单项选择题

New procedures for the operation of the security system will （） to ensure that there are no more delays in accessing the building on weekends.

A.introduce
B.introducing
C.introduction
D.be introduced

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单项选择题
The minerals boom has brought about an economic boom, which in turn has meant that real estate values have （） to record levels.

A.rose
B.raised
C.risen
D.been raising
单项选择题
The task of the high-profile planning committee will be to （） the Asian Games organizers to choose our city as the site of the next games.

A.convince
B.dispose
C.present
D.state
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