20xx年中考英語知識(shí)點(diǎn)總復(fù)習(xí)數(shù)詞課件(參考版)
2025-06-15 04:44本頁面
【正文】 . 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。 . every ten days 每十天 every ninth day 每隔九天 every four weeks 每四個(gè)星期 every third week 每隔三個(gè)星期 6. 表示小數(shù)和百分?jǐn)?shù) (1)小數(shù)用基數(shù)詞來表達(dá)，以小數(shù)點(diǎn)為界，左邊的數(shù)字為一個(gè)單位，表示整數(shù)，數(shù)字合起來讀；小數(shù)點(diǎn)右邊的數(shù)字為一個(gè)單位，表示小數(shù)，數(shù)字分開讀。 is 4. 倍數(shù) 表示 三或三倍 以上的倍數(shù)用 “ 基數(shù) 詞 +times” 。 is C. three fourths。 . 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。日期可以用基數(shù)（讀做序數(shù)詞）。 “ 半點(diǎn)鐘 ” half，一刻鐘用 a quarter。 . 10:10 ten ten 4： 25 four twentyfive 6： 43 six fortythree (2)用介詞 past表示幾點(diǎn)過幾分（不超過半時(shí)）；用 to表示差幾分到幾點(diǎn)。 six D. five。 six B. fifth。 the first D. thirty 。 the second B. thirty 。 . 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(shí)不用任何冠詞。 nine D. Ninth 。 ninth B. Nine 。 . 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(gè)字母構(gòu)成的。 . 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。 除第一，第二，第三，第五，第八，第九，第十二為特殊形式，其他的序數(shù)詞均由其對(duì)應(yīng)的基數(shù)詞加后綴 th構(gòu)成。 年代： in the +年代 +s(或 ’s) 表示“在 … 世紀(jì) … 年代” in one’s +整 10數(shù)的復(fù)數(shù)形式 表示一個(gè)不確定的年齡 . He went to the United States in his twenties. That was in the early forties (4) 由基數(shù)詞
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