单项选择题

The question was discarded, because it was ambiguous.

A．incorrect
B．biased
C．vague
D．dull
<上一题 目录 下一题>
热门 试题

单项选择题
Flu shots are given every fall as a precaution against an epidemic the following winter.
A．required treatment
B．free service
C．preventive measures
D．new therapy
单项选择题
Mark Twain is one of the best American creative writers.
A．productive
B．inventive
C．fanciful
D．ingenious
相关试题