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【单选题】
确认某排污行为是否合法的根据是（）A.
污染物排放标准
B.
环境方法标准
C.
环境基准
D.
环境质量标准
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皮皮学刷刷变学霸
举一反三
【单选题】I would like to _______ Daniel _______ the most helpful student. [ ]
A.
recommend, as
B.
recommend, for
C.
recommendation, for
D.
recommend, to get
【单选题】In the third paragraph, the phrase \"with the upper hand\" mea
A.
In the third paragraph, the phrase ///////"with the upper hand///////" means A．being low in spirit
B.
having only one hand
C.
being active
D.
being passive
【简答题】______ into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns. A. Put B. Putting C. Having put D. Being put
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