四六级考试

【单选题】 It is implied by the writer that ______.
A．it is cheaper to travel by plane than by train
B．the railway station is usually in the suburb of the city
C．when you get off the plane you will find yourself in the center of the city
D．no motorcar or plane can carry as many good as a train does

【单选题】 When the author cited the Brazilian legend he was _________.
A．trying to add a little humor
B．trying to illustrate his earlier point
C．simply joking
D．being religious

【单选题】 _________ you decide to spend your time, one thing is certain: you’ll arrive at your destination.
A．What
B．Whatever
C．How
D．However

【单选题】
A、He will see his parents
B．He will see a doctor
C．He will see ProfessorBrown
D．He will seeDean Williams

【单选题】 Why was Towne's early work with stimulated emission done with microwaves
A．He was not concerned with light amplification.
B．It was easier to work with longer wavelengths.
C．His partner Schawlow had already begun work on the laser.
D．The laser had already been developed.