人教英语必修三 第四单元.ppt

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1、1.intime(forsth/todosth)eg.Shewillbebackintimefordinner/tohavedinner.1)notlate2)afteralongperiodoftimeeg.Yourhardworkwillpayoffintime.你的付出迟早会得到回报。及时终于，迟早1)Hecanbereallybad-tempered_________.2)____________Iusedtogoskiingeverywinter.3)I’mbusy___________

2、_______.Wouldyoupleasecallmebackinafewminutes?4)Don’tallspeakatonce.One___________.5)Thekidsareleavinghome___________.6)Preparewhatyouplantosayatthemeeting_____________.attimesAtonetimeforthetimebeingatatimeinnotimeaheadoftime2.atmosphere1)theatmosphe

3、re,themixtureofgasesthatsurroundstheeartheg.Manmuststoppollutingtheearth’satmosphere.2)thefeelingthataneventorplacegivesyoueg.Thetwosidesareholdingtalksinafriendlyatmosphere.大气(层)气氛3.presence/n.出席，存在eg.Hispresenceatthepartymadeushonored.present/adj.出席

4、的；目前的eg.Manypeoplewerepresentattheparty.PeoplepresentatthepartywerefromChina.Thepresentsituationisworrying.翻译：Hispresentbosswhopresented5000bookstothepoorchildrenwaspresentatthecharityparty.4.harmful,harm翻译：在阳光下读书对眼睛有害。Readinginthesunisharmfultoyourey

5、es.Readinginthesundoesharmtoyoureyes.Readinginthesunharmsyoureyes.5.multiply1)addanumbertoitselfaparticularnumberoftimes乘2乘以3等于6Twoandthreemultiplytomakesix.Twomultipliedbythreemakes/is/equalssix.2)increase增加eg.Ourproblemshavemultipliedsincelastyear.6

6、.exist/vi.1)berealoractual存在eg.Alifefreefromallworrydoesn’texist.2)continuelivingesp.withdifficultyorwithverylittlemoney;survive生存eg.Mancan’texist/survive/livewithoutwaterandair.Scientistsbelievetheuniversecameintoexistenceabout15billionyearsago.7.thu

7、seg.Theuniversitiesexpanded,thusallowingmanymorepeoplethechanceofhighereducation.8.inone’sturn轮到某人我已经扫完了地，该轮到Tom擦玻璃了。Ihavefinishedsweepingthefloor,andTom,inhisturn,shouldcleanthewindow.inturn1)依次，轮流eg.Thechildrencalledouttheirnamesinturn.2)相应，转而，继而eg.

8、Increasedproductionwillinturnleadtoincreasedprofits.增加生产会继而增加利润。taketurnstodosth.轮流做...eg.Wetaketurnstodothehousework.9.preventpreventA(from)doing...=stopA(from)doing...=keepAfromdoing阻止A做...翻译：1.我们应该防止环境受到污染。Weshouldpreventtheenvironment(from