中考英语数词复习课件.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,*,数词,复习,数词,的构成,基,数词,序数词,1,12,有各自独立的形式。,13-19,都是相对应,3,9,加上,teen,构成，特殊拼写的,词有,thirteen,fifteen,eighteen,。,20,90,都以,-,ty,结尾，特殊拼写的有,twenty,thirty,forty,eighty,。,21,99,整数十位数各位数，中间有“”。,百位数，由百位数,and+,两位数组成。,1,3,分别为,first,second,third,。,4,19,都是在后面加上,th,特殊的有,fifth,eighth,ninth,twelfth,。,20,90,把,y,变成,ie,然后加,th,如,twentieth,。,21,99,的序数词变后面的各位数。,序数词可以用缩写，如,1st,2,nd,3,rd,4,th,基本用法：,1.,基数词：表示精确数字时，,hundred,thousand,million,billion,后面,都不用变化。但是在表示几百，几千等模糊概念时，这些词后面要,加上,s,和,of,如：,hundreds of,而且前面可以加上,many,tens of,等表示,不确切的词，注意,several,some,是表示确切数字的词：,several hundred,2.,数词一般是用作复数的，但是特殊情况也有复数的用法：,a.,在表示一排或者一组的情况下：,They arrived in,twos and threes.,b.,表示几十岁：,the forties-41-49,c.,表示年代：,in the 1920s,3.,基数词兼有名词和形容词的功能：,Nine of them are from Greece.,They work forty hours a day.,4.,序数词主要用作定语。一般要加,the.,Our classroom is on the third floor.,The first part of the story is not interesting.,in the first place,5.,序数词也可以用作副词，,When did you,first,see him?,Which horse came in,first,?,6.,基数词也能表示顺序，如书刊的卷、章、节、页的数目，住所、,房间、教室、电话号码等等。,Volume Two,Chapter Four,Section Six,Page Eight,Room 304,7.,倍数的表示法,a.,倍数（或分数）,+as+adj.+as,Ihavethreetimesasmanyasyou.,我有你三倍那么多。,b.,倍数（分数）,+thesize(amount,，length)of,Theearthis49timesthesizeofthemoon.,地球是月球的,49,倍。,c.,倍数（分数）,+,形容词（副词）比较级,+than,Thegrainoutputis8percenthigherthisyearthanthatoflastyear.,今年比去年粮食产量增加,8%,。,d.,还可以用,by+,倍数，表示增加多少倍,Theproductionofgrainhasbeen,increasedbyfourtimes,thisyear.,今年粮食产量增加了,4,倍。,8.,日期，时间和分数的表示法见书本,p20,。,9.,也可以用,after,和before,表示时间，,情况分别与,past,和,to,相当。如：,1,It is few minutes,before,six oclock,现在是六点差几分。,2,The correct time is three minutes,after,ten,准确时间是十点三分。,3,It happened at a quarter,before,five,事情发生在五点差一刻的时候。,10.,序数词前面一般要加,the,但是也有不加的情况，这个时候表示,“又一，再一”的意思。,They had,a second,child in 1988.,上面的,a second,可以用,another,代替。,Exercises:,Is there any food for us _?A.ten,B.tenthC.the tenth,D.the ten,The bike cost me _,yuan,.A,five hundred forty,B,five hundreds,fourty,C,five hundred and forty,D,five hundred,fourty,“Which lesson are you studying now?”-“_”,A.The lesson six,B.Sixth lessonC.Lesson six,D.Lesson sixth,The has written a _ composition,A,three-hundred-word,B,three hundred wordsC,three hundreds words,D,three hundreds word,She was born on _,A,1986,March 9,B,March 9,1986C,1986,9 March,D,March nine,1986,A,C,C,A,B,We have finished reading _ units.A,the first two,B,first twoC,the second,D,two first,My telephone number is _,A,eighty eight two forty four zero nineB,eight eight two double four O nineC,eighty eight two four four zero nineD,eight eight two four four zero and nine,Every day the old woman sits here for _.A.one and half hour,B.one and a half hourC.one and half hours,D.one and a half hours,Mr,Green Will have _ holiday very soon.A.two months,B.two monthC.a two-months,D.a two-month,Mary is_girl.A.an 8 year old,B.8-years-oldC.the 8 years old,D.an 8-year-old,A,B,D,D,D,-What day is today?-_.-A.June 9.B.TuesdayC.It is hot.D.Its fine.,That magnificent _ pyramid was built by the Egyptian people.A.nine-centuries-old B.nine-centurys-oldC.nine century old D.nine-century-old,-Whats the date today?-_-.A.Its Saturday B.Its JulyC.Its fineD.Its July 15,-What time do you get up every day?-_-.A.Its seven oclock B.Seven oclock timeC.At seven D.On seven,B,D,D,C,