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搜题
【单选题】
快速排序算法的性能取决于( )。A.
交换距离
B.
分解的速度
C.
合并步骤
D.
划分的对称性
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皮皮学刷刷变学霸
举一反三
【单选题】He came to help us _____ he had plenty of work to do.
A.
as
B.
while
C.
although
D.
whenever
【单选题】We ____ the task by the time he came to help us. [ ]
A.
had finished
B.
finished
C.
finish
D.
will have finished
【简答题】Before he came we had expected him to help us but when he was with us he didn't do much.
【简答题】He came to help us _________ he had plenty of
work to do.A. as B. while C. although D. whenever
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