在冷库的库址选择时应当重点考虑以下()等几点。
A、水源、电源
B、区域环境
C、地形、地质
D、交通运输
E、经济发达程度
参考答案:A, B, C, D
It’s required that the students__ mobile phones in their school, so seldom _ them using one.
A.not use; will you see
B.should not use; you will see
C.don’t use; will you see
D.would not use; you will see
当土壤颗粒的粒径大于0.01mm时吸附能力比较()