人教新目标 八年级英语下：Unit 9 Have you ever been to a museum Section B 知识讲解.doc

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1、Unit9Haveyoueverbeentoamuseum?SectionB&SelfCheck知识讲解一thousandsof数以千记的；许许多多的：hundredn百hundredsof数以百的thousandn千thousandsof成千上万的millionn百万millionsof成百万的【注】：(1)当hundred/thousand/million前面有具体的数字时，用单数形式(2)当hundred/thousand/million后与of连用时用复数形式，前面不能加数词【口诀】：具体的不加s也不加of，不具

2、体的加s也加of()1._______(million)ofpeoplegotolookforjobsinbigcitieseveryday.()2._______ofstudentshelphomelesspeoplethroughtheRedCross.A.ThousandB.ThousandsC.AthousandD.Hundredandthousand()3.【四川广元】—Guang’anisabeautifulcity,isn’tit?—Yes,Thereareabouttwo________visitorsh

3、ereeveryweek.A.thousandsofB.thousandsC.thousand()4.Footballissoexcitingthat___peopleintheworldplayit.A.millionofB.twomillionsC.millionsofD.amillionof二safeadj.安全的safeadj.安全的safetyn.安全safelyadv【短语】：safetybelt安全带safetyfirst安全第一thesafetyof...的安全1.Whenthefirehappened,

4、thefiremanhurriedthereandcarriedthechildrento_________(safe).2.Theplanelanded____________(safe)atlast.()3.【2011浙江丽水】Everybodyshouldrememberitisnot___toswimintheriveralone．A.healthyB.safeC.possibleD.comfortable()4.【2014黔西南州】Hewasveryill,butnowheisoutofdanger.(同义)A

5、.dangerousB.safeC.safelyD.indanger三ontheonehand…，ontheotherhand……一方面……，另一方面……（该短语常并列使用，用于列举原因，情况等）Ontheonehand,parentsshouldtakegoodcareoftheirchildren;ontheotherhand,childrenshouldrespect（尊重）theirparents.一方面，我想去那个派对；但另一方面，我不得不学习。_______________,Iwanttogotothepar

6、ty,but____________________Ihavetostudy.四threequarters四分之三（分数表达法）1.分数的结构:基数词/序数词分子用基数词,分母用序数词。分子大于1时,分母用复数(+s)1/5onefifth2/7twosevenths()1.【2013邵阳1】_________ofourclassmatesaregoodatbasketball.A.ThreequartersB.ThreefourthC.thirdfour2.分数词的几种特殊形式.1/2asecond=ahalf1/3o

7、nethird=athird1/4afourth=onefourth=aquarter=onequarter3/4threefourths=threequarters3.分数作主语时，谓语动词的单复数形式应由of后面名词的数来确定。①分数+of+不可数名词+动词单三形式②分数+of+可数名词复数+动词原形()2.Twofifthsofthemilk______(be)drunkbyTom.()3.Onethirdofthestudents_______(be)girls.()4.【2013黑龙江齐齐哈尔】There’re

8、manystudentsinourschool.___ofthem__girls.A.Onethird;isB.Onethird;areC.Twothirds;is()5.【2012贵州】About____ofthestudentsinGradeNinethisyearwereborninthe_____.A.thr