中考数词重难点详解.ppt

数词;四、数词; 考点一 基数词 ;;【巧学妙记】巧记100以内的基数词 基数词不难记，找清规律很容易；十二以内词各异， 十三数到十九去，后加teen莫忘记； 二十、三十至九十，正式之后有-ty； 要说“几十几”，中间“-”别丢弃； a hundred是“一百”，请你记住莫大意。; 考点二 序数词 ;【温馨提示】 (1)序数词要加定冠词the，但若序数词前有形容词性物主代词或名词所有格时省略the。例如： Tom made the mistake for the third time. = It was Tom’s third time to make the mistake. 这是汤姆第三次出错。;(2)序数词前加a/an表示“又一，再一”。例如： Even though the Greens have 3 children, they still want a fourth one. 尽管格林夫妇已有3个孩子，可他们还想再要一个。 (3) 序数词可以用阿拉伯数字和序数词拼写的最后两个字母简写。例如： 1st第一，2nd第二，3rd第三，4th第四。;【巧学妙记】基数词变序数词规律 基变序，有规律，末尾加上-th。 一、二、三特殊记，面目全非要注意。 八加th，九去e，ve要用f替。 逢十改y为ie，后跟-th莫忘记。 若想表示几十几，只变个位就可以。; 考点三 数词应用 ;;;;Ⅰ. 用所给数词的适当形式填空 1. （2012·遵义中考）I have tried three times, and the teacher asks me to have a _______ (four) try. 2. (2011·扬州中考)Even a child knows September is the _______ (nine) month of a year. 答案： 1. fourth 2. ninth;3. （2011 ·烟台中考）I’ve bought a present for my father’s _______ (forty)birthday. 4. （2011·肇庆中考）Mr. Smith lives on the _______ (six) floor. 5. （2011·上海中考） Climb up to the _______ (eleven) floor, and you can enjoy a better view. 答案： 3. fortieth 4. sixth 5. eleventh;Ⅱ. 单项选择 1. （2012·六盘水中考）There are _______ days in a week and Tuesday is _______ day of the week. A. seven; third B. seven; the third C. seventh; three D. the seventh; three 【解析】选B。句意：一个周有七天，星期二是一个周的第三天。第一个空用基数词表示数量，第二个空用序数词表示次序，且其前加the。故选B。;2. （2011·东营中考）—There are 60 students in my class and 44 of them use weibo very often. —44? That means about _______ of your classmates are weibo users, right? A. half B. one third C. two thirds D. three quarters 【解析】选D。考查数词的用法。half二分之一； one third 三分之一； two thirds三分之二； three quarters四分之三。由常识可知44大约是60的四分之三， 故选D。;3. （2011·眉山中考）Eight _______ students in our school are from countryside. A. hundreds B. hundred C. hundreds of D. hundred of 【解析】选B。hundred，t