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【简答题】
ControllerLink网的节点有哪几种类型？各做怎样的配置？
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反馈参考答案：
举一反三
【单选题】We regret having received your offer too late, BECause we ____ our needs elsewhere.
A.
already cover
B.
already covered
C.
have already cover
D.
had already covered
【单选题】We regret to ________ you that our library will be closed next Wednesday, Thursday and Friday for the sports meeting. [ ]
A.
say
B.
speak
C.
inform
D.
notice
【单选题】We regret having received your offer too late, because we ____ our needs elsewhere.
A.
already cover
B.
already covered
C.
have already cover
D.
had already covered
【单选题】Much () our regret, we cannot ship the goods within the time limit of the L/C owing to the unforeseen difficulties on the part of mill.
A.
for
B.
on
C.
to
D.
at
【单选题】If we ________ now to protect our mother river ---Li Jiang River , we ‘ll live to regret it.
A.
haven’t acted
B.
won’t act
C.
don’t act
D.
hadn’t acted
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