树木栽植期间要一边栽植一边浇水，以防树木脱水。( )
参考答案：错
Which process group focuses on completing the requirements of the project
A) Initiating. B) Planning. C) Executing. D) Closing.
用于计算生活垃圾产生量的公式是（）
A．A
B．B
C．C
D．D
