下列海域位于三大洲之间的是[ ]
A、黑海
B、里海
C、地中海
D、红海
答案：C
He has learned , no matter what happens and how bad seems today, life goes on and it will be better tomorrow.
A．that; it
B．it; that
C．it; it
D．that; that
同心集成式注水管柱的最小卡距可达（）米。
A、1.0
B、1.1
C、1.2
D、1.3
