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【单选题】
After her husband had gone to work and the children _____to school, she went upstairs.A.
had sent
B.
were sent
C.
had been sent
D.
were sending
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【简答题】英译中 The forecast says it's going to rain this evening.
【单选题】What is the same meaning of reverse distribution? （）
A.
Sales
B.
Sales and logistics
C.
Returned logistics
D.
Back and forth
【简答题】设常数 的二项展开式中 的系数为 ，则
【简答题】What is Reverse Logistics?
【单选题】What is poison reverse?
A.
It sends back the protocol received from a router as a poison pill, which stops the regular updates.
B.
It is information received from a router that can’t be sent back to the originating router.
C.
It prevents regular update messages from reinstating a route that has just come up.
D.
It describes when a router sets the metric for a downed link to infinity.
【单选题】The weather forecast doesn’t say _____.
A.
if it will rain tomorrow
B.
if does it rain tomorrow
C.
if it rains tomorrow
D.
if will it rain tomorrow
【单选题】---What does the weather forecast say?---__________________.
A.
Not exactly
B.
Thanks a lot
C.
It was foggy
D.
There is a chance of snow
【单选题】The saying 'the reverse story' in the last paragraph refers to______.
A.
what our PowerPoint Generation is interested in
B.
the serious problems of the healthcare in the U. S.
C.
the threatening appearance of an imminent crisis
D.
the severe crisis that CliffsNotes science predicts
【简答题】what is RPF（ Reverse Path Forwarding ）？
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