Question

【题目】The number of books in the bookshop is about 10，000 and a number of them________about science．

A．is

B．was

C．are

D．were

Answer 1

【答案】C

【解析】考查主谓一致的用法。依据前半句中的谓语动词“is(一般现在时)”可推断出后半句的时态也应是一般现在时，故排除B、D两项；短语“a number of…”后的谓语动词用复数形式，故选C。