you often go to school at 7:30 in the morning?[ ]
A. Are
B. Do
C. Can
D. Does
答案:B
腹股沟三角的内侧界是()。
A.腹直肌外侧缘
B.腹直肌内侧缘
C.腹股沟韧带内侧半
D.腹股沟韧带外侧半
E.腹壁下动脉
样品温度过高会使电容式微量水分仪()。
A、响应极慢
B、读数不准
C、指示超出测量上限
D、指示为零