科学研究的一般步骤有哪些？
参考答案：
（1）选择问题。
（2）提出假设。
（3）设计方法。
（4）收集资料。
（5）分析资料。
（6）作出结论。
若y=（2-m）xm2-2是二次函数，则m等于（ ）
A．±2
B．2
C．-2
D．不能确定
Managing risk and documenting them is very important in project planning process. You are in the process of defining key risks, including constraints and assumptions, and planned responses and contingencies. These details will be included in the （）.
A.project management plan
B.project baseline
C.risk response plan
D.risk baseline
