淹溺的病理变化不包括（）。
A.低血钾
B.肺不张
C.阻碍气体交换
D.低体温
E.代谢性酸中毒
参考答案：A
2级肌力肌肉的肌力训练采用（）
A.肌肉电刺激疗法
B.主动一辅助训练
C.免负荷运动
D.抗阻训练
E.传递神经冲动的训练
I _____ this school for three years. I'll graduate in two weeks.[ ]
A. came to
B. come to
C. have come to
D. have been in
