单项选择题
Carelessness may cause great damage or loss.()
A.粗心大意可能会造极大的损坏或损失。 B.粗心大意能造极大的损坏。 C.粗心大意可能会造极大的损失。 D.细心很重要。
单项选择题 I would like to talk with the chief officer.()
单项选择题 It is very important for a sailor to have a safety patrol.()
单项选择题 I would like to see the chief officer.()