There’s no doubt that the computer has enlarged man’s working capacity as well as his intellectual capacity enormously. Er … but it brings with it dangers to match the benefits. Now by this, I mean danger to physical and mental well being of the people who work at computer terminals, not the dangers to personal privacy or national or industrial security.
There’s one very alarming set of statistics, which come from a survey done in the UK on 800 pregnant women, who happened to use computer terminals for a major part of their working day. In no less than 36% of the subjects there was some severe abnormality during the pregnancy, enough to make a termination necessary. Now these figures compare significantly with a control group of pregnant women of the same age but who did not work with computer terminals. The incidence of severe abnormalities in their case was only 16%. This survey confirms similar investigations carried out in Denmark, Canada, Aus
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A. 有的法律法规未能全面反映客观规律和人民意愿 B. 有的法律法规针对性、可操作性不强 C. 立法工作中部门化倾向较为突出 D. 立法工作中争权诿责现象较为突出 [单选题]经营者的不正当竞争行为给被侵害的经营者造成的损失难以计算的，被侵害人可以请求的赔偿额为( )。
A.受害人在被侵权期间所获得的利润 B.侵权人在侵权期间所获得的利润和可期待的利益 C.侵权人在侵权期间所获得的利润 D.侵权人在侵权期间因侵权所获得的利润，并应当承担被侵害的经营者因调查该经营者侵害其合法权益的不正当竞争行为所支付的费用 [单选题]车身修理时等离子切割使用的气体是（)
A. 空气 B. 氩气 C. 氮气 [单项选择]腰椎间盘突出症最主要的临床表现是（）
A. 腰痛 B. 腿部和臀部痛 C. 腰和大腿后侧痛 D. 坐骨神经痛、大小便功能障碍 E. 腰痛伴坐骨神经痛 [单项选择]
设A为可逆矩阵，则下列结论不正确的是（）。 A. （A-1）-1=A B. （KA）-1=KA-1（k≠0） C. （A'）-1=（A-1）' [判断题]严禁使用直流对砖混结构建筑墙体进行冲击破坏，防止应力改变，造成顶棚的坍塌以及连锁垮塌。( )
A.正确 B.错误 [单项选择]易造成严重张口受限的间隙感染是
A. 眶下间隙 B. 颌下间隙 C. 咬肌间隙 D. 舌下间隙 E. 颏下间隙 [判断题]CRH5型动车组转向架空气弹簧横向跨距1000mm
A.正确 B.错误 我来回答: 提交
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