等渗性脱水的常见病因是
A. 急性肠梗阻
B. 感染性休克
C. 肺炎高热
D. 慢性十二指肠瘘
Bees carry their food on their backs.
A. Right
B. Wrong
C. Doesn't say
在尺神经损伤的临床表现中,下列哪项是正确的
A. 桡侧皮肤感觉迟钝
B. 拇背伸功能障碍
C. 猿手畸形
D. 第三、四蚓状肌及骨间肌麻痹
We won't go to the Summer Palace if ______.
A. it rains
B. it will rain
C. it is raining