断眉、空缺眉是眉毛中间出现缺位或（），使眉毛不连接，眉形不流畅。
A.眉中有疤痕
B.眉毛浅淡
C.眉中有痣
D.眉毛杂乱
参考答案：A
在应用变换训练法时，采用变换负荷因素方式进行训练时，通常有几种搭配形式（）
A、3
B、4
C、5
D、6
You are in charge of a power-driven vessel navigating at night.You sight the red sidelight of another vessel on your port bow.The other vessel’s aft masthead light is to the right of her forward masthead light. You should（）.
A.stop engines
B.hold course and speed
C.alter course to port
D.sound the danger signal
