纳入农村供电所房屋维修储备项目均需要独立的（）。
A、项目建议书
B、可行性研究报告
C、预算书
D、项目规划书
参考答案：A, B, C
Lizzie was ______ to see her friend off at the airport [ ]
A. a little more than sad
B. more than a little sad
C. sad more than a little
D. a little more sad than
净浆标准稠度与凝结时间测定仪试杆与椎，试杆与滑动部分的总质量是多少？
