试述汞超标类化妆品的坏处-我要搜题网

[单项选择]下列哪项可作注射剂的防腐剂
A. 吐温-80
B. 碘仿
C. 三氯叔丁醇
D. 苯甲酸苄酯
E. 硫代硫酸钠

[判断题]在检查闸瓦与踏面时，须将手放置在踏面与钢轨及踏面与闸瓦间隙。
A.正确
B.错误

[多项选择]下列哪些机关属于行政许可的实施机关？（　）
A. 工商局
B. 公安局
C. 治安联防队
D. 政府办公室

[单项选择]Social attractiveness can be improved by______.

A. a good opening statement
B. the humorous way you talk
C. nonverbal factors such as smiling and proper clothing
D. a young look and pleasant way of speaking

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[单选题]铁矿石、工业纯氧、氧化铁皮等属于( )。
A.冷却剂
B.造渣剂
C.氧化剂

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[单选题] "生产、经营、储存、使用（）的车间、商店、仓库不得与员工宿舍在同一座建筑物内，并应当与员工宿舍保持安全距离。
A.危险化学品
B.化学品
C.危险物品"

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[判断题]溶剂再生塔底温度过高则易造成再生塔雾沫夹带甚至冲塔，导致酸性气带液，对后续硫磺回收装置生产不利
A.正确
B.错误

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[判断题]采样精密度一般用空干基挥发份来表示。

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[多选题]高压故障（1千伏以上）中的柱上隔离开关故障为客户反映柱上隔离开关（____）等情况。
A.本体故障
B.导电板断裂
C.接触不良
D.弯曲

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[判断题]电力建设-变电专业安装免维护蓄电池组应符合产品技术文件的要求,并开启安全阀。
A.正确
B.错误

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[判断题]在发电机空载额定电压下测录发电机定子开路时的灭磁时间常数。对发电机变压器组，可带空载变压器同时进行。（）
A.正确
B.错误

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[单选题] "《安全生产风险管理办法》规定,当致险因素超出管控范围、达到预警条件时,应及时发布(),并立即采取针对性管控措施,防范事故发生。
A.预警信息
B.撤离信息
C.救援信号
D.安全提示"

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[多项选择]注册会计师负责审计被审计单位2017年度财务报表。被审计单位编制的2017年12月31日银行存款余额调节表显示存在120000元的未达账项，其中包括被审计单位已付而银行未付的材料采购款100000元。以下审计程序中，可能为该材料采购款未达账项的真实性提供审计证据的有（）
A. 检查2018年1月份的银行对账单
B. 检查相关的采购合同、供应商销售发票和付款审批手续
C. 就2017年12月31日银行存款余额向银行寄发银行询证函
D. 向相关的原材料供应商寄发询证函

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[多选题]液压支架用O形密封圈产生泄漏的原因是：( )
A.A、安装工艺不当
B.B、选用直径不对
C.C、滑动表面粗糙度高
D.D、橡胶质量差

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[单项选择]在运行程序时，在程序代码中改变文本框的Text属性值，或在文本框中输入新的内容，相应会触发( )事件。
A. GotFocus
B. Click
C. Change
D. DblClick

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[单项选择]PAWP<1.31cmH₂O将提示（）。
A. 血容量不足
B. 输液过量
C. 将出现肺水肿
D. 心功能不全
E. 外周血管阻力降低

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[多选题]施工机具应定期进行(____),确保施工机具正常。
A. 擦拭
B. 保养
C. 维护
D. 修理

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[判断题]单体蓄电池电压测量应每月至少1次，蓄电池内阻测试应每年至少1次
A.正确
B.错误

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[单选题]专业性质编号4表示（）。
A.适用于发电专业应用
B.适用于调度专业应用
C.适用于信息专业应用
D.适用于通信专业应用

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[不定项选择题]共用题干 Forests for Cities
You are standing in a beautiful forest in Japan. The air is clean and smells like plants and flowers.There are 175 different kinds of trees,and 60 kinds of birds live here.______(1) You are downtown in the city of Nara,Japan,in Kasugayama Forest,the oldest urban forest in the world.It was started more than a thousand years ago,and today it's very popular with tourists and artists.
Cities around the world are working to protect their urban forests. Some urban forests are parks,and some are just streets with a lot of trees.But all urban forests have many good effects on the environment.______(2)They also stop the noise from heavy traffic.They even make the weather better because they make the air 3-5 degrees cooler,and they stop strong winds. Urban forests also have many good effects on people. They make the city more beautiful. In a crowded area,they give people a place to relax and spend time in nature.______(3)
In some countries,people are starting new urban forests. In England,there are now 1.3 million trees in an urban forest called Thames Chase,east of London. It was started in 1990, and it has grown very fast.Walking and bicycle clubs use the forest,and there are programs for children and artists.______(4)
Some older cities don't have space for a big urban forest,but planting trees on the streets makes the city better. Scientists found that commuters（通勤人员）feel more relaxed when they can see trees.Trees are even good for business.______(5)In the future,urban forests will become even more important as our cities grow bigger. In the megacities（超大城市）of tomorrow,people will need more green space to live a comfortable life. Planting trees today will make our lives better in the future. ______(1)
A.People spend more time at shopping centers that have trees.
B.In hot countries,urban forests are cooi places for walking and other healthy exercises.
C.But you are not in rural area.
D.Trees take pollution out of the air.
E.In 2033,it will have 5 million trees.
F.It has many kinds of birds in the country.

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[单项选择] Insurance is almost as important to business as banking. It works quite simply by spreading over a large man-her of people, the rests or the losses which otherwise would fall on the few who actually suffer them. Fire, for instance, normally damages only a few businesses each year but almost all companies buy insurance to protect themselves against it. What happens is that most companies pay regular small amounts of money, called the premium, to insurance groups and so a large fund of money builds up. Then the few who have suffered fires claim the cost of the damages. After investigation, the claims are paid out by the insurance companies. For the operation to work, insurance companies have to calculate what is the chance or probability of certain events happening, and what the cost of making accidents good will be, and how many people will pay, what rates, to have protection. Premiums are fixed in proportion to the risk involved. There are four principles backing up every in
A. Premiums arc usually decided in proportion to the risk involved.
B. Insurance companies often do not provide cover against earthquake damages.
C. Insurance on ships and their cargoes can be transferred to new owners if required.
D. Those who buy insurance can claim the cost of damages if they suffer from fires caused by an earthquake.

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[简答题]《上海铁路局旅客运输安全检查管理办法》（上铁客〔2017〕350号）规定：具有哪些情形的旅客，交由铁路公安机关处理。

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[单选题]以下图例中，那些图例表示CBTC列车占用的轨道区段？
A.A、
B.B、
C.C、

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[填空题]网络媒体的特征有综合性、开放性、（）、（）、（）、（）、容量大、速度快、范围广。

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[判断题]公安工作的集中性与分散性是相互依存、相辅相成的。越有分散性，越要求步调一致、统一指挥、统一行动。而高度集中的部署又必须通过分散的行动去实现。要防止只强调一个方面而忽视另一个方面的片面观点。( )

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[多选题]在停电作业时,在验明确已停电后,要立即在作业地点( )和与作业地点相连可能来电的停电设备上装设接地线(包括作业区段附近其他带电设备停电时)。必须保证接地线有( )。
A.一端
B.两端
C.足够的截面
D.良好的导电性

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[单选题]跌落式熔断器主要用于架空配电线路的支线、用户进口处，以及被配电变压器一次侧、电力电容器等设备作为( )。
A.过载或接地保护
B.接地或短路保护
C.过载或低电压保护
D.过载或短路保护