压延件的（）除以坯料直径即是压延系数。
A、厚度
B、内径
C、外径
D、直径
参考答案：C
Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
A．of
B．with
C．for
D．on
Facing such a man, you have to keep your mind clear, or your will _______.
A．take in
B．be taken in
C．be taken away
D．taken in
