测试电源屏中信号电源两极对地电压，可以直接用万用表（）测量。
A.二极管档
B.电阻挡
C.电压档
D.电流档
参考答案：C
After a long trip in a(n)______ country, you'll find your _____ greatly improved. [ ]
A. English-speaking; spoken English
B. spoken English; English-speaking
C. speaking-English; spoken English
D. spoken English; speaking-English
急性硬膜外血肿的出血来源包括以下各项，除了
A．脑膜中动脉及其分支损伤
B．矢状窦或横窦损伤
C．筛前动脉损伤
D．桥静脉损伤
E．脑膜前动脉损伤
