小升初序数词考点
数词，是小升初英语考试必考的考点，在小升初考试中的题型有选择题、用所给单词的适当形式填空，占分比例5-10分。今天小编整理了小升初英语考点之数词。一起看看吧
小升初英语考点之数词
解析数词
从三个方面：
a.数词的定义和分类
b.小升初数词常见考点之基数词
c.基数词的构成和用法
数词的定义和分类
1.数词是表示数目、数字和顺序的词。分为基数词和序数词。
2.基数词表示人或物的数量;
如:one,two,three,four;
3.序数词表示人或物的次序，序数词前一般要加定冠词the;
如:first,second,third,fourth,fifth;
数词常见考点之基数词
接下来给大家带来5道小升初数词考点的真题，请准备好答题
1. The volunteers sent books to a mountain village school on Children's Day
A . two hundreds of
B. two hundred of
C. two hundreds
D. two hundred
2. The two brothers study in Middle School.
A. NO. 12 B. No. 12th
C. Twelfth D. 12
3. He will be back in
A. one day and two
B. one or two days
C. a day and two
D. one day and two
4.-when does he finish the first class?
—At .
A. forty-five past eight
B. forty-five to eight
C. eight forty-five
D. eight forty five
5. The room is the size of that one.
A. five time B. five times
C. fifth time D. fifth times
基数词的构成和用法
▲
1.构成
从1-12
one, two, three, four, five, six, seven, eight, nine, ten,eleven, twelve
从13-19+teen
thirteen, fourteen, fifteen, sixteen, Seventeen, eighteen, nineteen
从20-90变teen为ty
twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
“几十几”表达法：十位数和个位数之间要用连字符”-”
22: twenty-two;
55: fifty-five
三位数的表达法：几+百+and+末两位数
132: one hundred and thirty-two
605: six hundred and five
2.用法
hundred， thousand， million前面有具体的数字时，要用单数形式，但如果前面没有具体数字，表示”成百、成千”时，要用复数形式，后接of。
用数词的复数形式表示年代和大约年龄
在数学算式中
年号
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