Which of the following, according to the author, should play the leading role in the solution to environmental problems?

A．Legislation and govemment intervention．

B．The industry's understanding and support．

C．The efforts of environmental health professionals．

D．The cooperation of ecologists, environmental activists and conservationists．

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c。本题要从文中多个细节找答案。文章第三段首句提到，应该是环境卫生专业人士走上前线，带头解决环境问题的时候了；第三句提到，环境卫生专业人士有责任引发变革；最后一句以强调句的形式提到，我们中受雇拟定、改善和实施环境标准的决策者们应该起带头作用，由此可知，在解决环境问题方面居主导地位的应该是环境卫生专业人士的努力，故选c。

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1 It can be inferred from the passage that __________

A．environmental degradation may be stopped

B．environmental degradation may not be held back

C．it's better to spend pollution dollars on bandages

D．there is no link between environment and health

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2 根据以下资料，回答题：
        I heard a knock at the door．I peered through the peephole, and there was my father．As I opened the door, Dad began talking although he seemed strangely out of breath, "The power is out all along the northern east coast．
        People are saying that something went wrong at Niagara Falls．A power line must have failed．"
        I was astounded．Power line?
        I was getting on the elevator, and the door wouldn't close．I got irritated with it and finally climbed down to the lobby--all nine stories--to find out what the matter was． That was just like Dad to get angry at something that didn't work．
        All of a sudden, we heard people shouting from outside．Dad．opened up the window．"Wow, look out there!"Intrigued, I opened another window and looked out．The street was packed with cars whose drivers didn't know when or where to go．Policemen filled the streets trying to mollify the pandemonium: Right across the road,workers, who had been trapped on the eleventh floor while building, attempted to cling to railing and climb down to safety．Peoples' interrogating and raucous shouts filled the hot August air．
        I realized my father was speaking, "We can't stay up here．With no power, there will be no emergency services．If the building caught on fire, we'd, be trapped．Let's go and I'll try to call Mom．" He grabbed some cash and the cell phone．I followed him in the fatiguing trip down the stairs to the lobby．Why couldn't we have gotten a room on the first floor?
        I took a small couch and sat down．The stifling hotel lobby was full of people．come were hoping to get a room; others had returned to the hotel because their flights had been canceled．Many attempted to contact family or friends on cell phones．I relaxed on the couch, noticing the only light in the room was from the few sunrays that managed to enter through the windows．Restless, Dad left to wander around Times Square．He could never sit around without being occupied．
After what seemed like hours, Dad finally returned．I let him sit on the couch while I tried to cool down on the marble floor．The sun had set, and the room was dark, illuminated only by two small candles that tossed shadows upon the wall．
        I lay down on the floor and tried to nap．The surface was very hard, but it was nice and cool．I drifted off to sleep only to awaken immediately．At first this had been an exciting adventure, but now I just wished the electricity would come back on so we would be able to go back to our room．I lay there with my eyes closed, unable to sleep, listening to people nearby as they talked．I must have finally fallen asleep though, for I woke up and asked Dad what time it was．
        "Eight．The lights are on two blocks down from us．The power should come back on pretty soon．" He paused,a look of reverie on his face, "You know, last night I was able to see the stars over Times Square．I wonder how long it's been since somebody was able to see that．"

Like his father, the author__________

A．was shocked by the news that the power was out

B．tried to get on the elevator to go down

C．was likely to get angry at something that went wrong

D．had wanted to have a room on the first floor

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3 The word "pandemonium" in Paragraph 4 probably means __________

A．disaster

B．chaos

C．crowd

D．accident

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