Question

The number of books in the bookshop is about 10,000 and a number of them
     about science.

A．is

B．was

C．a(chǎn)re

D．Were

Answer 1

C

考查動(dòng)詞的用法。依據(jù)第一句中的謂語(yǔ)動(dòng)詞“is（一般現(xiàn)在時(shí)）”可推斷出第二句的時(shí)態(tài)也應(yīng)是一般現(xiàn)在時(shí)，故保留A和C項(xiàng)；由短語(yǔ)“a number of...”的謂語(yǔ)動(dòng)詞是復(fù)數(shù)，故選C。