面对快速发展的市场，企业计划应以（）为主。
A、长期具体计划
B、指导性计划
C、短期具体计划
D、战略计划
参考答案：B
— Is the book Lock And Key in the library?
— _____. The school has just bought many new books. [ ]
A. Shall be
B. Would be
C. Might be
D. Should be
在水土保持措施设计中，防洪标准一般按（）级建筑物考虑。
A.2
B.3
C.4
D.5
