20xx年中考英語知識點總復(fù)習(xí)數(shù)詞課件(存儲版)
【正文】 ）是幾十 fourteen,forty分清楚， thirteen,thirty看仔細，eighteen(eighty)只有一個 t,幾十幾和幾百幾連字符、 and莫丟棄 Exercise Excuse me , how does this number 20,135 read ? It read . A. twenty thousands one hundred and thirtyfive B. twenty thousand one hundred and thirty five C. twenty thousand one hundred and thirtyfive D. twenty thousands , one hundred and thirtyfive Exercise Bob , can you write the number seven hundred and eighty thousand and thirtytwo ? Yes , it is _______. A. 78,032 B. 7,832 C. 7,032 D. 780,032 2. 基數(shù)詞的運用 （ 1）表示具體數(shù)目時， hundred， thousand， million等 用單數(shù) 。 . 第 101 one hundred and first 第 199 one hundred and niyninth （ 5）序數(shù)詞的縮寫形式是由阿拉伯?dāng)?shù)字加上序數(shù)詞的最后兩個字母構(gòu)成的。 the second B. thirty 。 . 10:10 ten ten 4： 25 four twentyfive 6： 43 six fortythree (2)用介詞 past表示幾點過幾分（不超過半時）；用 to表示差幾分到幾點。 is C. three fourths。 . 50% fifty percent % thirtyfour point Six seven percent % zero point one two percent 7. 排列順序 基數(shù)詞和序數(shù)詞都能表示排列順序。 . Two thirds of the students are boys in my class. One half of her money is spent on books. Exercise 1. About ______ of the workers in the clothes factory are women. A. third fifths B. third fifth C. three fifths D. three fifth 2. We all know that ____ of the earth ____ covered by sea. A. three fourth。 six D. five。 . We’ve tired it three times. Must we try it a fourth time？ His parents have two children, but they want a third one. (3) 序數(shù)詞前有物主代詞或其他修飾語時不用任何冠詞。 . 36 thirty six 第 36 thirtysixth 98 niyeight 第 98 niyeighth 第 55 fiftyfifth 第 74 seventyfourth 第 88 eightyeighth 第 199 （ 4）百，千，百萬等的序數(shù)詞在詞尾加 th。 twentyone 21 thirtythree 33 . 53 64 75 99 （ 5）百、千、百萬、十萬的表示方法。 twenty
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