腰肌劳损的注意事项包括()
A.注意纠正习惯性姿势不良
B.宜睡硬板床
C.在劳动中尽可能更换姿势
D.可作重体力劳动
E.加强腰部肌肉锻炼
参考答案:A, B, C, E
Though _____ in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life.
A.raised
B.grown
C.developed
D.cultivated
首先考虑的诊断是
A.肝硬化食管静脉曲张出血
B.消化性溃疡出血
C.急性胃黏膜病变出血
D.下消化道出血
E.食管贲门撕裂综合征出血