目前，凭证式国债发行完全采用（）方式。

What can we infer from the passage？

A．Charles became rich after the voyage.

B．Charles became a Cambridge professor later.

C．Charles's health was somewhat damaged during the sea voyage.

D．Charles's father was very proud of his son.

A.letter of service on company letterhead signed and sealed by the master

B.Record of Entry in a Continuous Discharge Book for use in applying for a duplicate book

C.Certificate of Discharge with the white copy forwarded to the Commandant

D.Mutual Release (CG-2119)，and the articles should be annotated as to the loss

A、"Will this position require travel？"

B、"When do you expect to fill this position？"

C、"Can I have an office with a window？"

D、"What will be my responsibilities in this job？"

A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the trackline steamed during the night？

A.Williamson

B.Racetrack

C.180°turn

D.Anderson

We always have a lot of things ________during the voyage.

A.do

B.doing

C.to do

D.does