单项选择题

The fast development of the world economy will __ many new problems.

A．bring about
B．bring around
C．bring out
D．bring up
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单项选择题
A complete refining installation must include waste __ and water-treating equipment.
A．dismissal
B．survival
C．disposal
D．range
单项选择题
When you’ve finished reading a book, and the pages are filled with your notes in the ____ , you know you read actively.
A．intervals
B．borders
C．margins
D．edges
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