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问答题

Fill in the blank in the sentence with a word or phrase taken from the box in its appropriate form.
neighboring          lease      intellectual              interfere   
as for                   swing      determined           hit(n.)
A copy of the agreement for           the venue is required to apply to start the business.

单项选择题

点动与长动结合控制电路在（）时实现点动。
 
A、SA闭合
B、SB2断开
C、SA断开
D、SB1闭合