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智能题库>大学英语>上篇 第6章 数词（选择题）
单选题

1、We have produced ______ this year as we did in 1993.

2、The old professor still worked hard when he was ______.

3、The computer company’s sales have decreased by ______ this year, so the board will hold a meeting next week to discuss this issue.

4、______ of the buildings were ruined.

5、Miss Xu says we are going to learn ______ and have a quiz tomorrow.

6、Born in a poor family ______, he is now successful businessman and has donated a lot of money to his hometown.

7、They received ______ of letters about their TV programs.

8、Who is that man, ______ in the front row?

9、Five hundred yuan a month ______ enough to live on.

10、______ trees have been planted near here, so the air is very fresh.