大剂量缩宫素禁用催产是因为
A．子宫底部肌肉节律性收缩B．子宫无收缩C．子宫强直性收缩D．患者血压升高E．患者冠状血管收缩
参考答案：C
.
—May I see your ticket, please? I think you ________ in my seat.
—Oh, you’re right. My seat is upstairs. I’m terribly sorry.
A．are sitting
B．sit
C．sat
D．have sat
头顶部，前正中线旁开1.5寸的经脉是：
A．足少阳胆经B．足太阳膀胱经C．足阳明胃经D．手少阳三焦经E．足厥阴肝经
