在财务风险应对中，( )是最为有效的方法。
A．风险自留
B．风险缓解
C．风险转移
D．风险避免
参考答案：C
—Airplane design is a job ______ you to work 10 to 12 hours a day and sometimes seven days
a week.
—______. I think airplane design needs good teamwork as well. [ ]
A. that need; So it is
B. that needs; So it is
C. which needs; So is it
D. which need; So is it
过墙管一律装套管，并用（）水泥浆或豆石混凝土填嵌密实
A.1/2
B.1/3
C.1/4
D.1/5
