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【单选题】
对环境中有害物质和因素所做出的限制性规定的环境标准是()。A.
环境质量标准
B.
污染物排放标准
C.
环境标准样品标准
D.
环境基础标准
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反馈参考答案：
举一反三
【单选题】Let all our neighbors know that we shall join with them to oppose aggression or subversion anywhere in the Americas.
A.
rebuilding
B.
succession
C.
destroying
D.
salvage
【单选题】We need to let him know our plan he may refuse to join us.
A.
if
B.
because
C.
even if
D.
however
【单选题】Let all our neighbors know that we shall join with them to oppose aggression or subversion anywhere in the Americas.
A.
rebuilding
B.
successive
C.
devastating
D.
Concessive
【简答题】Let all our neighbors know that we shall join with them to oppose aggression or ________ anywhere in theAmericas.
【简答题】“太阳黑子”一词是1613年由哪位科学家正式提出的?
【单选题】Let all our neighbors know that we shall join with them to oppose aggression or subversion anywhere in the Americas.
A.
defense
B.
invasion
C.
destruction
D.
Competition
【简答题】How should you adjust the water level when cooking the rice? According to your own _________________.
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