7Bunit5广州深圳沪教版牛津英语七年级下册教案

1、7BUnit5Water要点单词：Dropn.滴，v.落下Chemical化学制品Vapour蒸汽Journeyn.旅途Through穿过，经过Form形成Quantity数目Pipe管，烟斗Stir搅拌Quality质量Valuableadj.可贵的，很实用Continue持续Experimentn.实验Bit少许Crystal水晶，结晶Freshadj.新鲜的Bank银行reservoirSalt盐蓄水池Voice声音Change不行数n.找给的Add增添Return送还，回到要点短语：turnoff封闭partof部分Turninto（使）变为pocketmoney零花费Add.to.把

2、加入(be)madeupof由构成abit有点儿（要加上of才能够修饰不行数dryup干枯名词）要点句型：1.Thenitwastimeforsb.to.到了做某事的时候了(page59)Remembernotto.Howmuchwateristhere.?Howmuchbottlesofwaterarethere.?详尽解说：1.Listentoastoryaboutthejourneyofacoin.(page57)journey指从一个地方出发直抵目的的长途旅Hedecidedtomakeajourneyto行Guangzhou.trip指休闲或商业目的的短途旅游H无直抵目的之意，指不一

3、样方向的旅游Hecamehomeafteryearsofforeigntravel.2.whenyouexercise,youneedmorewater.(page58)Exercise为不及物动词，是“锻炼”的意思。可数名词：练习，体操不行数名词：锻炼，运动3.twothirds.三分之二(page58)英语中的分数表示：分子用基数词，分母用序数词。分子大于1时，分母要用复数形式。拓展：四分之几一般用quarter表示，二分之一用half表示。如：四分之一：aquarter四分之三：threequarters4.倍数的表达分数：（page68）twice1）A+be+倍数+as+形容词原级+

4、asB如：mypensarethreetimesasmanyasyours。我的笔是你的三倍2）A+be+倍数+形容词比较级+thanB如：mymypensaretwicethanyours。我的笔比你的多两倍5.表示every“每隔”的表达方法：1）every+基数词+复数名词：everyfouryears每四年（2）every+序数词+单数名词everyfourthyear每隔三年（3）每隔一：everyother+单数名词everyotherline6.辨析through、over、across每隔一行三者都有“穿过的”意思over是从物体表面上方经过，不与物体接触比如：Thebirdf

5、lewovertheriver。鸟从河水表面飞过throngh是从物体中穿过，比如：Theelephantcantgothroughthegate.这头象不可以从门里穿过。across从物体表面经过而且有接触比如：Thecarisgoingacrossthebrige汽车正从桥上经过7.Soisthistheendofyourjourney？那么这里是你旅途的终点吗？endn.末端，结局Attheendof在后期/尾端Attheendofthestreet，youcanseeahotel。Bytheendof到在结束（表示时间观点）Hecamebackbytheendofthemeeting。

6、Intheend最后，终于atlast，finally。Intheend，wegottothesmallcity。8.Weusehowmanyhowmuchtoaskaboutquantities.use“用”usesthtodosth.用某物做某事人+beusedtodoingsth.某人习惯做某事物+beusedtodosth.某物被用于做某事如：woodisusedtomakepaper。9.Fixadrippingtap。维修滴水的水龙头。（page68）（1）drip指水滴，只好用于液体。Drop不论是做动词仍是名词，都有滴下、落下的意思，能够使任何物体，不限于液体。还有一个长得很像

7、的伙伴：droop，指把脑袋低垂下来，一不当心丢了一个o，就把脑袋混丢了：Hedroopedhisheadinshyness.（害羞了把头低下了）（2）fix=repair修道路，机器，以及平时生活Myfatherisgoodatfixingbrokenmend用品，如腕表，自行车维修损坏的东西，使其恢还原样，（包含用针线缝补），一般指较小的物件watches。Mum，canyouhelpmemendmysocks？要点语法：怎样讨论数目我们能够用（not)much,many,alotof,howmuch,howmany起来学习他们的用法。一、many,much与alotof(lotsof)m

