单项选择题
The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?（）
A.It will have no effect B.It will increase the holding power C.It will reduce the holding power D.It will cause the anchor to snag
单项选择题 The survival craft’s engine is fueled with（）.
单项选择题 The ship’s bearing is 145°（）the Lighthouse.
单项选择题 The ship will（）backward if Hatch No.4 and No.5 are over stowed.
