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高一英语外研版必修1Module5ALessoninaLab学案一、知识要点1.Whenweusemetal,itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.使用金属时,要了解金属和不同的物质怎样发生反应,例如水和氧气,这一点很重要。react作不及物动词,“起化学反应”,reactwithsth.与某物起化学反应它还有“对某人或某物做出反应”之意,常与介词to连用reacttosth./sb.2.Thereactionofmetalswiththesesubstancescanbeputinorder.(不同的)金属与这些物质的反应程度可以按顺序排列起来。inorder“按顺序、次序”,还有“适当的;能用的”意思,反义词组为outoforder例如Heputhisbusinessaffairsinorderbeforehewenttotravel.翻译:Theliftwasoutoforderandhewastrapped.翻译:3.数字表达法(1)1,000以上词的表达法:先从后向前数,每三位数加一个逗号,用这个方法把数目分作若干段,再一段段的念;第一个逗号前的数为thousand,第二million,第三billion.一般用作单数,若用复数形式,要用“复数形式+of”。例如:4,007fourthousandandseven54,256,000fifty-fourmilliontwohundredandfifty-sixthousand14,800,000,000hundredsofbooks好几百本书thousandsofyoungpeople(2)分数词构成法:分数词有基数词和序数词构成,基数词代表分子,序数词代表分母。分子是1时,分母用单数,分子不是1时,分母都用复数形式。例如:1/2one-second1/4one-fourth3/4three-fourths2/3two-thirds5/9five-ninths1/2,1/4,3/4还可表示为1又1/2oneandhalf7又3/4sevenandthreequarters3又2/5threeandtwo-fifths47又3/84.Thesciencefacilitiesareverygood,withlaboratoriesthathaveallthelatestequipment.这些科研设施非常好,实验室配有最新的设备。(1)facility常用作复数名词,表示为某种目的提供的设施(如房屋、设备、服务等)。例如:Thisisa5-starhotelwithgoodfacilities.翻译:也可用作单数,“设备;天赋;才能。”例:Shehasanamazingfacilityformaths.练习:Weneedtoconsiderwhatwewillbeusingforlanguagetraining.A.abilitiesB.applianceC.facilitiesD.qualities(2)with在句中意为“带有,具有”,引导短语对句子作附加说明,thathaveallthelatestequipment是定语从句,修饰先行词laboratories。例:HeleftforBeijingwithasuitcasethatcontainedalotofmoney.翻译:5.TheNobelPrizeisthehighestscientificprizethereis,soweshouldbeveryproudofthat.诺贝尔奖是目前最高的科学奖,我们应该为此感到骄傲。beproudof为…而自豪例如:Weareproudofourmotherland.翻译:pride是名词,词组有:have/take(a)pridein,beproudtodosth.例如:Hetook(a)greatprideinbeingastudentofBeijingUniversity.Ifeelveryproudtobeapartoftheteam.二、语法要点形容词和副词的比较级关于形容词和副词的比较级的用法,应注意以下具体问题:1.表示比较的表达方式:(1)表示倍数的三种结构:A:…timesas+形容词原级+as…B:…timesthe+性质名词(size,weight,height,length…)+of…C:…times+形容词比较级+than…例如:Thistableis3timesasbigasthatone.Thistableis3timesthesizeofthatone.Thistableis3timesbiggerthanthatone.(2)同级的比较,用as…as,thesameas,such…as构成:例如:SheisastallagirlasAnn.SheissuchatallgirlasAnn.Thesituationisnotso/asgoodaswehope.ShegotthesamemarkasJohndid.翻译以上各句。2.比较级的特殊用法(1)the+比较级…,the+比较级…越……越….例如:Themoreyoutalked,thelessattentionhepaidtoyou.你说的越多,他越不注意听你讲。Thelongeryoustay,thebetter(itwillbe).译:(2)比较级+and+比较级越来越……例如:Thenewcityisbecomingmoreandmorebeautiful.(3)the+比较级+ofthetwo+名词两者中较……例如:Thetallerofthetwoboysismybrother.(4)否定词+比较级没有……比……更……例如:Thereisnogreaterlovethanthatofamanwholaysdownhislifeforhisfriends.为朋友而放弃生命的人的爱是最伟大的爱。