【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
Missiles carried by submerged submarines.
B.
Messages sent by submerged submarines.
C.
Blue-green lasers used by submerged submarines.
D.
The way to send a message to submerged submarines.
【单选题】It would be interesting to discover how many young people go to university without any clear idea of what they are going to do afterwards. If one considers the enormous variety of courses【C1】______ , ...