治疗痿证、瘫痪宜选用()用于镇静、止痛、缓解肌肉痉挛宜选用()
A.疏密波
B.断续波
C.锯齿波
D.疏波
E.密波
参考答案：B,E
What the young man can't _____ is that his mum always treats him like a baby. [ ]
A. support
B. undertake
C. hold
D. bear
如用电子胎心监护测胎心率，下列指标提示胎儿缺氧的是
A．早期减速
B．变异减速
C．晚期减速
D．变异的频率≥6次/分
E．胎心率的波动范围在10～25次/分
