问题
单项选择题
下列构成对遇局面的是（）
A.互见中，一艘机动船与一艘用机器推进的从事捕鱼的船舶航向相反致有构成碰撞危险时
B.互见中一艘操限船与一艘限于吃水的船舶对驶致有构成碰撞危险时
C.互见中，一限于吃水的船舶与一艘驶帆并悬挂有一尖顶朝下的圆锥体号型的船舶对驶致有构成碰撞危险时
D.A、B、C均成对遇局面
答案
参考答案：C
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下列构成对遇局面的是（）
A.互见中，一艘机动船与一艘用机器推进的从事捕鱼的船舶航向相反致有构成碰撞危险时
B.互见中一艘操限船与一艘限于吃水的船舶对驶致有构成碰撞危险时
C.互见中，一限于吃水的船舶与一艘驶帆并悬挂有一尖顶朝下的圆锥体号型的船舶对驶致有构成碰撞危险时
D.A、B、C均成对遇局面
参考答案：C
"Eyes are windows of the soul." Everyone knows the 36 of the eyes. 37 more and more students are becoming near-sighted(近视). So how to protect the eyes is still a serious problem. Here is some advice on 38 protect your eyesight(视力). You should not keep your eyes 39 for a long time. When reading, you should keep the books about a foot away from you. After reading for an hour 40 two, you 'd better have a 41 by looking into the distance(远处). You must remember not to read in dark light or in 42, not to read on a moving bus or in bed. Doing eye exercises will help 43 to protect your eyesight. In a 44 , to keep 45 eyesight, we must have good studying habits.
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