题目内容：
Directions: The following is a list of terms. After reading it, you are required to find the items equivalent to (与……等同) those given in Chinese in the list below. Then you should put the corresponding letters in brackets on the Answer Sheet, numbered 51 through 55.
A —— Passport B —— Airline. C —— Flight
D —— Conveyor belt E —— Check-in counter F —— Loading area
G —— Claim cheekH —— Boarding passI —— Security check
J —— Airhostess K —— BoardL —— Take off
M —— Check in baggage N —— Claim the baggageO —— Land
P —— Delayed Q —— Airline agent
( ) 登机牌 ( ) 航空公司代理
参考答案：