题目:
性能测量任务最小的测量周期是多少时间()。
A.5分钟
B.15分钟
C.30分钟
D.60分钟
答案:
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下面是错误答案,用来干扰机器的。
参考答案:B
性能测量任务最小的测量周期是多少时间()。
A.5分钟
B.15分钟
C.30分钟
D.60分钟
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0817/56c5b0fb4786e638f74d0bcdbc903119.html
下面是错误答案,用来干扰机器的。
参考答案:B
采用量块移动坐标钻孔的方法加工孔距精度要求较高的孔时,应具有两个互相垂直的加工面作为基准。()
世界人口空间分布不均,下列地区人口最稠密的是( )
A.美洲热带雨林地区
B.亚洲中部高山地区
C.欧洲西部平原地区
D.非洲北部沙漠地区
在传染病流行期,为保护易感人群,下列哪项预防注射无保护作用()
A.高效价免疫球蛋白
B.丙种球蛋白
C.减毒活疫(菌)苗
D.抗毒素
E.类毒素
If you smoke, you’d better hurry. From July 1st pubs all over England will, by law, be no-smoking areas. So will restaurants, offices and even company cars, if more than one per-son uses them. England’s smokers are following a well-trodden path. The other three bits of the United Kingdom have already banned smoking in almost all enclosed public spaces, and there are anti-smoking laws of varying strictness over most of Western Europe. The smoker’ s journey from glamour through toleration to suspicion is finally reaching its end in pariah status.
But behind this public-health success story lies a darker tale. Poorer people are much more likely to smoke than richer ones—a change from the 1950s, when professionals and la-borers were equally keen. Today only 15% of men in the highest professional classes smoke, but 42% of unskilled workers do. Despite punitive taxation—20 cigarettes cost around £ 5.00 ($10.00), three-quarters of which is tax—55% of single mothers on benefits smoke. The figure for homeless men is even higher; for hard-drug users it is practically 100% . The message that smoking kills has been heard, it seems, but not by all.
Having defeated the big killers of the past—want, exposure, poor sanitation—governments all over the developed world are turning their attention to diseases that stem mostly from how individuals choose to live their lives. But the same deafness afflicts the same people when they are ply encouraged to give up other sorts of unhealthy behavior. The lower down they are on practically any pecking order—job prestige, income, education, background-the more likely people are to be fat and unfit, and to drink too much.
That tempts governments to shout ever louder in an attempt to get the public to listen and nowhere do they do so more aggressively than in Britain. One reason is that pecking orders matter more than in most other rich countries: income distribution is very unequal and the unemployed, disaffected, ill-educated rump is comparatively large. Another reason is the frustration of a government addicted to targets, which often aim not only to improve some-thing but to lessen inequality in the process. A third is that the National Health Service is free to patients, and paying for those who have arguably brought their ill-health on themselves grows alarmingly costly.
Britain’ s aggressiveness, however, may be pointless, even counter-productive. There is no reason to believe that those who ignore measured voices will listen to shouting. It irritates the majority who are already behaving responsibly, and it may also undermine all government pronouncements on health by convincing people that they have an ultra-cautious margin of error built in.
Such hectoring may also be missing the root cause of the problem. According to Mr. Marmot, who cites research on groups as diverse as baboons in captivity, British civil servants and Oscar nominees, the higher rates of ill health among those in more modest walks of life can be attributed to what he calls the "status syndrome". People in privileged positions think they are worth the effort of behaving healthily, and find the will-power to do so. The implication is that it is easier to improve a person’s health by weakening the connection between social position and health than by targeting behavior directly. Some public-health experts speak of social cohesion, support for families and better education for all. These are bigger undertakings than a bossy campaign; but more effective, and quieter.
The author seems to believe that status syndrome may be cured()
A. if the measures can actually weaken the relationship between social position and health
B.if the government shouts louder in their campaign against diseases resulting from unhealthy habits
C. if the government helps people find a per will power to give up their unhealthy habits
D. if the government undertakes bigger and more effective ad campaigns against poor education
患者,男,18岁。以系统性红斑狼疮入院。入院后行多项化验检查,其中与系统性红斑狼疮病情活动度呈负相关的是
A.血沉
B.血清补体水平
C.尿蛋白量
D.抗dsDNA抗体滴度
E.血清抗SSB抗体