问题：The days are gone of having only one career ______

问题：The company policy says you may not use your cell phone to receive or place calls while ______

问题：Step 1: learning more about the audience - obtaining some information about the audience's backgrounds, ______

Directions：The following is a list of terms related to a trade show. After reading it, you are required to find the items equivalent to those given in Chinese in the table below. Then you should mark the corresponding letters with a line through the center in order of the numbered blanks, 53 through 57, on the Answer Sheet.

A-Damage report

B-Exhibit hall

C-Trade fair

D-Group visitors

E-Trade agreement

F-Show office

G-Exhibit manager

H-Certificate of origin

I-Fire lane

J-Aisle sign

K-Booth area

L-Booth number

M-Buying team

N-Cash in advance

O-Certificate of insurance

P-Display rules and regulations

Q-Floor plan

Examples： 展位面积； 过道标识

问题：What is the responsibility of a managing editor? Coordinating and managing ______ of the newspaper.