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【单选题】
需经适当加热,于氢氧化钠水溶液的萜具有的基团或结构是A.
内酯
B.
醇羟基
C.
羧基
D.
糖基
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举一反三
【单选题】I have called the station and they told me the next train for Dalian ________at 3∶10.
A.
will leave
B.
left
C.
has left
D.
leaves
【单选题】________ the alien was in the museum, I called the TV station.
A.
Because
B.
Then
C.
As soon as
D.
While
【单选题】I have called the station and they told me the next train for Beijing _______ at 8:10.
A.
will leave
B.
has left
C.
leaves
D.
left
【简答题】Pair 4 4.1 When I saw the smoke, I called the fire station to ask them to come immediately. 4.2 When I saw the smoke, I called the fire station to ask the ______ to come immediately.
【简答题】I called the station to about train times.remain, top, peril, unearth, matter,inquire, consistent, mode, granted, until
【单选题】I called the station to _____ about train schedules.
A.
acquire
B.
inquire
C.
require
【单选题】I have called the station and they told me the next train for Da Lian _____ at 3:10．
A.
will leave
B.
left
C.
has left
D.
leaves
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