题目

How would you like an easy way to earn 2,500 dollars? All you have to do is to sit around and wait for your meals. There’s catch, however. You have to stay in a chicken cage with a stranger for a whole week. There are no books or television or radio for amusement. You can’t leave until the week is up. And a camera will be recording your every move.Two people actually took the job.The idea came from Rob Thompson, a video artist. He wanted to make a film about the way animals are treated.His goal was to raise people’s awareness of the living conditions of animals that are raised for foNO和CO都是汽车尾气里的有害物质,它们能缓慢地起反应生成氮和二氧化碳气,2NO+2CO=N2+2CO2,对此反应,下列叙述正确的是    A.使用催化剂一定能加快反应速度 B.改变压强对反应速度没有影响 C.冬天气温低,反应速度降低,对人危害更大 D.外界任何条件怎样改变,均对此化学反应速度无影响
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