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【简答题】C代码中,定义一个for循环语句,循环变量i初值为0,条件为<=100,步进为+1的语句写法为:__________(只写for语句)
【单选题】By _______ the heart ______a pump, he helped the children to understand its function. [ ]
A.
compared, to
B.
comparing, to
C.
comparing, with
D.
compared, with
【单选题】The children helped to carry their mother’s from the shops.
A.
purchases
B.
matters
C.
commodity
D.
goods
【单选题】Counseling programs have helped in preventing children from re sorting to violence.
A.
Y
B.
N
C.
NG
【单选题】设有一个无向图G=(V，E)和G′=(V′,E′)，如果G′为G的生成树，则下面不正确的说法是(40)。
A.
G′为G的子图
B.
G′为G的极小连通子图且V′=V
C.
G′为G的一个无环子图
D.
G′为G的边通分量
【单选题】---It was ___________ who helped us out of danger. ---What brave and helpful children! We should learn from them.
A.
they
B.
them
C.
their
D.
theirs
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