人教版高中英语选择性必修第二册 UNIT 1 SCIENCE AND SCIENTISTS Section A Reading and Thinking.ppt

;;;Thefirstwayinwhichscienceisofvalueisfamiliartoeveryone:scientificknowledgeenablesustodoandmakeallkindsofthings.Ofcourse,ifwemakegoodthings,itisnotonlytothecredit2ofscience;itisalsotothecreditofthemoralchoicewhichledustogoodwork.Scientificknowledgeisanenablingpowertodoeithergoodorbad—butitdoesnotcarryinstructionsonhowtoapplyit.Suchpowerhasobvious3value—eventhoughthepowermaybenegatedbywhatonedoeswithit.;Anothervalueofscienceistheintellectualenjoymentitcanprovideuswith.Whenwelookatanyquestiondeeplyenough,wefeeltheexcitementandmystery4comingtousagainandagain.Withmoreknowledgecomesadeeper,morewonderfulmystery,inspiringonetolookdeeperstill.Neverconcernedthattheanswermayletusdown5,withpleasureandconfidenceweturnovereachnewstonetofindunimaginedstrangenessleadingontomorewonderfulquestionsandmysteries.

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Itisourresponsibilityasscientists,knowingthegreatprogressthatisthefruitoffreedomofthought,todeclare6thevalueofthisfreedom;toteachhowdoubtisnottobefearedbuttobewelcomedanddiscussed;andtodemandthisfreedomasourdutytoallcominggenerations.

(节选自译林版新教材必修第三册Unit4);【词汇积累】

1.involvevt.包含;牵涉,影响;(使)参加

2.creditn.赞扬,认可;信用vt.存入金额;把……归于

3.obviousadj.显而易见的

4.mysteryn.神秘

5.letsbdown让某人失望

6.declarevt.表明,宣称;公布,宣布;申报;Part1Readingcomprehension;;第一步速读课文理清脉络

Task1Readthetextquicklyandfindoutwhatitismainlyabout.

A.Howcholeraspread.

B.Whatcausedcholera.

C.Wherecholerawasmostserious.

D.HowSnowfoundthecauseofcholera.;Task2Readthetextagainandmatcheachparagraphwithitsmainidea.

Para.1 A.IntroductionofcholeraandSnow.

Para.2 B.Snowfoundthecauseofthedisease.

Para.3 C.Snow’scontributionstothemedicalworld.

Para.4 D.TheprocessofSnow’sinvestigationbyusingamap.

Para.5 E.Snow’sinvestigationintothecauseofthedisease.;Task