英语数词的各种表示方法省名师优质课赛课获奖课件市赛课一等奖课件.ppt

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,*,本资料仅供参考，不能作为科学依据。谢谢。本资料仅供参考，不能作为科学依据。谢谢,Numbers,专题复习,数词,第1页,数词的考点,二.数词各种表示法,第2页,一、时间表示方式,1直接表示法。即先读小时，再读分钟,如：4：10 读成,8：36 读成,2逆读法。即先读分钟，再读小时,分钟小于30用“,past,”，,汉字译为“过”,。,即分钟+past+时钟，,汉字译为“几点过几分”,如：5:10（5点过10分）读成,2:02（2点过2分）读成,four ten,eight thirty-six,ten past five,two past two,第3页,分钟超出30（不包含30分钟）用,“to”（汉字译为“差”）,即“60-分钟数+to+钟点数+1”（,汉字译为：几点差几分,）,如：7：45（八点差15分）读成,1：58（两点差2分）读成,3半小时用“,half,”,一刻钟用“,quarter,”。,注意：一刻钟 a quarter 三刻钟 three quarter,s,如：4:30 读成,9:45 读成,a quarter to ten,two to two,half past four,fifteen to eight,尤其注意：一个半小时表示方式：,one/an hour,and a half,one and a half,hours,第4页,Can you read them?,1:30,2:15:,3:45,6:38,7:25,9:50,one thirty,half past one,two fifteen,a quarter/fifteen past two,three forty-five,a quarter/fifteen to four,six thirty-eight,twenty-two to seven,twenty five past seven,seven twenty-five,ten to ten,nine fifty,三年半两种表示方式:,three years,and a half,three and a half,years,第5页,1.Its already 7:40 now.When will the film start?,_.We still have five minutes.,A.A quarter to seven,B.Seven past forty-five,C.A quarter to eight,第6页,1,5,分子,基数词,分母,序数词,one fifth,2,7,分子,1,分母,+s,two seventh,s,1,4,分子,a,分母,quarter,a quarter,3,4,three quarter,s,1,2,a half,1,3,three,and,one third,3,基数词+and+分数,二.,数词表示法,分数百分数,第7页,分数、百分数、小数表示方法（以分数考法较为常见）,1.分数:分子用基数词，分母用序数词，分子大于一，分母加s,1/2 读作,2/3 读作,1/13 读作,3/4 读作,2小数,百分数读法:,小数点读成point 3.6 读作,百分号,%,读成,percent,50%读作,one second（a half）,two third,s 或者,two,-,third,s,one thirteenth,three fourths或者three,-,quarters,three point six,fifty percent,第8页,80%,基数词,+,percent,eighty percent,half,/,(百)分数+of+可数名词复数,谓语动词用复数,half,/,(百)分数+of+不可数名词,谓语动词用单数,3.78,three,point,seven eight,第9页,1.,_ of the students _ boys in Class,A.Two three;are B.Two thirds;are,C.Two thirds;is,2.,_ of her money _ spent on clothes.,A.Two three;are B.Two thirds;is,C.Two third;is,3._ the teachers in our school is about one hundred,and _ of them are women teachers.,A.The number of;two third,B.The number of;two thirds,C.A number of;two thirds,第10页,一个半小时,两个半小时,two,and,a half hour,s,=two hour,s,and,a half,one,and,a half hour,s,=one hour,and,a half,三.,数词表示法,半表示法,1.,The boy always stays there for _.,A.one and half hour,B.one and a half hour,C.one and a half hours,2.,The old man drank_ beer.,A.two bottles and a half,B.two and a half bottle,C.two bottle and a half,第11页,一倍 once，两倍 twice，,三倍 three time,s,(三倍或以上 基数词times),四.,数词表示法,倍数,This box isfive,time,s,as,big,as,that one.,=This box is,four,time,s,big,ger,than,that one.,A+be+,倍数,+,as,+adj.原+,as,+B.,A是B 倍,C+be+,倍数,+adj.,比,+,than,+D.,C比D 倍,第12页,1.,This building is _ that building.,A.three time as tall as,B.twice taller than,C.three times as taller as,2.,我箱子比你重六倍!,My box is _ yours.,six times heavier than,seven times as heavy as,第13页,The winner is _.He is an _ boy.,A.eight-year-old;eight years old,B.eight years old;eight-year-old,C.eight-years old;eight-year-old,He came to China _.,A.at the age of 20,B.when he is 20,C.at age of 20,五.,数词表示法,年纪,第14页,The river is about _.,A.6,000 meters long,B.6,000-meters-long,C.6,000-meter-long,五.,数词表示法,计量,be+数词+量词+形容词,第15页,10.He went down to the village which was _miles away from the city.A.three hundreds B.three hundredC.three hundreds of,B.three hundred,第16页,6The wall is_.Afour meters long Bfour meter long Cfour-meter long,7Whats the date today?Its_AMarch the eight BMarch eighthCeight，March8It happened in the 1040sA in the forties of the eleventh centuryB in the forties of the tenth centuryC in the forty,9About_ of the earths surface is covered with water.A.three-fours B.three-fourth C.three-fourths,Afour meters long,BMarch eighth,A in the forties of the eleventh century,C.three-fourths,第17页,选择填空。1March is _month of a yearA a three B the third C a third2We will have a meeting at 8:05_Afive to eight Beight five Ceight o five3Eight plus eight is_.Asixteen Bsixty-four Cone4He is an _boyAeight years Beight-year-old Ceight-years-old5We will have a_ walkAten minutes Bten minutes Cten-minutes,B the third,Ceight o five,Asixteen,Beight-year-old,Bten minutes,第18页,六、加减乘除表示法,1.“,加,”用plus，and或add表示,How much is two plus three?It is fiveTwo and three is equal to five2.“,减,”用 minus,How much is ten minus six?3.“,乘,”multiply,3X4?How much is three times four?4.“,除,”用divide过去分词形式表示164=?How much is sixteen divided by four?,第19页,2more还可与a little，a few，a lot，several等词连用,（1）There are many more dictionaries on the desk课桌上有许多词典。,（2）Would you like some more tea？再喝点茶好吗？,4.名词省略,假如前后意思清楚，another或more后面名词能够省去。如：,1I climbed the stairs slowly，carrying a big suitcase，my father following with two more,第20页,1Tony is going camping with _boys next Sunday,Alittle two other Btwo little other,C,two other little Dlittle other two,3Do you know where he found,the other two,photos？另外两张照片,3.more,1more,1）She has got,five more,electric fans她还有五台风扇。,第21页,七、another,other,more修饰数词使用方法,1.another,A)another+,名词单数,B)表“,另外、额外、附加,时，+few或详细数字,复数,1Have you finished your report yet？,No，I will finish it in,10 minutes,A,another BOther Cmore Dless,2The strike may last,another three days,罢工可能还要连续三天。,2.other,+复数名词，置于数词之后,B)但与定冠词the连用时，other要放在数词前。,第22页,