此时最合适处理是纠正休克的同时给
A．清宫
B．催产素静脉滴注
C．维生素K
D．前列腺素
E．升压药
参考答案：A
Where is Jack ?Sorry, I don’t know. Go and ask his brother.
He _____ know. [ ]
A. can
B. may
C. must
D. need
草鱼的“老三病”是指哪三种病？（）
A、赤皮、烂鳃、肠炎
B、赤皮、烂鳃、出血
C、烂鳃、肠炎、出血
