个汇流母线架构间接入的配电间隔不要超过（）个。
A、1-2
B、2-3
C、3-4
D、4-5
参考答案：C
— How do you like Guilin?
— It is the most beautiful place ______ I have ever been to.
A．where
B．which
C．that
D．what
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