要承担环境保护民事责任必须具备哪三个条件？
参考答案：一、危害环境的行为存在；
二、环境损害的事实存在；
三、危害环境的行为与环境损害的事实有因果关系。
The Chinese women's volleyball team was the champion in the 16th Asian Olympic Games but the
Korean women's volleyball team was only ________ beaten. [ ]
A. nearly
B. narrowly
C. hardly
D. slightly
石英介质的折射率为（）
A.1.003
B.1.33
C.1.43
D.2.42
