[单选题] 空气呼吸器报警或遇特殊情况,作战小组全体人员必须立即撤离,-我要搜题网

[简答题] 某直井内充满清水，地层破裂压力为65MPa，化学堵水管柱内径φ76mm下深3000m，油层深度3000m，堵剂的密度为1.81g/cm3，设计堵剂的用量为10m3，顶替液为清水。化堵时不使地层压开的最高压力不能超过多少（内径φ76mm的油管内容积4.53 m3/km，g取10m/s2结果取单位“兆帕”的整数）？

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[单项选择]当履带式起重机需要带载行走时，载荷不得超过允许重量的（），行走道路应坚实平整，起重臂位于行驶方向正前方向，载荷离地面不得大于200mm，并应拴好拉绳，缓慢行驶。
A. 90%
B. 80%
C. 70%
D. 60%

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[单项选择]New technology links the world as never before. Our planet has shrunk. It’s a new "global village" where countries are only seconds away by fax or phone or satellite link. And, of course, our ability to benefit from this high-tech communications equipment is greatly enhanced by foreign language skills.
Deeply involved with this new technology is a breed of modem businesspeople who have a growing respect for the economic value of doing business abroad. In modem markets, success overseas often helps support domestic business efforts.
Overseas assignments are becoming increasingly important to advancement within executive ranks. The executive stationed in another country no longer needs fear being "out of sight and out of mind". He or she can be sure that the overseas effort is central to the company’s plan for success, and that promotions often follow or accompany an assignment abroad, if an employee can succeed in a difficult assignment overseas, superiors will have greater co
A. better control the whole negotiation process
B. easily find new approaches to meet market needs
C. fast-forward their proposals to headquarters
D. easily make friends with businesspeople abroad

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[单选题]室外消火栓距路边不应大于()。
A. 2.0m
B. 3.0m
C. 4.0m
D. 5.0m

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[判断题]49 本题分数:1.5 分
交通事故处理中,交通警察到达现场后,应当根据现场情况利用警戒带、锥筒等划出警戒区,白天在距离现场来车方向五十米至一百五十米外放置发光或者反光锥筒和警告标志,并指派专人负责现场安全警戒,指挥疏导过往车辆。
A.正确
B.错误

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[多选题]道路运输企业安全生产费用应合理使用,在下列选项中属于使用范围的有( )。
A.配备、维护、保养应急救援器材、设备支出和应急演练支出
B.车辆交强险支出
C.开展安全风险管控和事故隐患排查、评估、监控和整改支出
D.安全生产宣传、教育、培训和安全奖励等支出
E.安全管理人员工资

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[判断题]用试块法调整探伤灵敏度时，为尽量避免补偿，应采用标准试块。
A.正确
B.错误

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[多项选择]The lobbying carried out by food manufacturers to block a European-wide food labelling system backed by doctors is laid bare in a series of private emails published today by The Independent. In a flurry of statements and position papers to MEPs in the run up to key votes, Kellogg’ s, Danone, Coca-Cola, Nestle and other manufacturers claimed that colour-coded traffic lights were incapable of informing shoppers about the right diet.
They claimed that studies showed that their favoured percentage-based Guideline Daily Amounts (GDAs) had wide consumer acceptance. Polls by the National Heart Forum and the consumer group Which that looked at both systems found shoppers preferred colour-coding. On Wednesday, the European Parliament rejected the traffic light system devised by the Food Standards Agency vote in favour of GDAs. At the same time, they backed the compulsory labeling of harmful trans-fats and country of origin on processed products.
Glenis Willmott, the leader of Labour’

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[多选题]运动能抗衰老的原因包括( )
A. 促进人体新陈代谢，增强各器官功能
B. 促进脂肪代谢
C. 加强胃肠蠕动及消化腺的分泌
D. 调节神经系统功能，使精神愉快
E. 促进体内细胞及体液免疫功能增强

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[单选题]2.216. 第216题
交流电源系统电源自投装置应在工作电源断路器（）后方可使备用电源投入。
A.投入
B.并列
C.断开
D.合并

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[多选题]单位设立的独立核算的附属机构是指单位附属独立核算的（）。( )
A.工会
B.食堂
C.招待所
D.幼儿园

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[单选题]在发展生产中,协作不仅提高个人生产力,而且创造了新的( )。121000000
A.生产关系
B.生产秩序
C.生产力
D.生产模式

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[单选题]间接带电作业时，每个作业地点均要设有专人监护，其安全等级不低于（）。
A.二级
B.四级
C.三级
D.五级

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[单项选择]下列营业场所安全侵害因素中属外部侵害因素的是（）。
A. 抢劫、凶杀
B. 内部制度缺陷
C. 员工破坏规章制度
D. 火灾