概数(hundreds/thousands of)与确数 知识点

概数(hundreds/thousands of)与确数:约数就是大约的数,也叫概数;确数就是准确的数,单个的数字是确数,但两个数字连用就有约数和确数之分。一般地,中间没有顿号的是约数,有顿号隔开的是确数,顿号此时相当于“和”,前后是并列关系,两数字能否并存是判断的关键!概数在表达上都有一些明显的标志,一般都用“大约”、“左右”、“上下”“好象”这类词。

概数(hundreds/thousands of)与确数 知识点题库

Fourteen____.   

A . millions B . milliones C . million
There are      days in a year.    
A . three hundreds and sixty five B . three hundred and sixty-five C . three hundred s and sixty five D . three hundreds and sixty—five
There are over_____students in their school.
A . hundreds B . nine hundreds C . hundreds of D . nine hundred.
____trees are cut down.
A . Two thousands B . Thousands of C . Two thousands of D . Thousand of
Do it__________. The film will be on_________ 30 minutes. I think the Captain America. The first Avenger is __________ X Men.
A . quickest, by, more 2 hundreds times interesting than B . quicker, for, 2 hundred time less interesting than C . more quickly, in, 2 hundred times more interesting than D . quicklier, to, 2 hundreds time more interesting than
There are________ stars in the sky, but some of them are too far to be seen.
A . thousands B . thousands of C . thousand of D . several thousand
More than ________ VIPs will come to Beijing for the Olympic Games.
A . eight hundreds B . eight hundred C . eight hundred of D . eight hundreds of
—How many books are there in your school library?

—There are_____.

A . two hundreds B . any C . a lot of D . three thousand
I've had _______ calls from other parents.
A . hundreds of B . hundred of C . hundreds D . hundred
There are _______ beautiful flowers.
A . hundreds B . hundred C . hundreds of D . hundred of
Our school has _______ teachers and students.
A . thousands B . thousand C . thousand of D . thousands of
_______ people attended the marathon.
A . Thousand of B . Thousands of C .  Thousand D . Thousands
Suddenly _______ birds flew out of the trees.
A . thousands B . thousand of C . thousands of D . thousand
I will buy       dress and      socks.
A . an, a pair of B . a pair of, a C . a, a pair of
He finished        maths exercises in 5 years.

A . thousand of B . thousands of C . a thousand of
This city has got seven ________ people.
A . million B . millions C . millions of
More than ________VIPs will come to Beijing for the Olympic Games.
A . eight hundreds B . eight hundred C . eight hundred of
There are two (hundred/ hundreds) books in the small library.
_________ students were invited to the opening ceremony last Sunday.
A . Three hundred B . Three thousand C . Hundreds of D . Thousands of E . 以上都不对
More than nine _______ students are doing sports now.
A . hund B . hundreds C . hundred
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