人教版（2023）选择性必修第一册Unit 1 People of Achievement Build up your vocabulary 课件(共14张PPT)

第第页人教版（2023）选择性必修第一册Unit1PeopleofAchievementBuildupyourvocabulary课件(共14张PPT)(共14张PPT)

Unit1

peopleofachievement

buildupyourvocabulary

Step1Howwasartemisinindiscovered

1.Artemisininisa__________(关键性的)newtreatmentformalaria.

2.Chinesegovernmentformedateamofscientistswiththe__________(目标)ofdiscoveringanewtreatmentformalaria.

3.Theirprojectgotstuck.However,TuYouyouwouldnot____________(承认)defeat.

4.Boilingthesweetwormwood___________(明显地)destroyeditsmedicalproperties.

5.Tuandherteammemberseven________(坚持)ontestingthemedicineonmalariapatients,mostofwhomrecovered.

crucial

objective

acknowledge

apparently

insisted

Step2Writedonwthewordthatmatcheseachdefinitionandfindthesentencescontainingthesewordsinthetext.

*cooksomethinginveryhotwater

*relatingtoplants

*qualitiesorcharacteristicsofsomething

*akindofsubstancethatflowsfreely,suchaswaterormilk

*physicalmaterialthatexists

boil

botanical

propeties

liquid

substance

Step2Writedonwthewordthatmatcheseachdefinitionandfindthesentencescontainingthesewordsinthetext.

boil

botanical

propeties

liquid

substance

TuYouyouandherteamfirsttried___________sweetwormwoodandusedthe_______obtained,onlytofinditdidn'tworksinceitsmedical____________weredestroyed.Itwasnotuntilsheusedalowertemperaturethatthe_____________namedartemisinin,a___________treatmentformalaria,wassuccessfullyextracted.

Exercise:usethewordswithcorrectformstofilltheblanks.

boilbotanicalpropertiesliquidsubstance

boiling

liquid

properties

substance

botanical

Step3Guessthemeaningoftheunderlinedwordsandfillintheblankswithwordsthathavethesameroots.

1.Thetwoflowersarequitedistinctfromoneanother,soitiseasytomakea_____________betweenthem.

2.Scientistsneedto____________howthenewmaterialstandsuptowearandteartoprovehowvaluableitis.

3.Atalentedscientistwellknownforhis____________tohiscountry,HuangDaniancommittedhimselftohisresearchingeophysics.

4.A:Didyoucometoanyconclusions

B:Yes,we__________thatbydrawingouttheextractatalowtemperature,wecouldfindthesubstancethatweneededtocompletetheexperiment.

5.Shespendsalotoftime___________herpatients’dreams.Thisanalysisisveryhelpful,explainingtheirdailybehaviourverywell.

distinction

evaluate

commitment

concluded

analysing

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Howcanweguessthemeaningofwords

派生法

n.差别，对比；优秀，卓越

makeadistinction

adj.独特的，与众不同的

adistinctivestyle

adj.模糊不清的

v.区分，辨别；使有别于

distinguishAfromB

Useyourdictionarytofindoutthemeaningofthewords.

adj.坚定的

be~to(doing)sth.

n.承诺；奉献

makea~todosth.

n.职员会；佣金

v.承诺；犯罪

~acrime犯罪

~Ato(doing)sth.把A投入到

~sb./sth.todoingsth.承诺做某事

n.结论

cometo/draw/reacha~

bringsth.to~使...结束

adj.结论性的，确定的

~evidence

adj.结束的，结尾的

~remarks结束语

Useyourdictionarytofindoutthemeaningofthewords.

vt.评价，评估

n.评价，评估

adj.有价值的

adj.极宝贵的，极有用的

adj.没有价值的=worthless

n.分析

adj.分析的；善于分析的

n.分析仪；分析者

派生法

前缀prefix

后缀suffix

作用：改变词义

incorrectimpossibleirregularillegalunfinished

dislikemisunderstanddecolor

reunionexport

作用：改变词性或词义

able/ful/less/al/ous/ent形容词

tion/sion/ment/ness/ce名词

ize/en/fy动词

ly副词

Step4ReadthepassageaboutLuXunandfillintheblankswiththecorrectformsofthewordsinthebox.

insistobtainobjectiveacknowledgeapparentlycrucial

acknowledged

objective

apparently

crucial

obtained

insisted

Howcanweachievesuccess

Exercise

1．ItoccurredtomethatIcouldaskmycousintohelpmeo_______avisa.

2．Shea__________havingbeencheatedinthemarket.

3．Itisdifficultto________(评估)thedamagetothisvillage.

4．Hesitsdownand__________(分析)whyshefeelssoupset.

5．Hepaused，__________(显然地)lostinthoughtstaringatthebook.

6．She______（坚持）thatIgotothelibrarywithher.

7．Althoughhiswifeisyoung，sh