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【简答题】
What can be done about mass unemployment? All the wise heads agree: there’re no quick or easy answers. There’s work to be done, but workers aren’t ready to do it—they’re in the wrong places, or they have the wrong skills. Our problems are “structural,” and will take many years to solve. But don’t bother asking for evidence that justifies this bleak view. There isn’t any. On the contrary, all the facts suggest that high unemployment in America is the result of inadequate demand. Saying that there’re no easy answers sounds wise, but it’s actually foolish: our unemployment crisis could be cured very quickly if we had the intellectual clarity and political will to act. In other words, structural unemployment is a fake problem, which mainly serves as an excuse for not pursing real solutions. The fact is job openings have plunged in every major sector, while the number of workers forced into part-time employment in almost all industries has soared. Unemployment has surged in every major occupational category. Only three states, with a combined population not much larger than that of Brooklyn, have unemployment rates below 5%. So the evidence contradicts the claim that we’re mainly suffering from structural unemployment. Why, then, has this claim become so popular? Part of the answer is that this is what always happens during periods of high unemployment—in part because experts and analysts believe that declaring the problem deeply rooted, with no easy answers, makes them sound serious. I’ve been looking at what self-proclaimed experts were saying about unemployment during the Great Depression; it was almost identical to what Very Serious People are saying now. Unemployment cannot be brought down rapidly, declared one 1935 analysis, because the workforce is “unadaptable and untrained. It cannot respond to the opportunities which industry may offer.” A few years later, a large defense buildup finally provided a fiscal stimulus adequate to the economy’s needs—and suddenly industry was eager to employ those “unadaptable and untrained” workers. But now, as then, powerful forces are ideologically opposed to the whole idea of government action on a sufficient scale to jump-start the economy. And that, fundamentally, is why claims that we face huge structural problems have been multiplying: they offer a reason to do nothing about the mass unemployment that is crippling our economy and our society. So what you need to know is that there’s no evidence whatsoever to back these claims. We aren’t suffering from a shortage of needed skills; we’re suffering from a lack of policy resolve. As I said, structural unemployment isn’t a real problem, it’s an excuse—a reason not to act on America’s problems at a time when action is desperately needed.
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A.
降低床染病的发病率
B.
减少新传染病的发病率
C.
减少职业环境对职业人群的危害
D.
预防疾病、增进健康、延长寿命、提高生存质量
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A.
①②③
B.
③④⑤
C.
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D.
①②⑤
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A.
①②③
B.
③④⑤
C.
④⑤⑥
D.
①②⑤
【单选题】托烷生物碱类药物的鉴别试验是
A.
取供试品的稀溶液,加三氯化铁试液1滴,即显紫色。
B.
取供试品约lOmg,加发烟硝酸5滴,置水浴上蒸干,得黄色的残渣,放冷,加乙醇2-3滴湿润,加固体氢氧化钾一小粒,即显深紫色。
C.
取铂丝,用盐酸湿润后,蘸取供试品,在无色火焰中燃烧,火焰显鲜黄色。
D.
取供试品:加过量氢氧化钠试液后,加热,即分解,发生氨臭;遇用水湿润的红色石蕊试纸,能使之变蓝色,并能使硝酸亚汞试液湿润的滤纸显黑色。
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A.
瘦肉
B.
鸡蛋
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动物全血
D.
牛奶
【单选题】不良反应不包括
A.
副作用
B.
变态反应
C.
戒断反应
D.
后遗效应
E.
继发反应
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A.
①②③
B.
③④⑤
C.
④⑤⑥
D.
①②⑤
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A.
降低传染病的发病率
B.
减少新发传染病的发病率
C.
减少职业环境对职业人群的危害
D.
预防疾病、增进健康、延长寿命、提高生活质量
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【单选题】不良反应不包括
A.
副作用
B.
变态反应
C.
戒断反应
D.
后遗效应
E.
特异质反应
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