The history of modem pollution problems
shows that most have resulted from negligence and ignorance. We have an
appalling tendency to interfere with nature before all of the possible
consequences of our actions have been studied in depth. We produce and
distribute radioactive substances, synthetic chemicals and many other potent
compounds before fully comprehending their effects on living organisms. Our
education is dangerously incomplete. It will be argued that the purpose of science is to move into unknown territory, to explore, and to discover. It can be said that similar risks have been taken before, and that these risks are necessary to technological progress. These arguments overlook an important element. In the past, risks taken in the name of scientific progress were restricted to a small place and brief period of time. A. the effects of the modem pollutants on the living organisms. B. the present situation is remarkedly different from the past. C. the stress of progress of science to the neglect of environmental protection. D. the serious consequence followed by the development of science. [多项选择]关于结构化面试,说法正确的是( )。
A. 参考答案并没有绝对性 B. 面试考官与考生的距离不要太远 C. 结构化面试的问题要形成“难度阶梯” D. 结构化面试的测评要素的相对权重应当一致 E. 专业技术岗位的结构化面试需要相关专业的专家参与评价 [判断题]车体垂向振动加速度采用20Hz低通滤波,车体横向振动加速度采用0.5~10Hz带通滤波和10Hz低通滤波。
A.正确 B.错误 [单项选择]对于普通的个人计算机,数据主要存储在()设备中。
A. 内存 B. 硬盘 C. CPU D. 主板 [判断题]横垫木应置于车地板与货物间。避免集重装载时,其安放位置应满足《铁路货物装载加固规则》有关要求。
A.正确 B.错误 [单选题]烧伤急救时,强酸或碱灼伤应迅速脱去被溅染衣物,现场立即用大量清水彻底冲洗,要彻底,然后用适当的药物给予中和;冲洗时间不少于()min。
A.5 B.10 C.15 D.20 E.略 F.略 [单项选择]长期高浓度苯接触能引起
A. 易兴奋症、震颤、口腔炎 B. 白血病 C. 低血红蛋白性贫血 D. 间皮瘤 E. 光感性皮炎 [判断题]连接电动机械及电动工具的电气回路应设开关或插座,并装设剩余电流动作保护器(漏电保护器),金属外壳应接地;电动工具应做到“一机一闸”。
A.正确 B.错误 [单选题]下列食物中含铁量较多、吸收率最高的是()。
A.大米 B.黑豆 C.奶类 D.肉类 [判断题]在正常运行过程中,可能出现粉尘数量足以形成可燃性粉尘与空气混合物,但这种场所又未被划为20区,这样的场所将其划分为21区。
A.正确 B.错误 [判断题]德国紧急救援管理机制分为联邦、州两级,由国土安全部联邦紧急事务管理局负责组织、协调。( )
A.正确 B.错误 [单选题]开行工程车、调试车施工作业的防护区域允许安排其它施工作业
A.Yes B.No 我来回答: 提交
|