单项选择题

According to Dr. Stuart Starr,______.

A．the other options proved totally unsuccessful
B．everyone knows how to deal with HIV virus effectively
C．the new therapy is but one among a number of options
D．the new approach might take the place of other therapies

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单项选择题

What right did women win in government

A．To influence the members of the law-making body.
B．To vote for senators.
C．To vote a Bill through.
D．To make the Constitution.

单项选择题

What happened in 1920

A．Radio was first used.
B．The first president was elected.
C．The first car came into being.
D．The first airplane was made.