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【单选题】
一个问题可用动态规划算法或贪心算法求解的关键特征是问题的( )A.
贪心选择性质
B.
重叠子问题
C.
最优子结构性质
D.
定义最优解
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【单选题】听力原文：M: Bill was a great guy. He was drowned while rescuing a child from the icy water of the fiver yesterday. W: Well, as far as I know that was not the first dangerous situation he was in. Which of ...
A.
Robust.
B.
Brave.
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Generous.
D.
Dangerous.
【单选题】The icy conditions made our travel dangerous. So () going by car we took the underground.
A.
instead of
B.
in addition to
C.
as well as
D.
at the cost of
【单选题】It was reported that two roads being closed in Teesdale _____icy road conditions.
A.
resulted in
B.
resulted from
C.
brought about
D.
led to
【单选题】The only places in Australia that experience regular winter snowfall and icy conditions are
A.
the eastern coastal areas of Queensland
B.
the Blue Mountains
C.
the New England Tableland
D.
the highest peaks of the Snowy Mountains and Victorian Highlands
【单选题】Icy road conditions in Teasdale ___________ two roads being closed.
A.
came about
B.
came across
C.
resulted in
D.
resulted from
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