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【单选题】
Hofmann降解反应可用来制备A.
胺
B.
伯胺
C.
叔胺
D.
季胺
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举一反三
【单选题】If your baggage is missing, you can take the following steps EXCEPT______.
A.
go to the Baggage Service Office in the baggage claim area.
B.
call the local police for help.
C.
show the ticket and describe the detail of your lost baggage
D.
fill in the lost baggage form.
【简答题】Officer: Is your baggage only these two bags, madam?Passenger: ______
【单选题】It is advisable to ______ in case your baggage is lost.
A.
follow airlines’ contract of carriage
B.
retain any receipts you have
C.
declare higher value
D.
accumulate travel experience
【简答题】急性严重高钾血症时,神经肌肉兴奋性____,心肌兴奋性____,并可导致代谢性____。
【单选题】Under what circumstance, you should check in your baggage again for your connecting flight?
A.
If the baggage tag shows your final destination.
B.
If the baggage tag shows the airport you are connecting at.
C.
When you’re not sure.
D.
You should check your baggage in again in all conditions.
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