来船的罗经方位有明显的变化，也可能存在碰撞危险的情况有（）

搜题请搜索小程序“爱下问搜题”

问题单项选择题

A.来船在远距离上作了一连串转向

B.近距离驶近一艘大船时

C.A、B均可能

D.A、B均不对

答案

参考答案：C

多项选择题

引起低钠血症的病因有（）。

A.低渗性失水

B.恶性肿瘤

C.营养不良

D.肝硬化腹水

E.水摄入过多

改错题

In 1972, the United Nations hold a meeting in Sweden 小题1:_________

to share ideas about ways to take better care of for the 小题2:__________

earth．At the summit, people from more than one hundreds 小题3:__________

countries discussed some of the important problems faced 小题4:__________

our planet．Since then, several Earth Summits had been held. 小题5:__________

In 2002, the Earth Summit was held in Johannesburg. 小题6:_________

One of the main theme was “sustainable development”, or 小题7:__________

the question what we can continue developing the world 小题8:__________

without damage the environment．Most of the speakers 小题9:__________

talked the three biggest killers in the world. 小题10:__________