Unit3TheworldofScienceUsinglanguage课件高一下学期英语

Unit3

TheworldofscienceUsinglanguageComparesentencesa&cwithsentencesb&dandanswerthe2questions.a.Iguessyouhavebeenaskedaboutthetitleofyourbookbefore.b.Newinventionslike3Dprintershavebeenusedtomakereplacementheartsandboneparts.c.Iguesssomeonehasaskedyouaboutthetitleofyourbookbefore.d.Peoplehaveusednewinventionslike3Dprinterstomakereplacementheartsandboneparts.1:Whatisthedifferencebetweenthetwogroupsofsentences?(Payattentiontothesubject&predicate)2:Whydoestheauthorchoosetousesentencea&binsteadofsentencec&dinthereadingpassage?a.Iguessyouhavebeenaskedaboutthetitleofyourbookbefore.b.Newinventionslike3Dprintershavebeenusedtomakereplacementheartsandboneparts.c.Iguesssomeonehasaskedyouaboutthetitleofyourbookbefore.d.Peoplehaveusednewinventionslike3Dprinterstomakereplacementheartsandboneparts.1:Whatisthedifferencebetweenthetwogroupsofsentences?(Payattentiontothesubject&predicate)2:Whydoestheauthorchoosetousethepassiveforminsteadoftheactiveforminthereadingpassage?Theyhavedifferentsubjectandpredicate.sentencea&b:passivevoicesentencec&d:activevoiceToemphasize/stressthereceiveroftheaction.Nowlookformoresentenceswiththepresentperfectpassiveinthereadingpassage.1.I’llbetalkingtoDrRichardFairhurst,whosenewbookTheNewAgeofInventionhasjustbeenpublished.2.Iguessyouhavebeenaskedaboutthetitle...before.3.Inaddition,importantadvanceshavebeenmadeinmedicineand...power.4.Newinventionslike3Dprintershavebeenusedtomakereplacementheartsandboneparts.5.Ihavealsobeentoldthatyou’reaninventoryourself.6.NothinglikethishasbeeninventedyetandI’dsaywe’realongwayfromaninventionlikethatatthemoment!

回顾文本,用所给词正确形式完成下列句子,体会句中使用的时态和语态。1.Thisevening,I’llbetalkingtoDrRichardFairhurst,whosenewbookThe

New

Age

of

Invention

___just______________(publish).hasbeenpublished我想你以前已经被问过关于你的书题目的问题。2.Iguessyou_______________(ask)aboutthetitleofyourbookbefore.___________________________________________havebeenasked我想你以前已经被问过关于你的书题目的问题。3.Inaddition,importantadvances_______________(make)inmedicineandenvironmentalsciencethankstoincreasingcomputerpower.____________________________________________________________havebeenmade此外,由于计算机能力的提高,医学和环境科学也取得了重要进展。4.Newinventionslike3Dprinters______________(use)tomakereplacementheartsandboneparts.____________________________________________________________5.I_____also_________(tell)thatyou’reaninventoryourself._________________________________havebeenused像3D打印机这样的新发明已经被用来制造替换的心脏和骨骼部分。havebeentold我也被告知你本人就是一位发明家。6.Nothinglikethis________________(invent)yetandI’dsaywe’realongwayfromaninventionlikethatatthemoment!_________________________________________________________________________hasbeeninvented还没有像这样的东西被发明,而且我得说目前我们离这样的发明还有很长一段路。将主动语态改成被动语态：1:Iguesssomeonehasaskedyouaboutthetitleofyourbookbefore.

Iguessyouhavebeenasked(bysomeone)aboutthetitleofyourbookbefore.Newinventionslike3Dprintershavebeen

usedbypeopletomakereplacementheartsandboneparts.Peoplehaveusednewinventionslike3Dprinterstomakereplacementheartsandboneparts.主动语态变被动语态口诀：

宾语提前主语变，原主变宾by后见，时态人称be关键。

现在完成时的被动语态1:意义：现在完成时的被动语态强调过去的动作对现在造成的影响或结果,但主语为动作的承受者,表示“……已经被……”。2：结构：基本结构“主语+have/hasbeendone”

否定式:have/hasnotbeendone。

一般疑问句形式：Have/Has+主语+beendone。

特殊疑问句形式:特殊疑问词+have/hasbeendone。3：使用情况：1）：不知道或没有必要说明动作的执行者2）:强调动作的承受者，而不强调动作3）:动作的执行者很模糊4）:有时为了礼貌的需要，避免说出动作的执行者4：标志词：通常与already,yet,just,never,recently，uptonow,untilnow,sofar,inthepast/last+时间段等连用。【即学活用】(1)Theexperiment_____________successfully.这个实验做得很成功。(2)Thebooks______________________bythestudents.那些书还没有被学生们借走。hasbeendonehavenotbeenborrowed(3)____thesportsmeeting___________untilnextFriday?运动会已经推迟到下周五了吗? (4)Soeventheolivewreath________________.就连橄榄枝花环也被取代了。（5）_________hastheprojectbeencarriedout?这项工程已被实施多长时间了?

HasbeenputoffhasbeenreplacedHowlongRewritetheunderlinedpartsusingthepresentperfectpassive.Withinthenext80years,ourlivesmaybechangedbeyondrecognitionby3Dprinting.lthasalreadyaffectedmanythingsinourlives,rightdowntothefoodweeat.Forinstance,somerestaurantsinLondonhaveserved3D-printedhamburgerstocustomers.Manythingshavebeenalreadyaffectedinourlives...3D-printedhamburgershavebeenservedtocustomersbysomerestaurantsinLondon.Butperhapsthemostsignificantsuccessthatpeoplehaveachievedtodateisinmedicine.Theyhavemadehumanbodyparts,includingabeatingheart,with3Dprintingtechnology.Anditisnotjusthumanswhoarebenefiting-inBrazil,peoplehavegivenanew3D