磁性载体档案库房在24小时内相对湿度变化不得超过（）。
A、±4%
B、±5%
C、±6%
D、±7%
参考答案：B
I _____ of your trying to earn some money by taking part time jobs, but please don’t neglect your studies at university.
A．assess
B．acquire
C．appreciate
D．approve
适应障碍的病程往往较长，一般都会超过6个月。 ( )
