2014年成人高考专升本英语词汇和语法复习:数词三
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三、分数词的构成
分数的分子用基数词表示,分母用序数词表示,若分子大于1,分母需用复数。
two-thirds(2/3),one-third(1/3), nine-tenths (9/10), five-twelfths(5/12)。
特殊表达法有:one half (1/2),a quarter (1/4), three quarters (3/4) .
考试重点
基数词可以和其他词一起构成合成形容词,在句子中作定语,名词不能加s.
数词部分需特别注意dozen, hundred, million, billion 等词。表示具体数字时,这些词用单数形式,表示不具体的数字时,须用dozens of, hundreds of 这类的结构。
I want three dozen of these.
He has been there dozens of times.
当数词与名词及其他词构成合成形容词时,合成形容词中间若用连字符,则其中的名词须用单数形式。
The homework for the next period is to write a two-hundred-word composition about your hometown.
Mary is a eleven-year-old girl.
(Mary is eleven years old.)
典型例题
1. In ______ century computers will be used more widely.
A. twenty-one B. the twenty-one C. twenty-first D. the twenty-first
序数词前加the.
答案 D
5. “What did the professor tell you to do?”
“I had to write a ______ report. ”
A. two thousand words B. two-thousands-word
C. two-thousand-word D. two-thousand words
答案 C
6. “Did you buy anything at the clothing sale?”
“Yes, I bought three _____ ties for just twelve dollars.”
A. five dollars B. five-dollars C. five-dollar D. fifth dollar
答案 C
8. What date is it ? It's ________.
A. July twentieth-first B. July the twenty-first
C. the twenty-first of July D. Both B and C
7月21日:July the twenty-first
the twenty-first of July
答案:D
10. “Rex told me you have moved.”
“Yes, into a _______.”
A. two-storey house B. house of two story
C. house of two stories D. two-stories house
答案:A
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