1、,Nice to meet you!,数词,九年级分块复习,Jinyuan Middle School,李兴翠,数词,基数词:,表示数量的词,序数词:,表示顺序的词,数词,基数词的构成,0-12是独立的单词,zero, one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve,13-19带有后缀teen,20-90各整十位数带 有后缀 ty,21-99十位和个位数之间要用连字符号“-”,101-999,thirteen, fourteen, fifteen, sixteen, seventeen, eig
2、hteen, nineteen,twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety,如: 21,seven hundred and eight,99,twenty-one,ninety-nine,构成特点,单 词,three hundred and fifty-nine,一般基数词变为序数词,four,fourth,seventh,sixth,six,seven,直接在词尾加 th,特殊的基数词变序数词,first,second,third,eighth,ninth,fifth,twentieth,fortieth,nine
3、tieth,twenty-first,forty-fourth,one hundred and first,twelfth,one hundred and one,first,second,third,eighth,ninth,fifth,twentieth,fortieth,ninetieth,twenty-first,forty-fourth,one hundred and third,twelfth,one hundred and three,让我们来找找其中的规律,巧记基数词变序数词,一二三，要牢记 八去t，九去e，f代 ve ty结尾很容易，变y为i加上e th结尾是标记，数大数小按
4、规律 末尾数字起变化，得心应手不费力,1、表示页数；电话号码；公共汽车路线；学校；医院；年级；班级；年份等,例如：,page 1 读作page one,Class One, Grade Nine,数词的基本用法,nineteen ninety-eight,2、表达时刻：,数词的基本用法,例如：,at five (oclock)；,at four ten 或 at ten past four,at six fifty 或 at ten to seven,（整点）,（分钟数小于30）,（分钟数大于30）,3、分数的表达法,分数由基数词和序数词合成：分母用序数词，分子用基数词；分子在前，分母在后。当
5、分子大于1时，分母用复数形式。,one third,two thirds,one fifth,three fifths,母序，子基；子前，母后。,巧记分数表达法：,数词的基本用法,4、hundred 、thousand 、 million 的用法,如果表示具体的几百、几千、几百万时，三个单词后都不用复数形式；如果用了复数形式，要跟of连用，构成固定的搭配。hundreds of 成百上千的 thousands of 成千上万的 millions of 数以百万计的,数词的基本用法,数词的基本用法,5、由基数词构成的复合词，名词 不用复数形式,而且单词之间必须用连词符号“-”连接。,一个五岁的男
6、孩：,一百一十米跨栏：,例如：,a five-year-old boy,110-metre hurdles（跨栏）,要小心哦！,（05年中考题） 1、-What class are you in, Mike? -Im in _. A Grade Three, Class Two B Class Two, Grade Three C class two, grade three D grade three, class two （06年中考题） 2、_Iraqi（伊拉克的） people died in the Iraq（伊拉克） war. A Thousand of B Thousands o
7、f C Many thousand of D Thousands,直击中考,小试牛刀,B,B,A,3. Liu Xiang,21, is an Olympic winner in the _hurdles(跨栏). Were proud of him. A 110-metre B 110-metres C 110 metre4. We have only _(first) earth. We must take good care of it.（06年中考题） 5. - Where will we have our chemistry lesson this afternoon? （06年中考
8、题） -In the chemistry lab on the_ (three) floor.,直击中考,小试牛刀,one,third,Thank you !,考点练习,1.December is the _ month of the year.A. twelve B. twelveth C. twelfth 2._ of the newspapers in the world are written in English. A. Three four B. Three fourths C. Three fourth D. Third four 3.There are _ people in
9、Peters family, They live on the _ floor in a tall building. A. six, eighteenth B. six, eighteen C. sixth, eighteen D. sixth, eighteenth,C,B,A,4.Both of the two rulers are broken. I want to buy a _ one. A. three B. forth C. third D. / 5. _ people had to leave their hometown （家乡）during the war. (战争) A. Three thousands B. Thousand of C. Seven thousands D. Thousands of,考点练习,C,D,
