与股市相关的避险工具只有股指期货。()
A. 正确
B. 错误
【C14】______
A. off
B. from
C. down
D. out of
Who is required to adhere to this new timetable?
A. Some members
B. All members
C. The offcie manager only
D. Those who aren't often punctual
下列有关联合体承包模式和合作体承包模式的描述中不正确的是()。
A. 业主的组织协调工作量不同
B. 联合体承包模式的合同结构简单
C. 合作体承包模式,业主风险较大
D. 联合体承包有利于竞争