成年人胫腓骨骨折平均临床愈合时间为
A．1～2周B．2～4周C．4～6周D．6～8周E．7～10周
参考答案：E
With the final examination ________, we are busy going over what we've learnt this term.[ ]
A. is approaching
B. has approached
C. approached
D. approaching
采用刺激迷走神经的方法可以纠正的心律失常是
A．阵发性室性心动过速
B．窦性心动过缓
C．窦性心律不齐
D．阵发性室上性心动过速
E．室性期前收缩
