矿槽贮料数量一般是矿槽的最大储量乘以（）。
A.矿槽数量
B.矿槽的有效容积
C.矿槽的几何容积
参考答案：A
比较世界发达国家城市生活垃圾的产生量情况，我国城市生活垃圾的规划人均指标以( )为宜。
A．0.6～1.2 kg B．0.6～1.4 kgC．0.9～1.2 kg D．0.9～1.4 kg
Shelly had prepared carefully for her biology examination so that she could be sure of passing it on her first
A．intention
B．attempt
C．purpose
D．desire