8、any,much与alotof(lotsof)三者意义同样，都有很多之意，等词来讨论数目，下边让我们一many修饰可数名词复数形式；much修饰不行数名词；alotof(lotsof)既能够修饰可数名词复数形式；也能够修饰不行数名词。Therearemanystudentsinhisschool.=Therearealotof/lotsofstudentsinhisschool.Ineedmuch/alotoftimetochecktheanswers.二、afew和alittleafew意为“几个”，alittle意为“一点儿”afew修饰可数名词复数形式；alittle名词.afew和al

9、ittle都表示一定意义。Ineedafewapplesandalittlegreentea.Thereareafewbananasandalittlebreadonthetable.注意：few意为“极少”，little意为“几乎没有”，few修饰可数名词复数形式；不行数名词.few和little均表示否认含义。修饰不行数little修饰Thereislittlewaterintheglass.FewstudentstakethetaxitoschoolatGreenHighSchool.三、howmany和howmuch二者都表示多少之意，都用于咨询数目。howmany后接可数名词的复数形

10、式，后接不行数名词。howmuchHowmanystudentsarethereinyoursclass?Howmuchmilkdoyouneed?注意：howmuch还能够咨询物件的价钱。Howmuchisthissweater?四、toomany和toomuchtoomany和toomuch均为太多之意，toomuch修饰不行数名词，toomany修饰可数名词复数形式。Thereistoomuchsmokeintheroom.Therearetoomanyrulesinourschool.注意：muchtoo用作副词，意为“太”，修饰形容词或副词。Yourroomismuchtoodirt

11、y.五、toolittle,toofew,notmuch,notmany,notoolittle意为“太少”，修饰不行数名词；notmuch意为“几乎没有”修饰不行数名词；式;no意为”没有“，修饰可数或不行数名词和enoughtoofew意为“太少”，修饰可数名词复数形式；notmany意为没多少“修饰可数名词复数形;enough意为足够的，修饰可数或不行数名词。练习：用所给单词的适合形式填空1Canthesechildrenlookafter_whentheirparentsarenotathome.(them)2Waterisa_resource,sowecannotwasteit.(v

12、alue)3Treescanproducea_tomaketheirleavestastenastywheninsectswanttoeatthem.(chemistry)4Weshouldnever_waterbecauseitisnoteasyforittocometoourflats.(pollution)5About3ofthewateronEarthiswithout_(salty)单项选择1.Willyougoforawalkafter_dinner?a.ab.anc.thed./Carl,whynotgoandhelpyoursisterwatertheflowersthere?

13、Why_?Imbusymyself.Jackislyingonthegrassdoingsomething.a.meb.Ic.himd.he3.Mycousinisalwaysbusywithhiswork,Hehas_timetoreadnewspaper.a.littleb.fewc.alittled.afew4.Thereis_sugarinmycoffee.Itstoosweet.a.toomuchb.toomanyc.toofewd.toolittle5.Alicelooked_theroom,butsawnoone.a.aroundb.forc.atd.up6.Ben:Whatdi

14、dPeterdrop_theriver?Alice:Moc.ond.onto7.Itstime_allofustogetreadyforthequiz.a.tob.ofc.ford.at8.There_twentyattendantsatthecontesttomorrow.a.areb.havec.willhaved.willbe9.Weshould_theusedwatercleanbeforeitgoesbackintothesea.a.keepb.makec.becomed.turnAfterIhadabathinthebathroomthismorning,I_thetapon,Th

15、ismakesthebathroomfullofwater.a.leftb.forgotc.turnedd.switched11.Weallshouldremember_.watera.towasteb.wastingc.notwastingd.nottowaste12.Ifyou_somesalttoaglassofwater,it_andbecomepartofthewater.a.addDisappearb.addwilldisappearc.willadddisappeard.willaddWilldisappear13.WhenIwasinItalylastyear,I_alotoffamouscities.a.visitb.visitedc.visitsd.amvisiting1