内容正文:
专题04 数词
基础练
单项选择
1. May is _____ month of the year.
A. five B. the five C. fifth D. the fifth
正确答案: D
解析:5月是一年中的第五个月份。
序数词前一般需加定冠词the修饰。
2. There are _____ days in a year.
A. three hundred sixty-five
B. three hundreds and sixty-five
C. three hundred and sixty-five
D. three hundred and sixty five
正确答案: C
解析:一年有365天。
表示天数要用基数词,百位和十位之间要加and, 十位和个位间要加连字符。
hundred, thousand, million等词前面如有数字的词,要用原形,不能用复数形式。
3. The museum is about _____ away from my home.
A. four hundred meters
B. four hundreds meter
C. four hundred meter
D. four hundreds meters
正确答案: A
解析:博物馆离我家大约四百米远。
hundred, thousand, million等词前面如有数字的词,要用原形,不能用复数形式。
meter是可数名词,这里得用复数形式。
这里也可用four-hundred-meter
4. Here is a _____ ruler.
A. two feet long B. two-foot-long
C. two-foots-long D. two-feet-long
正确答案: B
解析:这是一根两英尺长的尺子。
若数词和名词之间加了连字符号“-”,即“数词-名词”结构,则该名词必须用单数形式。
空格后有个ruler,所以这里得用形容词性的词语来修饰,也就是所填的词语只能作定语;
选项中有连字符号的词语只能用作定语,而 two feet long”不能做定语,只能单独使用,一般放在句末。
5. _____ of the books were sold last week.
A. Two three B. Twos third
C. Two third D. Two thirds
正确答案: D
解析:上周三分之二的书售出去了。
分数表达法:分子用基数词,分母用序数词。分子大于1时,分母词尾加s。
6. Our school is nearly _____ your school.
A. four times as size as
B. four time the size of
C. four times the size of
D. four times as that of
正确答案: C
解析:我们学校几乎是你们学校的4倍大。
倍数表达法:
倍数+as+形容词或副词原形+as......
倍数+比较级+than
倍数+the+名词(size, height, length, weight...)+of
选项中size是名词,所以不能用在as...as..的结构中; time指倍数或次数时是可数名词,放在four后得用复数形式。
7. The river is _____ that one.
A. the fourth time as
B. four times longer
C. as four times long as
D. four times as long as
正确答案: D
解析:
倍数:twice 2倍,three times3倍,基数词+times
倍数表达法:
倍数+as+形容词或副词原形+as......
倍数+比较级+than
倍数+the+名词(size, height, length, weight...)+of
8. The weight of the moon is only about _____ of the earth.
A. one of eight B. one eightieth
C. one eight D. one the eighties
正确答案: B
解析:月亮的重量只是地球的八分之一。
分数表达法:分子用