2015中考英语数词讲解及练习
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数词的分类
(一)基数词在英语中表示数目的词称为基数词。
1.基数词的构成
(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先说“几十”,再说“几”,中间加连字符
23→t wenty-three,34→thirty-four,45→forty—five,56→fifty-six, 67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one
(3)101—999先说“几百”,再加and,再加末两位数或末位数;
586→five hundred and e ighty-six,803→eight hundred and three
(4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第
二个“,”前为million, 第三个“,”前为billion(美式)或thousand ,million(英式),然后一节一节地表示。
1,001→one thousand and one
9,785→nine thousand, seven hundred and eighty-five
18,423→eighteen th ousand,four hundred and twenty-three
6,260,309→six million two hundred and sixty thousand three hundred and
nine
750,000,000,000→seven hundred and fifty, billion(美式) seven hundred and fifty thousand million(英式)
(5)月份、星期的单词
一月 January 二月 February 三月 March 四月 April 五月 May 六月 June 七
月 July 八月 August 九月 September 十月 October 十一月 November?十二月December?
Monday?星期一Tuesday?星期二Wednesday?星期三Thursday?星期四Friday?星期五Saturday?星期六Sunday?
2.基数词的用法
(1)作主语
e.g.Four Of them come from Paris.
(2)作宾语
e.g.一How many books would you like?
一I would like two.
(3)作表语
e.g.Seven minus two is five.
(4)作定语
e.g.There are three people in my family·
(5)作同位语
e.g. You two will go swimming with us.
(6)表具体数字时,hundred,thousand,million用单数。
e.g. There are six hundred students in our grade.
(7)表不确定的数字时,数词用复数。若带名词,再加of hundreds of(数百,成百上千的),thousands of(数干,成千上万的),millions of(数百万)
e.g,They arrived in two and threes.他们三三两两地来了。
(8)表示“…十”的数词的复数可以表示人的岁数或年代。
e.g. He is in his early thirties.他有三十来岁(31—34岁):
This took place in the 1930s.这事发生在二十世纪三十年代;
(9)表示时刻
e.g.I watch CCTV News at seven o’clock every evening.
(二)序数词在英语中表示顺序、次序的词称为序数词。
1,序数词的构成
4.序数词有时可与不定冠词连用,表示数量上"又—",“再一”
e.g: He tried a second time.他又试了—次.
(3)序数词的缩写形式为:阿拉伯数字加上这个词的末尾两个字母。 1st 2nd,3rd,4th,20th,21st,22nd,23rd
(三)数词应用
●4、年代的读法为两位、两位地读。整百的后读hundred,整千的
后读thousand,前常加“the year”。
1937读作nineteen thirty-seven
或:nineteen hundred and thirty-seven
1900年读作nineteen hundred
1905年读作nineteen and(或o)five
或:nineteen hundred and five
2000年读作the year two thousand
●5、年、月、日的英语顺序为“月,日,年”。“日”用序数词读
和写(写时也可用基数词);“日”读在“月”前时要加读“of”。
July 7(th),2005 2005年7月7日
读作:July the seventh two thousand and five 或the seventh of July
two thousand and five
Today is Thursday,September 19th.
今天星期四,9月19日。
6、12小时制时刻的读法分为顺读法和倒读法。顺读法
是依次读“点钟数、分钟数”。倒读法中,在前半小时:“分钟数+past
+已过点钟数”;在后半小时:“分钟数+to+下个钟点数”。半小时用
“half”,一刻钟用quarter。
6:00读作:six(o'clock)
7:30顺读:seven thirty 倒读:half past seven
9:15顺读:nine fifteen 倒读:a quarter past nine
2:45顺读:two forty-five 倒读:a quarter to three
21:50顺读:twenty-one fifty
倒读:ten to ten in the evening=9:50p.m.
24:00读作:twenty-four hundred hours=midnight
The bus usually leaves at 19:15.
公共汽车通常在19:15离开。