湖北省武汉为明学校人教版高中英语必修三unit4Languagepoints2胡玄导学提纲

为明学校（英语学科）编号：262018年04月日编制人：课题：b3u4languagepoints2班级:姓名:小组:评价:【学习目标】学习和掌握重点短语和句型【重点难点】教学重点allowsb.todo;beharmfulto;名词性从句等教学难点Understandthedifficultsentences【导学流程】一、基础感知1．________________及时，终于2．________________下蛋3．________________产生；分娩4．________________轮到某人；接着5．________________阻止；制止6．________________挡住(光线)7．________________感到高兴；感到振奋8．________________既然9．________________突发；爆发10．_________密切注视；当心；提防二、深入学习重点短语3.Whatmanyscientistsbelieveisthatthecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.allowvt.允许、许可、容许allow+n./pron./doingallowsb.todobeallowedtodo及时练语法填空1)Myfatherdoesn’tallow________（smoke）athome.Infacthedoesn’tallowus________（smoke）anywhereatanytime.父亲不允许在家里吸烟。实际上，他不允许我们在任何地方任何时候吸烟。2)Arewe________(allow)tousetheputer?我们可以用电脑么？翻译句子3）我的老板不允许我用。___________________________________________________________________

4)我们不许在池子里游泳。___________________________________________________________________beharmfulto对…有害doharmtosb.=dosb.harm 伤害某人，对某人有害处及时练语法填空1)Pollutionisespecially_________(harm)toanimals.2)___________(smoke)willdoyoualotofharm.翻译句子3)果汁可能损坏儿童的牙齿。___________________________________________________________________4)这对我们是好还是坏很难说。__________________________________________________________________重点句型1.Whatitwastobeewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.随后它会变成什么没人能知道，直到3845亿年前，这团尘埃才慢慢地形成一个固体的球状物。【分析】a.此复合句的主句为Whatitwastobeewasuncertain；从句为_____引导的定语从句。b.主句中包含一个由what引导的______从句。c.until是介词，与其前带否定前缀的形容词uncertain构成not...until句式，表示“到……才，在……之前”及时练语法填空1）______surprisedeverybodyisthathedidn’tetothemeeting.2）_______hedidaddedtoourdifficulty.2.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.地球开始变得激烈动荡，不知道这个固体形状是否继续存在下去。【分析】a.此复合句的主句为Theearthbecamesoviolent；从句为_____引导的结果状语从句。b.结果状语从句中包含一个由whether引导的主语从句，____是形式主语。及时练语法填空

_____isuncertainwhetherhe'llethisevening.

3.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.水会对于生命的发展起关键作用,这一点在当时并不太明显.【分析】本句体现的是名词性从句在句中作_____的作用,虽然是以it开头,可是It只起到形式主语的作用,真正的主语是_____________________________________及时练语法填空________isstrangethatheshouldquarrelwithhisparents.4.Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.【分析】it作_________，其真正的宾语是___________。及时练语法填空1)Ifinditdifficult_________(learn)Englishwellinashorttime.2)Ifind_____possibletofinishsomuchworkinashorttime.三、迁移运用【堂测堂练】单句语法填空1.Wefeel_____ourdutytomakeourcountryabetterplace.2._____wecan’tgetseemsbetterthan____wehave.3._____madetheschoolproudwas_____morethan90%ofthestudentshadbeenadmittedtokeyuniversities.4.Theteachermadeiteasyforthem____________