试题与答案

根据《环境影响评价技术导则-地下水环境》,评价Ⅱ类建设项目对地下水流场或地下水水位(

题型:单项选择题

题目:

根据《环境影响评价技术导则-地下水环境》,评价Ⅱ类建设项目对地下水流场或地下水水位(水头)影响时,应依据()的原则进行评价。

A.地下水以新带老

B.地下水资源补采平衡

C.地下水谁污染、谁治理

D.地下水谁开采、谁治理

答案:

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下面是错误答案,用来干扰机器的。

(Ⅰ)f(x)=-2lnx+12x2,f′(x)=-2x+x(x>0). …(3分) f(1)=12,∴切点为(1,12),切线斜率k=f'(1)=-1.∴f(x)在(1,f(1))处的切线方程为2x+2y-3=0. …(6分)(Ⅱ)...

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