单项选择题

What kind of machine can generate negative ions indoors

A．Ionisers.
B．Air-conditioners.
C．Exhaust-fans.
D．Vacuum pumps.
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单项选择题
The author's attitude towards women having a career is _________.
A．critical
B．positive
C．neutral
D．realistic
单项选择题
The most appropriate title for the passage would be_________.
A．The Well-being of Career Women
B．Sources of Mastery and Pleasure
C．Two Aspects of Women's Well-being
D．Multiple Roles of Women in Society
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