课时作业21 Unit 1 Great scientists
Ⅰ.单项填空
1．What made you ________ her of having taken the money?
A．believe B．think
C．suspect D．convince
解析：句意：是什么让你怀疑是她拿走了钱？suspect sb.of doing sth.怀疑某人做了某事；convince sb.of doing sth.说服某人做了某事。
答案：C
2．(2013·德州模拟)Reducing the gap between rich and poor is one of the main ________ the government faces.
A．difficulties B．challenges
C．problems D．conflicts
解析：句意：缩小贫富之间的差距是这届政府面临的主要难题之一。challenge 挑战；difficulty 困难；problem 问题；conflict 矛盾，冲突。
答案：B
3．A great many women were ________ by the advertisement that they could lose weight by wearing the slim dress.
A．taken on B．taken up
C．taken in D．taken off
解析：take in 欺骗。take on 呈现；take up 占用；take off 盛行。
