【判断题】【消耗次数：1】
在环保工作中， 把预防为主、源头治理放在首位。（ ）
①
正确
②
错误
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相关题目
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发展党员，必须把（）放在首位，经过（），坚持（）的原则。
①
思想状况，党的支部，个别吸收
②
政治标准，党的支部，个别吸收
③
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④
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in trouble
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in the trouble
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for trouble
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within trouble
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that
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average
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the; /
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③
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①
were put
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was put
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put
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as
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until
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