The word science is heard so often in
modern times that almost everybody has some notion of its meaning. On the other
hand, its definition is difficult for many people. The meaning of the term is
confusing, but everyone should understand its meanings and objectives. Just to
make the explanation as simple as possible, suppose science is defined as
classified knowledge (facts). Even in the true sciences distinguishing fact from fiction is not always easy. For this reason great care should be taken to distinguish between beliefs and truths. There is no danger as long as a clear difference is made between temporary and proved explanations. For example, hypotheses and theories are attempts to explain natural phenomena. From these positions the scientist continues to experiment and observe until they are proved or discredi A. pure science B. environmental science C. applied science D. agricultural science [简答题]继电保护装置、安全自动装置和自动化监控系统的二次回路变动时,应按( )进行,无用的接线应隔离清楚,防止误拆或产生寄生回路。
[单选题]摇表的额定电压,应根据被测电气设备的额定电压来选择。高压线路上的设备,选用()的摇表。
A.500V B.1000V C.1500V D.2500V [单项选择]现代体育运动会使用了“火炬”,火炬中常用的火炬燃料是()
A. 汽油 B. 柴油 C. 丁烷和煤油 D. 重油和酒精 [单项选择]鉴别腹股沟斜疝与直疝的主要依据是()。
A. 发病年龄 B. 疝块外形 C. 压住内环后疝块是否再突出 D. 嵌顿机会的多少 E. 手指插入外环有无咳嗽冲击感 [单选题]雨天操作应使用有防雨罩的绝缘棒,并( )。
A.穿绝缘鞋、戴绝缘手套 B.穿绝缘靴、戴橡胶手套 C.穿绝缘鞋、戴橡胶手套 D.穿绝缘靴、戴绝缘手套 [判断题]按照分级审批原则,对有权审批人进行书面授权,有权审批人在受权范围内对审议通过的贷款进行审批。有权审批人有“一票否定权”和“一票通过权”。( )
A.正确 B.错误 [判断题]按照外管局规定,个人网上银行小额购汇的年度购汇额度为等值5万美元。
A.正确 B.错误 [多项选择]根据《消费者权益保护法》相关规定,金融消费者享有()
A. 知情权 B. 公平交易权 C. 自由选择权 D. 金融隐私权 E. 安全权 [判断题]钢中非金属夹杂物是由外部环境二次氧化造成的。
A.正确 B.错误 [填空题]在因特网中,远程登录系统采用的工作模式为______模式。
[多选题]工作许可后,工作负责人、专责监护人应向工作班成员交待(),告知危险点,并履行签名确认手续,方可下达开始工作的命令。
A.现场电气设备接线情况 B.工作内容 C.人员分工 D.带电部位 E.现场安全措施 [单项选择] Directions: There are 4 passages in this part. Each of the passages is followed by 5 questions or unfinished statements. For each of them there are 4 choices marked A, B, C and D. Passage One
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