I have got an English friend. ______ name is Tom.[ ]
A. He
B. His
C. Her
D. She
答案:B
诊断腹腔内脏损伤最有价值的方法是()
A.超声波检查
B.腹腔穿刺腹腔灌洗术
C.腹部压痛
D.X线检查
E.同位素检查
在工控接口机上,设定高灵敏区上限的范围是()
A.0~100mV
B.0~200mV
C.0~400mV
D.0~500mV