More than two _______years ago, people k...

More than two _______years ago, people knew little about the universe.

A．thousands

B．thousand

C．thousands of

D．thousand of

B 【解析】此题考查名词的量。确切数量常用数词+hundred/thousand/million/billion+名词的复数形式；不确切数量常用hundreds/thousands/millions/billions + of+名词的复数形式.

考点分析：

相关试题推荐

I can't drive a car now, but I_______ able to do it in 2015.

A．was

B．will be

C．am

D．is

查看答案

They arrived at our factory yesterday.

A．came

B．got

C．reached

D．went

查看答案

I will telephone you at four o’clock.

A．wake you up

B．call your name

C．ring you up

D．ring up you

查看答案

We saw flowers and trees everywhere.

A．over there

B．here and there

C．somewhere

D．anywhere

查看答案

The man was mad at me.

A．is angry

B．was mad on

C．was angry with

D．is angry with

查看答案

试题属性