有关输尿管走行的描述,正确的是()
A.在腹膜后沿脊柱旁向前下行
B.入盆腔后在骶髂关节外侧走行
C.过骶骨水平后再弯向内
D.最后水平进入膀胱
E.以上都对
参考答案:A
夜间会车时,若对向来车不关闭远光灯,交替使用远近光灯提示对方。
— Are you really through with your work assigned the day before yesterday?
— , I've only just begun .[ ]
A. On the contrary
B. On the other hand
C. Right you are
D. Never mind