根据《劳动法》规定，劳动合同的必备条款中，试用期最长应不超过( )。
A．1个月
B．2个月
C．3个月
D．6个月
参考答案：D
I've had some difficulties, but they were nothing ________ yours.[ ]
A．compared to
B．compares with
C．comparing to
D．comparing with
在生产锶铁氧体时出现“跑锶”缺陷是因为（）工序操作不当造成的。
