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Unit11Turnitdown!Doyoulikethese?你对分贝了解多少?•分贝(decibel)dB分贝是以美国发明家亚历山大·格雷厄姆·贝尔(英国人,后移居美国)命名的,他因发明电话(1875年贝尔制成了实用的电话装置,1876年建起了世界上第一家电话公司。)而闻名于世。••你知道一个声音与另一个声音结合时,会产生什么结果吗?我们都知道60个苹果加60个苹果,等于120个苹果。但是,这并不适用于以分贝来表示的声音。事实上,60分贝加60分贝只等于63分贝。•分贝对人的影响有什么?•★10~20分贝几乎感觉不到。•★20~40分贝相当于轻声说话。•★40~60分贝相当于室内谈话。•★60~70分贝有损神经。你对分贝了解多少?★70~90分贝很吵。长期在这种环境下学习和生活,会使人的神经细胞逐渐受到破坏。•★90~100分贝会使听力受损。•★100~120分贝使人难以忍受,几分钟就可暂时致聋。•一般声音在30分贝左右时,不会影响正常的生活和休息。•而达到50分贝以上时,人们有较大的感觉,很难入睡。•维塔斯的高音是105分贝,而飞机起飞时螺旋桨发出的声音才110分贝!•Lucy:Dad,thatmusic’sloud!•Turnitdown!•William:Sorry,Lucy!•AmIinterrupting•yourhomework?•Lucy:It’snotthat,Dad.•Wehadalessontoday•abouthearing.•Lookatthis.Unit11Turnitdown!NotesontheText•interrupt&interruptionn.•e.g:Hetriedtospeak,•butsheinterruptedhim.•interrupt是打断的意思,主要打断别人正在进行的事情,如谈话,或者工作。•disturb是打扰的意思,主要是打扰别人休息。•bother是烦扰的意思,主要是指在某一时间段里,持续打扰别人并使别人烦恼。•that,代词,指代前面的一整句。•OnepersoninsevenintheUKisdeaf,andmanyofthemaredeafbecauseofnoise.•Formostpeople,thesafelimitis85decibels(dB)forcontinuousnoise,and103dBforsuddennoise.Afterfifteenminutesat105dB,mostpeoplewillhavesomedamagetotheirhearing.Unit11Turnitdown!NotesontheText•OnepersoninsevenintheUKisdeaf•谓语动词用单数,两个in分别表示时间和地点,不做主语。•becauseof,of为介词,后跟名词。•e.g:I'mherebecauseofyou.•becauseconj.其后接原因状语从句或回答以why开头的问句;•e.g:Becauseheisill,heisabsenttoday.•decibel复数:decibels•e.g:Continuousexposuretosoundabove80decibelscouldbeharmful.•Musicinnightclubsisoftenmuchlouderthanthesafelimit.19%ofyoungpeoplelistentotheirMP3playersat105to110dBformanyhours.75%ofthemwillexperience‘ringingintheears’,andtheywillfeelabitdeaf.Iftheyarelucky,thiswilllastforoneortwodays.Iftheyareunlucky,thedamagewilllastforever.Unit11Turnitdown!NotesontheText•muchlouder,通常用much修饰形容词或副词的比较级,表示...得多。•类似的词还有abit,alittle,rather,far,byfar,many,alot,lots,agreatdeal,any,still,even•e.g:Wewillbeamuchbetterfootballteamnextyear.•experiencen.经验,(不可数名词);经历•vt.亲身参与,亲身经历;感受;发现•e.g:Hehasalsohadmanagerialexperienceoneverylevel...•Ishouldnotbeinanydangerhere,butexperiencehastaughtmecaution...•Wehadneverexperiencedthiskindofholidaybeforeandhadnoideawhattoexpect...•Lucy:You’realwayslisteningto•loudmusic,Dad.•Ifyouaren’tcareful,•you’llbecomedeaf.•William:Sorry,Lucy!•Whatdidyousay?•Lucy:Oh,Dad!Itisn’tfunny!•William:Ofcourseitisn't.•AndIwill•turnthesounddown.•Ipromise!Unit11Turnitdown!条件状语从句NotesontheText•Iftheyarelucky,thiswilllastforoneortwodays.•在由if引导的条件状语从句中,我们遵循主将从现的原则。即:主句用一帮将来时,从句用一般现在时。•e.g:Ifitisfinetomorrow,wewillgoouting.•在时间状语从句中,我们也遵循主将从现的原则。•常见的时间状语从句的连词有:assoonas,when,while,as,until等。•e.g:WhenIgrowup,I’llbeanurseandlookafterpatientsNotesontheText•promise(v.允诺,许诺)todosth•e.g:Hepromisedtohelpus.•Ican'tgiveyouthebookbecauseI'vepromisedittoSusan.•n.许诺;希望,指望;允诺的东西•e.g:Givemeyourpromisethatyou'llneverbelate•again.•与turn相关的词组•turndown降低音量turnup开大音量•turnon打开turnoff关闭Keywords•fail[feil]--failure['feiljə]n•1.表示“失败”,通常是不及物动词。表示在某一方面失败,通常用介词in。•e.g:Hefailedinbusiness.他经商失败。•2.表示“(考试)不及格”,fail可用作及物或不及物动词(以及物动词为多见),所以在下面例句中fail后的介词in省略了:•Hefailed(in)hisdriving-test.他驾驶考试没及格。•3.其后可接不定式,意为“不能”“没有”“忘记”等。e.g:Hefailedtopasstheexam.他考试没有及格Keywords•apologezevi.道歉,认错;辩解,辩护•e.g:Iapologizeforbeinglate...•Apologizetoyourhusbandforanythingyoudidwrong•习惯用语•apologizetosb.•向某人道歉•apologizetosb.forsth.•向某人为某事(为做了某事)道歉•apologizetosb.fordoingsth.•向某人为某事(为做了某事)道歉•apologizeforoneself•为自已解辩或辩护NewwordsandExpressions•damagen.损害•nightclubn.夜总会•MP3playern.MP3播放器•experiencev.经历,体验•ifadv.conj.如果•unluckyadj.不幸的,倒霉的•foreveradv.永远•leveln.水平•itdoesn'tmatter没关系•hirev.租用NewwordsandExpressions•loudadj.大声的,喧闹的•turnitdown把...关小,调低•interruptv.打断•hearingn.听觉•soundn.声音,响声•deafadj.聋的•limitn.限度,极限•decibeln.分贝(音量单位)•continuousadj.连续不断的•suddenadj.突然的NewwordsandExpressions•failv.没有通过(考试)•accidentn.事故•ambulancen.救护车•robberyn.抢劫•firen.火灾,失火•fireservicen.消防署,消防队•thiefn.贼,小偷•prisonn.监狱•apologizev.道歉•adayoff休息一天•popconcertn.流行音乐会流行音乐会ambulancecontinuousfaillimitleveldamageloud事故prison打断听觉deafthiefhire没关系抢劫分贝nightclub消防队突然的apologize不幸的WhatwillyoudoifyoumeetJames?I’ll…….WhatwillyoudoifyoumeetLeeMinho?I’ll…….WhatwillyoudoifyoumeetJustinBieber?I’ll…….WhatwillyoudoifyoumeetAudreyHepburn?I’ll…….Goodlooksmayfade,butagoodheartkeepsyoubeautifulforever.losethewayfailtheexamIknowI'mnotyoung,butIstillhavetosay:verylookingforwardtothenextyear.我知道我不年轻了,但是我还是要说,我期待明年再来。(李娜)
本文标题:新概念青少版3A-unit-11(共27页)
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