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Huge quantities of information ________available on the internet, but whether the information ________ reliable needs to be further proved.
A.is, isB.are, isC.is, areD.are, are
B

试题分析:考查主谓一致。huge quantities of大量的,该词组修饰可数名词复数或者不可数名词,做主语的时候,谓语动词都使用复数形式。第二空句子主语是不可数名词information,后面使用单数形式。句意:在网络上有大量的信息,但是这些信息是否可靠需要进一步证明。故B正确、
点评:重点掌握主谓一致的用法。
1. 单数名词(代词),不可数名词作主语时,谓语用单数形式,复数名词(代词)作主语,谓语用复数形式。
The desk is Tom’s.    这张桌子是汤姆的。
Some water is in the bottle.   一些水在瓶子里。
The students are playing football on the playground.  这些学生正在操场上踢足球。
2. many a+单数名词作主语,意义虽为“许多”,但谓语要用单数形式。
Many a student has been to Shanghai. 许多学生到过上海。
3. more than one+单数名词作主语,谓语用单数。
More than one student has ever been to Beijing.   不止一个学生曾经去过北京。
4. 表示时间,价格,重量,数目,长度,数学运算等的词或短语作主语时,这些通常作一个整体概念,谓语用单数形式。例如:
Two months is a long holiday.   两个月是一个长假。
Twenty pounds isn’t so heavy.    2 0英镑并不太重。
Ten miles isn’t a long distance.   1 0英里并不是一段很长的距离。
Five minus four is one.             5减4等于1。
5. 主语是each/every+单数名词+and(each/every)+单数名词时,谓语动词用单数。
Each boy and each girl has got a seat.   每个男孩和女孩都有一个座位。
Every man and every woman is at work.  每个男人和女人都在工作。
6. one and a half+复数名词作主语,谓语动词用单数形式。
One and a half hours is enough.  一个半小时足够了。
7. 动词不定式,动名词作主语时,谓语动词用单数形式。
To see is to believe   眼见为实。
Doing eye exercises is good for your eyes.
做眼睛保健操对你的眼睛十分有益。因此在实际操练中要指导学法,掌握基本用法,注意变化就能突破。
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