单项选择题
（）（降低）the gangway, please.
A.Lower B.Higher C.Lowered D.High
单项选择题 Let me show you to the（甲板）（）.
单项选择题 Please （填写）（）this visitor’s registry book.
单项选择题 They should take care of（锚链）（）to ensure that they are in normal condition.
