問題詳情：
Dear Sir,
I have to travel every day from So Uk Road to the Airport．Two buses travel along this route: the number 49 and the number 16．However, by the time the number 16 bus reaches So Uk Road, it is always full, so it is of no use for me．This leaves the number 49 which sometimes has empty seats on it．
The timetable states that there are buses from So Uk Road to the Airport every ten minutes．If this is so, why do I have to wait half an hour for a bus nearly every day?
The instructions state that if there are empty seats on a bus, the bus must stop at every stop where people are waiting．Why is it that half-empty buses go straight past me when I am standing at the bus stop?
The instructions state that no bus may carry more than 40 seated passengers and 20 standing passengers．Yesterday, I was first to get off the bus when it reached the Airport．I counted the other passengers as they got off．There were 129 of them．
Clearly printed on the back of every bus is a sign that says “Maximum speed: 50 m.p.h.” The distance from So Uk Road to the Airport is 10 miles．Saturday morning a 49 bus traveled the distance in ten minutes, at an average speed of 60 m.p.h.. At times it must have done at least 80 or even 90 m．p．h．
It is obvious that our bus companies have no respect for the instructions nor consideration for their passengers．Can nothing be done about this?
16．The writer prefers to take Bus No．49 because it _______．
A．stops at every stop B．has more seats on it
C．travels faster D．is not always full
17．According to the timetable, a 49 bus should travel through its route _______．
A．every ten minutes B．in less than ten minutes
C．in more than twelve minutes D．in half an hour
18．The writer is not satisfied with the fact that _______．
A．buses are too crowded
B．bus drivers often go straight past without stopping
C．too few buses are traveling along this route
D．bus services are poor
【回答】
DCD
知識點：閲讀理解
題型：閲讀理解
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