在生态影响评价过程中,对于3级评价项目,以重要评价因子受影响的方向为扩展距离不应小于( )。
A.2~8km
B.30~40km
C.8~30km
D.1~2km
参考答案:D
After the flooding, people were suffering in that area, _______urgently needed clean water,medicine
and shelter to survive. [ ]
A. which
B. who
C. where
D. what
照明灯具控制有哪几种方式?