女，26岁，闭经7月，1年前曾服药减肥
下列哪项检查可确诊

M：Please tell me I haven’t missed the deadline for tuition payment.W：I’m afraid you are about a week late.Q：What does the woman mean？（）

A．She’s worried that the man will miss next week’s deadline.
B．She doesn’t know when the deadline for tuition payment is.
C．The man should have paid his tuition a week ago.
D．The man has all week to pay his tuition.

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设备的( )是反映设备维修的工作质量和效率的最敏感、最全面的经济指标。

A.安装费
B．维修费
C．设计费
D．检查费

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