加热炉常用的测温仪表有（）。
A、光学高温计
B、热电偶高温计
C、全辐射高温计
D、红外测温技术
参考答案：A, B, C, D
____ ,I went to the railway station to see my friend off.
A．After eating quickly my dinner
B．After my quickly eating dinner
C．After eating my dinner quickly
D．After eating my quickly dinner
腐蚀性场所照明配线，应采用全塑制品，所有接头处应( )。
A．绝缘
B．密封
C．包扎
D．接触牢固
