All countries need       , timely and reliable climate information as well as high quality climate services , as they will benefit the whole humankind.

A．abstract

B．particular

C．smart

D．accurate

在环境影响评价实践中，最常用的方法是( )。

A．旅行费用法

B．隐含价格法

C．调查评价法

D．成果参照法