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【单选题】
高电压系统采用( )警示电缆,有效绝缘且防止电磁辐射。A.
红色
B.
橙色
C.
黑色
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【简答题】Old people sometimes know better ______.
【简答题】Older people sometimes know better________
【简答题】Old people sometimes know better___________．
【单选题】Children sometimes find it hard to _____ their parents’ expectations.
A.
come up with
B.
live up to
C.
make up for
D.
close up to
【单选题】. Although many people view conflict as bad, conflict is sometimes useful _______ it forces people to test the relative merits of their attitudes and behaviors.
A.
by which
B.
to which
C.
in that
D.
so that
【单选题】Why does Blair sometimes show up in a formal event without a tie?
A.
Because he wants to make a show.
B.
Because he wants to attract attention.
C.
Because ties are costly.
D.
Because he wants to live in a casual way.
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