Jetlag Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag makes business travelers less productive and more prone {{U}} (51) {{/U}} making mistakes. It is actually caused by {{U}} (52) {{/U}} of your "body clock" -a small cluster of brain cells that controls the timing of biological {{U}} (53) {{/U}}. The body clock is designed for a regular rhythm of daylight and darkness-ness, so that it is thrown out of balance when it {{U}} (54) {{/U}} daylight and darkness at the "wrong" times in a new time zone. The symptoms of jetlag often persist for days {{U}} (55) {{/U}} the internal body clock slowly adjusts to the new time zone. Now a new anti-jetlag system is {{U}} (56) {{/U}} that is based on proven tentative pioneering scientific re A. devised B. recognized C. scrutinized D. visualized [单项选择]下面程序的运行结果是()
#include" iostream.h" #define sum(a,b)a * b void main( ) int x; x=sam(1+2,3); cout < < x; A. 0 B. 9 C. 7 D. 5 [填空题]工具材料分存箱应规格统一,实行()管理。
[单项选择]日本参议院议员任期为()年。
A. 4 B. 5 C. 6 D. 10 [单项选择]对于堤身崩塌险情,抢护方法主要有()护坡防浪,采用树木排、竹排、梢料枕或者枝叶繁茂的柳树等材料消减风浪。
A. 砂石料 B. 浪坎 C. 土工织物 D. 麻袋草袋 [单项选择]《铁路旅客人身伤害及携带品损失处理暂行办法》发生旅客人身伤害及携带品损失且有下列情形之一的,应当及时通知铁路公安机关:应当()违法犯罪嫌疑人和扣押相关涉案物品的。
A. 控制、约束 B. 殴打 C. 侮辱 D. 辱骂 [判断题]人民币NRA福费廷属于跨境人民币交易类产品。( )
A.正确 B.错误 [单选题]利用CSK-1A试块上直角棱边可测定斜探头( )。
A.分辨力 B.K值 C.声轴偏斜角 D.前沿长度 [简答题]佛教对中原文化有着哪些方面的影响?
[简答题]医疗器械不良事件的报告载体是什么?
[单选题][T]A-E-H-001 5 2 4
扒镐窝时深度视起道量而定。不起道捣固时,一般扒至轨枕底以下( ) A.与轨枕底平 B.10mm C.10~20mm D.留有适量道砟 [单项选择]患者,男性,72岁。长期素食,以头晕、乏力收治入院。查血常规血红蛋白56g/L,血小板70×109/L,急需重视的护理措施为
A. 卧床休息,防止跌伤 B. 改变患者饮食习惯 C. 预防感染 D. 预防出血 E. 心理护理 [单选题]依据保安服务合同约定或者单位的要求,保安员的职责任务是( )。
A. 维护客户单位周边的社会秩序 B. 维护客户单位及服务区域的正常秩序 C. 维护客户单位及周边的生活秩序 D.维护服务区域外的治安秩序 [判断题]可能影响行车安全的清理危石、砍伐危树及隧道内除冰作业,为点外作业项目
A.正确 B.错误 [多选题]非信贷资产风险分类须遵循以下( )原则。
A.风险原则 B.真实原则 C.审慎原则 D.动态原则 [单选题]事故的特点不包括()。
A.随机性 B.因果性 C.必然性、偶然性和规律性 [单选题]†年3月20日起实施的《上海申通地铁集团有限公司突发公共卫生事件应急指南》中规定,Ⅰ、Ⅱ级响应期间,集中空调通风系统的新风井、开放式冷却塔、过滤网、过滤器、净化器、风口、空气处理机组、表冷器、加热【湿】器等设备或部件应按每( )不少于一次的频次进行清洗、预防性消毒或者更换。
A.小时 B.天 C.周 D.月 [单选题]在5级及以上的大风等恶劣天气下,应停止露天()作业。
A.测温 B.清扫 C.检修 D.高处 [单项选择]
A Health Profile
A health profile is a portrait of all of the factors that influence your health. To draw your health profile, you will (51) what diseases run in your family, what health hazards you may be exposed to (52) work, how your daily (53) compares to the recommended standards, how much time per week you (54) exercising and what type of exercise you engage (55) , how stressful your work and family environments are, what kinds of illnesses you get regularly, and (56) or not you have any one of a number of addictions. (57) this portrait, you should have a checkup to determine how your blood, heart, and lungs are functioning. This checkup will serve (58) a baseline, to which you can then compare later tests. (59) this profile is thoroughly drawn, you can begin to think about setting health priorities based (60) your particular portrait. For example, if you drink two martinis every evening, have a high-stress (61) , are overweigh [单选题]( )是指为消除或消弱相邻煤层的突出或冲击地压危险而先开采的煤层或矿层。
A.急倾斜煤层; B.保护层; C.注水煤层; D.注浆煤层; [判断题]商业助学贷款的贷前调查人可以登录公安部全国公民身份信息系统,查询借款人身份证明是否真实、有效。( )
[判断题]道岔尖轨因故不能转换到位时,摩擦联结器应空转。
A.正确 B.错误 [单选题]变径后未使用区段的( )即行失效。
A.客票 B.空调票 C.卧铺票 D.加快票 [判断题]实名要求证件真实性查验的要点是使用二代身份证识别设备或具备NFC功能的身份证识别设备自动读取和录入用户身份信息,严禁人工录入
A.正确 B.错误 我来回答: 提交
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