2017年河南成人高考仅剩半年的时间，虽然半年听起来时间很长，但是对于许多已经工作的成教考生来说，从现在开始就要进入成人高考的复习了。为此，河南成教网特整理了2017年河南成人高考专升本英语词汇复习，仅供广大2017年河南成教考生参考学习。
数词
一、基数词及其主要用法
表示数目的词称基数词。15 fifteen，几百几千不加s，242 two hundred and forty-two，5058 five thousand and fifty-eight，9，600，000 nine million six hundred thousand
1.基数词可以用于数字的计算。
6+8 = 14 Six plus eight is fourteen.
9-7 = 2 Nine minus seven is two.
7X5 = 35 Seven times five is thirty-five.
8÷4 = 2 Eight divided by four is two.
2.基数词可以表示人的大致年龄和年代。
He died in his fifties.
3.基数词可以用来表达年份、时间、电话号码。
1700 seventeen hundred
1814 eighteen fourteen
4.基数词可以用于编号。
Number six， line 4， page 19， Bus(No.) 332， Platform (No.) 5， Room 101
5.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。
A one-month-old baby can recognize its mother by smell.
This eleven-month-old baby can speak a few words.
(The baby is eleven months old.)
The teacher asked us to write a four-thousand-word essay as our homework.
(There are four thousand words in the essay.)
二、序数词及其主要用法
表示顺序的词称为序数词。如first， second， third， fourth， ninth， twenty-first， forty-fifth等。
序数词可以用来表示日期和世纪。May the first / the first of May (5.1) ， August the eighth / the eighth of August (8.8) ， the twentieth century， the twenty-first century
序数词在句子中前面一般加the
The first of October is our National Day.
She was the third to arrive.
序数词在句子中前面加不定冠词，表示“再一”又一“。
They'll have to do it a second time.
Shall I ask him a third time?
When he sat down ， a fourth man rose to ask.
温馨提示：鉴于2017年河南成人高考考生大多为在职人员，为提升广大成人高考考生的复习效率，助力2017年河南成教考生考上自己心仪的学校，河南成教网特开设2017年河南成人高考辅导班，通过率高达98%，有需要的考生可以参加报名学习。
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