从1，2，3，…，2014中选出不能表示成两个整数的平方差的数，这些数的和是（）.

M: The plane was supposed to arrive in Shenzhen at ten o’clock.W: Ten o’clock! But it’s already ten-thirty!What does the woman mean?（）

A．They're going to be very late.
B．The plane doesn't fly near Shenzhen.
C．The plane is going to land.

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的监理日记记录当日主要的施工和监理情况。

A.监理员
B．监理工程师代表
C．专业监理工程师
D．技术人员

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