人教必修3unit4 astronomy语言点讲解课件.ppt

《人教必修3unit4 astronomy语言点讲解课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Languagepoints1.Whatitwastobecomewasuncertainuntil…他昨天直到七点才离开学校.Hedidn’tleaveschooluntilseveno’clock.他们到了中国才能看了长城.Thecouldn’tseetheGreatWalluntiltheycametoChina.ItwasnotuntiltheycametoChinathattheycouldseetheGreatWall.Not…until…直到…才…Itis/wasnotuntil…that…强调句Itwasnotuntilseveno’clocktha

2、theleftschool.(sth)beto(do):1.不可避免要发生或必须发生。Theysaidgoodbye,littleknowingthattheywerenevertomeetagain.Sheistobehonouredforthisgreatwork.2表示按计划、安排要发生的动作WeweretohavebeenmarriedlastweekThetrainistoarriveinBeiJingat10:25Tellhersheisnottobebacklate!3表命令2.Theywereintimetoproducecarbon,…,which

3、weretomakeimportantisintime:及时;最终intime(forsth./todosth.):及时；不迟我迟早会遇见他.I’llseehim________.她会及时回来准备晚餐.Shewillbeback__________preparedinner.你认为我们能及时赶上火车吗?Doyouthinkwecangetthere_________thetrain?intimeforintimeintimeto与time相关的短语:ontime按时;准时Innotime立刻,马上attimes有时atatime每次;依次onceuponatime从

4、前cool1)v.Pleaseopenthewindowtocooltheroom.Don’tdrinktheteabeforeitcoolsalittle.2)adj.凉爽的，冷静的，沉着的，冷漠的，冷淡的be/get/seem/keepcoolHissongsreceivedacoolresponsefromthepublic.4.Astheearthcooleddown,waterbegantoappearonitssurface.随着地球的冷却,地球的表面就开始出现了水。cooldowna.凉快起来，冷却b.指人的心境“平静下来，使…平静下来”Aheated

5、argumentcanbesettledbetterifbothsidescooldownfirst.Itriedtocoolherdownbutshewasstillveryangrywhensheleft.Don’tcovertheTVuntilitcoolsdown.allowedtheearthtodissolveharmfulgases…allowsb.todo…=permitsb.todo…Myfatherdoesn’tallow_________athome.Infacthedoesn’t_________________anywhereatanyti

6、me.2)Harmfuladj.Opp:harmlessharmn.beharmfultosb./sth.=doharmtosb./sth.对…有害过多的二氧化碳对环境有害.Toomuchcarbondioxideisharmfulto/doesharmtotheenvironment.smokingallowustosmokeThisproducedachainreaction,whichmadeitpossibleforlifetodevelop.Chainreaction连锁反应Makeitpossibletodo使….成为可能makeit+adj.+(for

7、sb.)todosth.组长让我们可以一起合作.Thegroupleader____________________________老师让他们跟容易地明白那个问题.Theteacher_______________________________.madeitpossibleforustoworktogether.madeiteasyforthemtounderstandthequestion.5.Theymultipliedandfilledtheoceansandseaswithoxygen,whichencouragedthe1)Multiplyv.乘,增