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【单选题】
如图的有向带,采用Dijkstra算法求源点a到其他各顶点最短路径,得到第一条最短路径的目标点b,得到第二条最短路径的目标点c,那么其余的依次目标顶点是()。A.
def
B.
edf
C.
fde
D.
fed
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反馈参考答案：
举一反三
【单选题】If the buyer charters a ship and sends for the goods，the transit ______ by shipment of the goods，although the seller does not know where the goods are being taken．
A.
is terminated
B.
is stopped
C.
is not terminated
D.
is not stopped
【单选题】I have always been honest and straight forward, and it doesn’t matter ____that I’m talking to.
A.
who is it
B.
who it is
C.
it is who
D.
it is whom
【单选题】—I am afraid I am a man without luck. I have been tryin g and have always been turned away. —________. Just have a little patience. [ ]
A.
Things at the worst will mend
B.
Time and tide wait for no man
C.
Fear always springs from ignorance
D.
Troubles never come singly
【单选题】Goods in transit are included in a purchaser's inventory:
A.
At any time during transit.
B.
When the purchaser is responsible for paying freight charges.
C.
When the supplier is responsible for freight charges.
D.
If the goods are shipped FOB destination.
【单选题】I have always been honest and straightforward, and it doesn’t matter ______ I’m talking to.
A.
who is it that
B.
who it is that
C.
it is who that
D.
it is whom that
【单选题】I have always been honest and straightforward, and it doesn't matter ________ I'm talking to. [ ]
A.
who is it
B.
who it is
C.
it is who
D.
it is whom
【简答题】War risks are applicable while the goods are in transit by sea or air but not at any time while on the land．（ ）
【单选题】I have always been honest and straightforward , and it doesn't matter_______I'm talking to.
A.
Who is it
B.
who it is
C.
it is who
D.
it is whom
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