单项选择题

Their income increased by 21 percent over that of the previous year.

A．他们的收入比前年增加了百分之二十一。
B．他们的收入增加到前年的百分之二十一。
C．他们的收入比上一年增多到百分之二十一。
D．他们的收入比上一年增长了百分之二十一。
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单项选择题
What is the lesson for American business
A．Many women still pay more attention to their homes.
B．Nowadays many women have other interests besides their homes.
C．Many women have no interests.
D．Many women don't care of their homes any longer.
单项选择题
After reading the passage we know that ______ .
A．all women in the U.S.A. have jobs
B．all the women in the U. S. A. like to work very much
C．half of the women aged 18 to 64 in the U. S. A: have jobs
D．fifty percent of the U.S.A. women have jobs outside their homes
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