问题
单项选择题
船舶旋回圈中的旋回初径是指:()
A.自操舵起,至航向改变90°时,其重心在原航向上的横向移动距离
B.自操舵起,至航向改变90°时,其重心在原航向上的纵向移动距离
C.自操舵起,至航向改变180°时,其重心在原航向上的横向移动距离
D.自操舵起,至航向改变180°时,其重心在原航向上的纵向移动距离
答案
参考答案:C
船舶旋回圈中的旋回初径是指:()
A.自操舵起,至航向改变90°时,其重心在原航向上的横向移动距离
B.自操舵起,至航向改变90°时,其重心在原航向上的纵向移动距离
C.自操舵起,至航向改变180°时,其重心在原航向上的横向移动距离
D.自操舵起,至航向改变180°时,其重心在原航向上的纵向移动距离
参考答案:C
完形填空。 | ||||
This is my bedroom. I can see 1 picture on the wall.The light is 2 the desk. The football is 3 the chair. 4 is the bed? It's near the table. My father and 5 bedroom is near my bedroom. 6 flowers and a bed 7 in their room. Some windows are 8 the wall. A yellow door is in the wall, 9 . I like my bedroom 10 . | ||||
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