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小編給各位初三考生整理了各學科的復習攻略,本文是初中英語知識點總結:中考英語知識點—基數詞的用法,幫助各位考生梳理知識脈絡,理清做題思路,希望各位考生可以在考試中取得優異成績!
基數詞的用法
(1)表示數量
Eg. 一 How many books would you like?
一I would like two.
(2)表示號碼
eg.My phone number is 6887789.
(3)表示時間
eg.I watch CCTV News at seven o’clock every evening.
(4)表示“…十”的數詞的復數可以表示人的歲數或年代。
eg. He is in his early thirties.他有三十來歲(31—34歲):
This took place in the 1930s.這事發生在二十世紀三十年代;
(5)表具體數字時,hundred,thousand,million用單數。
eg. There are six hundred students in our grade.
(6)表不確定的數字時,數詞用復數。若帶名詞,再加of ,hundreds of(數百,成百上千 的),thousands of(數干,成千上萬的),millions of(數百萬)
eg 。 Hundreds of old people died of cold last winter.
基數詞的構成
(1)1-20
one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,
sixteen,seventeen,eighteen,nineteen,twenty
(2)21-99 先說“幾十”,再說“幾”,中間加連字符。
23→twenty-three,34→thirty-four,
(3)101—999先說“幾百”,再加and,再加末兩位數或末位數;
586→five hundred and eighty-six,803→eight hundred and three
(4)l,000以上,先從右往左數,每三位數加一個“,”,第一個“,”前為thousand.第二個“,”前為million,第三個“,”前為billion,然后一節一節地表示。
9,785→nine thousand, seven hundred and eighty-five
6,260,309→six million two hundred and sixty thousand three hundred and nine
750,000,000,000→seven hundred and fifty, billion