宝宝耳朵积液怎么办:选择题,并说明原因。

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1.there are about two ___workers in the factory.
A.thousand B.thousand of C.thousands of D.thousands
2.___trees should be planted on the mountain
A.thousand B.thousand of C.thousands D.thousands of
3.we have planted___trees in San Bei.It's a "Great Green Wall"of trees
A.million B.millions C.millions of D.million of
4.___people were hurt in the train accident.so we must be more careful
A.hundred B.hundred of C.hundreds D.hundreds of
5.two thousands和two thousands of的用法区别?是不是thousand前面的数量词只要是大于one,thousand都必须要加s?

1.选A.
C thousands of 成千上万的.前不加数词.
D thousands 为复数时,前不加数词.

2.选D.thousands of +名词复数.意思是许许多多的...成千上万的...
B没加s.

3.选C.
分析跟thousand一样.

4.选D
跟thousands of 一样

5.two thousand 后面不用加s.
two thousand people.
后面加复数名词.表示两千..

two thousands of.表示许许多多,成千上万.

1.B thousand/hundred 前有数字时用单数,并有词组thousands /hundreds of
2.D
3.C
4.D
都是一样的道理,分清词组使用的方法。
祝天天有进步

1.A
2.D
3.C
4.D
没有two thousands of的用法
只能说 thousands of/two thousand of

ADCD
有基数词在前面时thousand, hundred 等词不能加s,也不能加of结构,只有在thousands of,时才可以使用。
因此,two thousands和two thousands of都是错的!

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1.a
2d
3c
4d
hundred和thousand前可以直接加ONE TWO但是表示不确定的时候就用HUNDREDS OF 和 THOUSANDS OF

1 D
2 D
3 C
4 D