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时间:2020-07-05
《高中英语《Unit7 The Sea Lesson 3 The Sea WorldPeriod 3 课文重难句导学》导学案 新人教版必修3.doc》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、河南省沁阳一中高二英语《Unit7TheSeaLesson3TheSeaWorldPeriod3课文重难句导学》导学案目标:Tomastertheimportantlanguagepointsinthislesson.1.It’sthreetimesasbigunderwater.水下部分事水上部分的三倍。Somefishcanproducesoundsalmosttwiceasloudasyourspeakingvoice.有些鱼发出的声音几乎是你讲话声音的两倍。解析:句中threetimesasbig和twic
2、easloudas意为“三倍大”和“两倍大”为倍数表达,是“倍数+as+形容词原级+as”结构,①该句是省略句,其完整形式应为:It’sthreetimesasbigunderwaterasitisabovethewater.倍数表达法:1)倍数词+as形容词/副词原级+as+其他Thisropeisthreetimesaslongasthatone.2)倍数词+形容词/副词比较级+than+其他Thisropeisthreetimeslongerthanthatone.3)倍数词+the+名词(size,heig
3、ht,weight,length,width等)+of+其他Thisropeisthreetimesthelengthofthatone.应用:Thisrestaurantwasn’t_____otherrestaurantwewentto.A.halfasgoodasB.ashalfgoodasC.asgoodashalfD.goodashalfas(A)2.Youcertainlywon’tfindanoisierfish.你绝不会找到比他们更吵闹的鱼。解析:句中won’t…noiser是形容词的比较级用于否定
4、句中,表达最高级的含义,相当于Itisthenoisiestfishintheworld.当比较级与否定词no,never,nothing等连用时,表示“再没有……比……更……”,即”最……”之意。e.g.NobodyintheclassistallerthanTom.=Tomisthetallestintheclass.汤姆是班里最高的。Ican’tagreewithyoumore.我完全同意你。Nothingismorevaluablethanhealth.健康是最宝贵的。应用:Howbeautifullysh
5、esings!Ihaveneverheard_____.A.thebettervoiceB.agoodvoiceC.thebestvoiceD.abettervoice(D)3.Theyarelesscolorfulthansomeotherfishbuttheymovebeautifully.它们不如其他一些鱼那么多姿多彩,但它们游起来很美。解析:less+adj.原级+than表示“不及……;不如……”e.g.MybrotherislessfatthanI.我弟弟没有我胖。【拓展】lessthan少于moreo
6、rless或多或少,左右应用:Shedoesn’tworksohardasyouatschool.(同义句转换)She_________________thanyouatschool.(Sheworkslesshard)4.Therearefantasticshowseverytwohours.每两小时/每隔一小时有一场精彩的表演。解析:句中everytwohours每两小时/每隔一小时,形容词every表示“每,每隔”,具体用法如下:1)every+基数词+复数名词=every+序数词+单数名词“每(隔)…”2)
7、every+other+单数名词,“每隔一……”3)every+few+复数名词,“每隔几……”【拓展】everyotherday每个一天;每两天everyfiveyears=everyfifthyear每五年;每隔四年everyfewdays/meters每隔几天/每隔几米应用:OurEnglishteachertoldustowritethewordsandphrasesevery_____line.A.anotherB.othersC.otherD.theother(C)5.Specialdiscountbe
8、forethe22ndandsothesoonerthebetter.22日前特价,越早订票越好。解析:the+比较级…,the+比较级…,“越……就越……”Themoretreesyouplant,thebetterenvironmentyouwillhave.Themoreyoueat,thefatteryouwillbe.应用:_____youwork
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