[单选] When the engine room is put in standby condition, the engineer in charge of the watch need not to（）

At an unsheltered anchorage the chief engineer officer shall consult with the master whetheror not to maintain an underway watch“An underway watch” means（） a watch which is kept with lower standard。 a watch which is kept when the ship isnt sailing。 a watch which is kept when the ship is sailing。 a watch which is kept when the ship is in a restricted visibility area。 产品设计的质量职能是什么？ 测量主回路501C-大地间绝缘值≥（），使用（）等级兆欧表。 …李教授在考察日记中写道：“今天，天昏地暗，吹着强劲的东风，气温在－40℃。这时，在我的家乡珠江三角洲，早稻正在收割。”下列水果，适宜在李教授家乡种植最有可能的是（） 苹果。 香蕉。 桃子。 梨。 营销人员有哪些职责？ When the engine room is put in standby condition, the engineer in charge of the watch need not to（）