单项选择题
The ()(鹅颈头)is bent.
A.gooseneck B.block C.lockpin D.grab
单项选择题 The ()(吊货索套) at hatch No.1 is quite worn out.
单项选择题 Please fix some more ()(货灯).
单项选择题 When the winch is in trouble, the sailor must call the ()(电工) to repair it.