常用的热电偶是()。
A、Pt-PtRh
B、Cu-CuCr
C、NiCr-Cu
D、Fe-NiFe
参考答案：A, B, C, D
脑出血多在活动时发病，逐渐出现肢体无力等神经系统定位症状和体征，多在1周后达高峰。（）
—What do you think of Halloween?
— _________. [ ]
A. Very fine
B. Very good
C. Very well
D. Very much
