How did Katie know the mum was alive?
A. She saw the mum moving.
B. She saw the mum breathing.
C. She found the mum sleeping.
D. She found the mum shedding tears.
查看答案
Why didn't Katie think she herself was a hero?
A. Because the mum was only sleeping.
Because the mum was only frightened.
C. Because she did what anyone else would do.
D. Because she only did what the girl asked her to do.
我国法律规定既可以有国家标准、又可以有地方标准的环境标准是（ ）
A. 环境基准
B. 环境基础标准
C. 环境方法标准
D. 环境质量标准和污染物排放标准
对既有国家标准又有地方标准的环境标准，优先适用（）
A. 国家标准
B. 地方标准
C. 二者同用
D. 由行为人选择
我国现行国家环境保护机关是（ ）
A. 国家环境保护局
B. 国家环境保护部
C. 国家环境保护总局
D. 国家环境保护委员会
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