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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,数词,英语中的数词可分为,基数词,和,序数词,两大类。,基数词,：,人或事物的,数目,序数词,：,数目的,顺序,。,数词英语中的数词可分为基数词和序数词两大类。,1,基数词,序数词,略数,年代,数词,基数词序数词略数年代数词,2,1.,基数词,巧记基数词口诀,1至12分别记,13至19都带-teen,13,，,17,整十后面要用-ty,40,，,90,几十几,用连字符,53,，,32,百位以上and连,263,fifty-three ,thirty-two,two hundred and sixty-two,1.基数词巧记基数词口诀fifty-three ,thir,3,注意：,英语中没有“万”和“亿”这两个数量单位，要按十进位法来推算。,一万：,ten thousand,十万：,one,hundred thousand,百万：,one million,千万：,一亿：,十亿：,ten million,one hundred million,one billion,注意：英语中没有“万”和“亿”这两个数量单位，要按十进位法,4,英语数量单位,one,个,ten,十,hundrend,百,thousand,千,million,百万,billion,十亿,英语数量单位one,5,2.,序数词,基数词,序数词：,onefirst,twosecond,threethird,大部分基数词都,在后面加,th,注意：,fi,ve,fi,f,th,nin,e,ninth,twel,ve,twel,f,th,2.序数词基数词序数词：,6,注意：,整十的基数词（10除外），均将y变成ie，再加th：twenty,twentieth,fifty,fiftieth,表示二十以上的基数词只变个位数（整十除外）：thirty-one,thrity-first,注意：整十的基数词（10除外），均将y变成ie，再加th：t,7,3.,略数表达法,1.当hundred，thousand，million，billion，dozen等前面有具体的数词时，后面既不能加s，也不能加介词of。,Our school bought,two,thousand books this year.,我们学校今年买了,两千本书,3.略数表达法1.当hundred，thousand，mi,8,2.hundred，thousand，million，billion，dozen等前面没有具体的数词，则在其后加s和介词of，表不确定的数量或形容数量之多,hundreds of 成百的，好几百,thousands of 数以千计的,millions of 数百万的,There is only hundred,s,of,students,我们学校只有几,百个学生,t,2.hundred，thousand，million，bi,9,three,hundred students,三百个学生,two,thousand books,两千本书,hundred,s of,students,三百个学生,thousand,s of,books,两千本书,three hundred students 三百个学生,10,几百万个人,两百个苹果,三千个箱子,几千个杯子,三百万棵树,几百万个人,11,There are _（两千）students in our school.,The Great Wall is made of_stones.,长城是由数百万石头砌成的,two thousand,millions of,There are _（两千）studen,12,注意：,若表示特定的数目，可在hundred、thousand后加of,There are,seven hundred students,in this school.,Three hundred of,them are girls.,该校有700名学生，其中女生有300名。,长乐有六百万人，其中,400,万是男性。,Changle has six million people.Four hundred of them are men.,注意：若表示特定的数目，可在hundred、thousand,13,4.,年代表达法,在20世纪90年代：,in the 1990s或in the 1990s,具体年份：,in+,年份,in,1994,4.年代表达法,14,把基数词改为序数词。,one twelve,two fourteen,three twenty,five twenty-one,eight forty-four,nine ninety-six,first,second,third,fifth,eighth,ninth,twelfth,fourteenth,twentieth,twenty-first,forty-fourth,ninety-sixth,把基数词改为序数词。firstsecondthirdfift,15,22.January is _ month of the year.,A.one B.the one,C.first D.the first,23.There are _ days in a year.,A.three hundreds sixty-five,B.three hundred and sixty-five,C.the third hundred sixty-five,D.third hundred and sixty-five,24.The computer was cheap.I spent only two _ yuan on it.,A.thousands B.thousand,C.thousands of D.thousand of,22.January is _ month o,16,25.Please look at the following four pictures and write a _ story about them.,A.one-hundred-word,B.one-hundred-words,C.one-hundreds-word,D.one-hundreds-words,two-thousand-student,两千个学生,25.Please look at the followi,17,26.On which floor do you live?,The _ floor,and my room number is _.,A.fifth;five zero two,B.fifth;five zero second,C.five;five zero second,D.five;five zero two,27.In our city people have moved into their new houses.,A.thousand B.thousands,C.thousands of D.many thousand,26.On which floor do you liv,18,28.Now,turn to page _ and look at the _ picture in Lesson Two.,A.twentieth,one B.twenty,one,C.twentieth,first D.twenty,first,29._ girls took part in the Super Girl Competition but only few of them succeeded.,A.One million of,B.Thousands and millions,C.Millions of,D.Two millions,28.Now,turn to page _,19,Thank you,Thank you,20,
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