—What's the matter with Rod?

—I think he's still       that he didn't pass the driving test.

A．excited

B．loose

C．upset

D．glad

无损磁性测厚仪是根据它的探头和（）之间的磁通量变化指示出防腐层厚度。

A.玻璃布

B.底漆

C.沥青

D.钢基