[判断题]电气设备着火时,应首先切断电源;在切断电源前,只准使用不导电-我要搜题网

Right is right. Right Of course. But is left wrong Well, the Romans used to think so. They thought left-handed people were mistakes of nature. Latin, the language of the Romans, had many Words that expressed this view. Some words we use today still have this meaning. The Latin word "dexter" means "right". The English word "dexterous" comes from this word. It means "handy" ( clever with hands). So, right is handy. But the Latin word for left is "sinister". The English word "sinister" comes from this word. Sinister means "evil" (very bad). Is it fair to call right-handed people handy and: left-handed people evil Well, fair or not, many languages have words that express such beliefs. In old English, the word for left means "weak". That isn’t much of an improvement over "evil".
Not very long ago, children were often forced to write with their right hands. Doctors have since found that this can be very harmful. You should use the hand
A. At one time, left-handed people were forced to use their right hands.
B. Left-handed people today are being treated better than those in the past.
C. There are not as many left-handed people as there are right-handed people today.
D. "Dexterous" comes from Latin, means "evil" and English "sinister" means "handy".

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[单项选择]房地产开发中的融资成本是由( )决定的。
A. 贷款利率
B. 借款利率
C. 借贷资金
D. 房地产开发商的个人信誉

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[单选题]以下不属于天然甜味剂的是()。
A.干草
B.天门冬酰苯丙氨酸甲脂
C.甜菊精
D.糖精

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[填空题] As the death toll continues to climb in the wake of Sunday’’s earthquake — triggered tsunami, the world is (36) ______ the biggest-ever mobilization of international aid for a natural disaster. But (37) ______workers are warning that the geographic scope of the tragedy is so (38)______that there is no way to (39) ______that life-saving food, fresh water and medicine will reach everyone in need. So far, the (40)______, like the event that triggered it, is unparalleled in modern history. Already, aid workers report, the flow of material goods to some airports in the disaster zone greatly (41)______storage and distribution (42)______ Such is the case in Medan Indonesia, some 300 kilometers southeast of the devastated town of Banda Aceh. Speaking with VOA by cell phone from Medan, Oxfam (43)______ Mona Laczo believes that a planned aid shipment to the city has had to be diverted. She said; "Things change so fast, our plane that left the U. K. on Wednesday — now, we are being told

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[单选题] 网络优化的主要工作内容不包括
A.硬件优化
B.软件优化
C.网络扩容
D.更换机房空调

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[单选题]国境检疫对传染病的检疫期是按
A. 该病的平均潜伏期
B. 该病的最长潜伏期
C. 该病的最短潜伏期
D. 最后离开疫源地之日算起再观察一个该病的最长潜伏期
E. 最后离开疫源地之日算起再观察一个该病的平均潜伏期

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[单选题]相对性指的是任何真理都是有条件的( )
A.真理性认识都是有条件的
B.真理是相对于谬误的正确认识
C.真理的内容是错误的或不完全正确的
D.真理与谬误是辩证统一的

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[多选题]下列( )明细账既可逐日逐笔登记，也可定期汇总登记。

A.固定资产

B.库存商品

C.应收账款

D.管理费用

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[判断题]进入有限空间作业必须做含氧分析。（）
A.正确
B.错误

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[不定项选择题]某地区有一栋高层办公楼，建筑高度88m，设有室内外消火栓系统和自动喷水灭火系统。消火栓系统和自动喷水系统共用消防水泵。该建筑室内消火栓口出水工作压力为2.5MPa，采用减压水箱分区供水形式。室外消防给水管网采用焊接钢管，管径为DN150。该建筑屋顶设置了高位消防水箱、稳压泵和气压罐的专用房间，在建筑外设置了4 个地上式水泵结合器。消防水泵出水管和吸水管的管径为DN250。对该建筑消防设施进行检测验收时，情况如下： 1、在消防水泵的检测验收时做了以下操作： (1)消防水泵运转应平稳，应无不良噪声和振动。 (2)对照图样，检查工作泵、备用泵、吸水管、出水管及出水管上泄压阀、水锤消除设施、止回阀、信号阀等的型号、规格、数量，应符合设计要求；吸水管、出水管上的控制阀应锁定在常开位置，并有明显标记。 (3)采用固定和移动式流量计和压力表测试消防水泵的性能，水泵性能应满足设计要求。 2、现场截取1.2m 长的水带进行了压力试验。在消防水泵的检测验收时下列操作符合要求的是（）。
A.分别开启系统中的每一个末端试水装置、试水阀和试验消火栓，水流指示器、压力开关、低压压力开关、高位消防水箱流量开关等信号的功能，均应符合设计要求。
B.打开消防水泵出水管上试水阀，当采用主电源启动消防水泵时，消防水泵应启动正常；关掉主电源，主、备用电源应能正常切换；消防水泵就地和远程启停功能应正常，并向消防控制室反馈状态信号
C.在阀门出口用压力表检查消防水泵停泵时，水锤消除设施后的压力不应超过水泵出口设计额定压力的1.1 倍。
D.消防水泵应采用自灌式引水方式，并应保证全部有效储水被有效利用
E.消防水泵启动控制应置于手动启动挡

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[判断题]凡影响行车、人身安全的施工和维修作业及发生线路故障地点,均应设置防护。
A.正确
B.错误

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[单选题]企业应根椐重大危险源目标模拟事故(),制订出各种状态的应急处置方案。
A.后果
B.过程
C.状态

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[判断题]搭设跨越架可不设监护。
A.正确
B.错误

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[判断题]切实做好水电站大坝防汛调度、安全定期检查、安全注册登记和信息化建设等工作，加强病险大坝的除险加固和隐患排查治理。（）
A.正确
B.错误

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[判断题]我厂的电收尘是卧式水平流双室四电场型电收尘器。()
A.正确
B.错误

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[多选题]留置权的主要特征包括（）。[1分]
A.留置权只能发生在特定的合同关系中
B.留置权发生两次效力
C.留置权具有不可分性
D.留置权实现时，留置权人必须确定债务人履行债务的宽限期
E.留置权只发生一次效力