高二英语教案：Unit7词汇解释和重难点释疑.pdf

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1、Unit7Livingwithdiseases一、词汇1.persuadev.cause(sb)byreasoning(todosth)persuade的意思时“说服”，否则与try连用e.g.(1).Wepersuadedhimtostopsmoking.(2).Wetriedtopersuadehim,buthewouldn’tlistentous.persuadesb说服某人e.g.Hehaspersuadedhisfriend.persuadesbtodosth说服某人做某事e.g.I’llpersuadehertogo

2、withyou.persuadesbinto（doing）sth:causesbtodosthe.g.Tomcouldn’tpersuadeTommyintoacceptinghisterms.汤姆没能说服汤米接受他的条件。persuadesboutof（doing）sth：causesbtostopdoingsthe.g.Ipersuadedhimoutoftheideaofdroppingtheexperiment.我劝他打消了中断实验的念头。2.lackn.(常与of连用)want,need,shortagee.g.The

3、reisnolackofvegetables.Itwaslackofcurrentcapitalthatdefeatedtheirbusiness.由于缺少流动资本，他们的企业宣告失败。vt.&vi.nothave;havelessthanenoughofe.g.Helackscourage.Thesephotographslackdefinition.You’dbetterhavethemtakenagain.这些照片不够清晰，你最好重拍。belackinginsth:nothaveenoughofite.g.Heislack

4、ingincourage.=Helackscourage.belacking:beinshortsupplye.g.Moneywaslackingfortheplan.=Therewasnomoneyfortheplan.3.contraryadj.opposite(innatureortendency)e.g.Theboywasswimminginadirectioncontrarytothecurrent.那个男孩逆流游去。adv.(常与to连用)againste.g.Hepassedtheexamination,contr

5、arytowhatIexpected.他考试及格了，和我预料的情况相反。n.(前面与the连用)oppositee.g.---Youmustbetired.你一定很累了。---Onthecontrary,Ifeelwideawake.相反，我觉得很清醒。4.infectvt.givedisease,feelings,ideas,toaperson,hisbodyorminde.g.Oneoftheboysintheclasshadafeverandhesooninfectedotherchildren.Sheinfectedth

6、ewholeclasswithherlaughter她的笑声感染了全班同学。5.availableadj.①.(ofobjects)abletobeused②.(ofpersons)abletobepresente.g.I’msorry,thoseovercoatsarenotavailableinyourcolourandsize.对不起，这种外套第1页共5页没有你要的颜色和尺码。Attention,please.Theseticketsareavailableon(the)dayofissueonly.请注意，这种车票仅在发

7、售当天有效。Thelawyerisnotavailablenow.律师现在没空。Areyouavailableforameetingtomorrowmorning?你明天上午能出席会议吗？6.limitn.lineorpointthatmaynotorcannotbepassed;greatestorsmallestamount,degree,etcofwhatispossiblee.g.ThereisalimittotheamountofmoneyIcanafford.我能付得起的钱数是有限的。Thespeedlimitist

8、hefastestspeedyouareallowedtodriveacarat.限速是允许驾车的最快速度。vt.(与to连用)putalimitorlimitsto;bethelimitofe.g.Mymotherlimitstheamountoffoodth