Hehasneverspentamoreworryingday.他度过了最担心的一天。(5)no+比较级+than的特殊含义nomore…than…两者都不……noless…than…两者都很……notmore…than………不如……notless…than…并不弱于……3.比较句型应注意以下几点:(1)用介词by加数字与计量单位表示相差的程度。例如:SheistallerthanIbythreeinches.翻译:Imissedthelasttrainbyoneminutes.翻译:(2)修饰比较级的常见修饰语有:rather,much,still,even,far,any(用于否定句或疑问句),alot,alittle,agreatdeal,byfar,abit,threetimes等。例如:Thestudentsstudyevenharderthanbefore.学生学习比以前努力得多。Acarrunsagreatfasterthanabike.翻译:(3)比较的对象不能相互包容的有:anyother+单数名词,all(the)other+复数名词,比较级+than+anyoneelse,anyoftheother+复数名词。例如:TheMississippiRiverislongerthananyotherriverintheUnitedStates.密西西比河比美国任何其他一条河都长。ChinaislargerthananyothercountryinAsia.中国比亚洲的任何其他国家都大。(4)比较的对象应该相同。例如:TheweatherhereiswarmerthanthatofShanghai.这里的天气比上海的暖和。(天气和天气相比)Chinahasalargerpopulationthananyothercountyintheworld.中国的人口比世界上任何其他国家的都多。(国家与国家相比较)(5)比较状语从句中代动词的使用。两个比较对象应在同一层面上比较,但从句中除助动词、情态动词和系动词be外,其他动词不能重复使用,须用动词do的适当形式代替。不同的人或物相比,时态应相同。例如:Boblooksyoungerthanheis.鲍勃看上去比实际年轻。Iknowyoubetterthanhedoes.我比他更了解你。Iknowyoubetterthanhim.我了解你比了解他更清楚。(6)比较结构中的省略现象,在日常交际中,彼此都明白,比较对象往往省略。例如:A:Whatdoyouthinkofthefilm?你认为这部电影如何?B:Ihaveneverseenabetterone.我从来没看过比这部更好的了。(后边省略了thanthisfilm)Tom’scomposition,ifnotbetter(后边省略了thanJack’s),isatleastasgoodasJack’s.汤姆的作文,如果不比杰克好的话,至少和他的一样好。4.常用的比较级词组:nomorethan只是;不多于notmorethan至多nolessthan至少;起码notlessthan不少于反馈检测I.根据所给词首字母或汉语释义写出各单词的正确形式。1.Hecametothecthatheavyobjectsfellfasterthanlightones.2.Whenyoucoolthemetal,itc.3.Henoticedapieceofwoodfonthewater.4.Airisamofgases.5.Watercanhavethreestates:l,solidandgas.6.Allthemachinescan’trunwithout(电).7.Thenailsdonotrustinthetubewith(无空气).8.What’syour(反应)towhatthenewspapersaid?9.Itisimportanttoknowhowtheyreactwithdifferent(物质).10.Heatgentlyuntilthesugar(溶解).II.从A、B、C、D四个选项中,选出最佳答案。1.Wouldn’titbewonderfulworldifallnationsliveinpeacewithoneanother?A.a;/B.the;/C.a;theD.the;the2.----Yesterdaywelearntthefifth,?----I’msorry,Mr.Li.Idon’tunderstandeverything.A.didn’tyouB.haveyougotitC.doyouthinksoD.howabout3.----Iwanttoknowhowyoureactmylecture.----Onthewhole,it’sveryexcellent,butIreactstronglythethoughtsonhumannature.A.to;withB.to;againstC.with;againstD.against;with4.Theterribleweatherourdifficultinbuildingtheroad.A.addedB.addedupC.addedtoD.addedupto5.It’snotenough.Weneedmorethanthat.A.quiteB.mostC.veryD.rather6.----CanIuseyourtelephone?-----.A.It’sallright,thanksB.Yes,goaheadC.Itdoesn’tmatterD.No,pleasedon’tdoit7.----SimoniswatchingTV.-----He’swatchingTV?He’stobecleaninghisroom.A.regardedB.believedC.sup
本文标题:高一英语外研版必修1_Module_5_A_Lesson_in_a_Lab_学案01
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