顺流拖首离码头时，大船倒缆宜出自（）导缆孔，拖缆则带至（）。

搜题请搜索小程序“爱下问搜题”

问题单项选择题

A.最前/最前

B.最前/首楼外舷中间或稍后

C.船中略前/最前

D.船中略前/首楼外舷中间或稍后

答案

参考答案：B

选择题

Determined to devote himself to those poor children, he chose to teach in a western province, though he _______ in the city for a better life．

A could stay B would have stayed C could have stayed D had stayed

单项选择题 A3/A4型题

男性，19岁，恶心、呕吐2天，嗜睡、乏力。尿酮体（±），尿糖（++++），血糖29．5mmol／L，血钠140mmol／L，BUN14．2mmol／L，血浆渗透压315mmol／L

经小剂量胰岛素治疗后4小时最可能出现（）。

A.低钾血症

B.低血糖

C.心衰

D.脑水肿

E.高氧