandLead-in

T:

Yesterday,welearnedalotaboutWordFormation.Weknowsomewordsarederivatives,somearepounds,andothersareshortforms.Canyougivemesomeexamplesforeachwayofformingaword?

Giveafewderivations,please?

S1:

unhappy,happiness,happily,friendship…

T:

Somepounds?

S2:

blackboard,firefighter,hard-working,handbag…

T:

Someshortforms?

S3:

e-book,e-mail,UFO,DNA,WTO,OPEC…

T:

Youalldidagoodjob.Now,pleaselookatthescreenanddotheexercise.Threeminuteslater,I’llcheckyouranswers.

（Showthefollowingonthescreen.）

Studythesentencesandguessthemeaningofeachunderlinedword.Explainhowthewordisformed.

1.Theaverageoutputofthefactoryis20carsaday.

2.Shehaswrittengoodessaysbefore,butthisoneissubstandard.

3.Heisakindofintellectualsuperman.

4.Thelackofamonlanguagemadeitverydifficulttointermunicate（witheachother）.

5.Transplanttheseedlingsintopeatysoil.

6.Haveyoureadane-book?

7.WhendidChinajointheWTO?

8.Theyhelpedustomapoutalong-termplan.

Suggestedanswers:

1.output=out+put产量

2.substandard=sub-+standard低于标准的，不够标准的

3.superman=super-+man超人

4.intermunicate=inter-+municate互相联系

5.transplant=trans-+plant移植

6.e-book=electronic+book电子图书

7.WTO=WorldTradeOrganization世贸组织

8.long-term=long+term长期的

T:

Welldone.Inthisunit,we’velearnedmuchaboutscienceandscientificachievement.CanyougiveanexampleofscientificachievementofChina?

Ss:

OnOct.15,xx,ShenzhouⅤwassuccessfullysentupintospace,realizingtheChinesedreamofmannedspaceflight.

T:

Yes.It’sreallyasignificantscienceachievement.Sincetheearly1990s,Chinahasbeenenjoyingaboominscientificandtechnologicaldevelopment.Inmanyfields,Chinahasachievedgreatsuccess.Today,we’vegoingtoreadaboutsomescientificachievementsinChina.First,let’slearnthenewwords.

（Teachershowsthescreenanddealswiththenewwords.）

boom/bu：

m/n.（经济、工商业等的）繁荣（期），迅速发展期；（营业等的）激增

putforward提出；建议；推荐

△rejuvenate/rI′dｕ：

ｖｎｅIｔ/vt.使返老还童；使恢复（青春）活力

breakthrough/′breIk，ｒｕ：

/n.（知识或技术领域的）重大突破；重大进展（发现）；（军事上的）突围

△impressive/Im′presIv/adj.激动人心的；感人的；给人深刻印象的

agency/′eIdｎｓI/n.（行政或职能）机构；代理机构

announce/′nans/vt.宣布，宣告

△genome/′di：

nm/n.基因组；染色体组

△element/′elImnt/n.元素；要素；组成部分

evolution/ｉ：

ｖ′ｌｕ：

ｎ/n.发展；展开

△byte/baIt/n.［计］字节；比特

superputer/,sjuｐｋｍ′ｐｊｕｔ（r）/n.超级计算机

△humanoid/′hjuｍｎId/adj.具有人的形状或特点的；类人的

☞StepⅢReading

T:

OK.NowpleaseopenyourbooksatPage7.LookatReadingandWriting.Readeachpassagequicklyandfindouttheanswerstothefollowingtwoquestionsonthescreen.

（Teachershowsthefollowingonthescreen.）

1.WhatplanhashelpedChinesescientistsmakemanybreakthroughs?

2.Whichscientificfieldsarementionedinthetext?

（Afterawhile,teachercheckstheanswers.）

T:

Haveyoufoundtheanswers?

Ss:

Yes.

T:

Who’dliketoanswerthefirstquestion?

S4:

Theplanfor“rejuvenatingthenationbyrelyingonscienceandeducation”.

T:

Quiteright.Theotherquestion?

S5:

Exploringspace,geneticresearch,puterengineeringandmedicalscience.

（Teacherwritestheanswersaboveontheblackboard.）

T:

Nicework.Now,pleasereadthepassagesagaincarefully,tryingtounderstandthemmoreexactlyandpayattentiontosomedetailedinformation.Afterthat,workingroupstopletethechartafterthepassagesaccordingtowhatyou’velearntfromthetext.Afterfourminutes,I’llcheckyouranswers.

Suggestedanswers:

Exploringspace

Achievements:

TheChinesespaceAgencyhasdevelopedthehighlysuccessfulLongMarchrocketseries.

Importance:

Therocketsareusedtoprepareforthenation’sfirstmannedspaceflight.

Geneticresearch

Achievements:

Chinesescientistshavepletedmappingouttheirpartoftheinternationalhumangeneticproject.

Importance:

IthasprovedthatChinesescientistsareamongtheworld’sbest.Ithelpstosolvethemysteriesoflife.

put