地面上高程相同的各相邻点所连成的闭合曲线称为等高线，相邻等高线之间的水平距离称为等高距。( )
参考答案：错
The little girl who got lost decided to remain she was and wait for her mother. [ ]
A.where
B.what
C.how
D.who
我国现行《海船船员值班规则》规定，主管机关对船员工作小时和休息时间的记录每()检查一次。
A.1个月
B.3个月
C.6个月
D.12个月
