(2013·河南豫西五校高三质检)Misunderstandings ________ from lack of social communication, unless ________ properly, may lead to serious problems.
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A
arisen; handling
B
arising; handled
C
rising; handled
D
risen; handling
推荐题目
We will have modern equipment ______ things that are complicated. This will make things simple.      
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A
to assist us with
B
assist us to
C
to assist us in
D
assisting us with .
The manager has to get all these washing machines______________.
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A
to deliver
B
be delivered
C
delivered
D
delivering
A new way of teaching _____ in the article can make learning easier.
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A
introduced
B
has introduced
C
was introduced
D
is being introduced