热门试题:
[单项选择]Reading 2 "Weather and Chaotic Systems"
Scientists today have a very good understanding of the physical laws and mathematical equations that govern the behavior and motion of atoms in the air, oceans, and land. Why, then, do we have so much trouble predicting the weather For a long time, most scientists assumed that the difficulty of weather prediction would go away once we had enough weather stations to collect data from around the world and sufficiently powerful computers to deal with all the data. However, we now know that weather is fundamentally unpredictable on time scales longer than a few weeks. To understand why, we must look at the nature of scientific prediction.
→ Suppose you want to predict the location of a car on a road 1 minute from now. You need two basic pieces of information: where the car is now, and how fast it is moving. If the car is now passing Smith Road and heading north at 1 mile per minute, it will be 1 mile north o
A. unless we learn more about chaotic systems
B. because we don’t have enough weather stations
C. without more powerful computers
D. until we understand the physical laws of atoms
[判断题]公开发行可转换公司债券后，累计公司债券余额不得超过最近1期末净资产额的60%。（）
[判断题]现金出入库必须坚持“现金入库先收款后记账，现金出库先记账后付款”的原则。
A.正确
B.错误
[单选题]业扩报装工作中，营销服务人员在非公司产权设备范围内进行现场作业，应填用现场作业工作卡。
A.A.正确
B.B.错误
[单项选择]When researchers come up with a new treatment that makes us feel or work better, it’s usually not just the truly sick who end up going in for an upgrade. The progress in developing treatments for illnesses that ravage memory and thought raises an important question: might the same tools be used to improve the functioning of minds that by most standards are already running fairly smoothly We may well be approaching an era of designer brains, in which those of us feeling a little foggy or dull can have our IQ, fast recall, and self-confidence inflated up via the prescription pad. "Some brain-related conditions we think of as ordinary, "says one researcher, "may eventually become disorders, too"—including perhaps less-than-razor-sharp thinking.
The notion of a prescription IQ lift is hardly new. According to polls, about one in 20 college students, and higher percentages of professors, already illicitly pop some form of Ritalin or Modafinil—legitimately prescribed for attention-de
A. Researchers always bring forth new and upgraded cures for illness.
B. Sick people are anxiously looking forward to new treatments.
C. Normal people tend to use the new treatment to be healthier.
D. New and upgraded treatment should make us feel or work better.
[单选题]培训规划时要选择适用的方式方法，高层培训、管理培训、员工培训、员工文化素质培训等宜采用（ ）的培训方式。
A.分散
B.边实践边学习
C.集中
D.安全脱产学习
[单选题]动车组管理信息系统的简称为“ ”。
A.EMS
B.EMI
C.EMIS
D.EMCS
[单项选择]滴定分析法，对（）组分测定，比较更适宜。
A. 常量
B. 微量
C. 痕量
[判断题]( )减脂期间不可以吃高甜食物 。
A.正确
B.错误
[判断题]期货从业人员辞职、被解聘或者死亡的，机构应当自上述情形发生之日起20个工作日内向协会报告，由协会注销其从业资格。（）
[单选题]某护士在为一患者做青霉素皮肤试验后2分钟,患者诉胸闷,随即出现大汗淋漓、面色苍白,脉搏细速,护士应警惕患者可能出现了。( )
A.剧烈疼痛
B.局部组织反应
C.虚脱
D.晕针
E.过敏性休克
[判断题] 对于火灾爆炸危险场所,必须采用防爆电气设备。( )
A.正确
B.错误
[单选题]外来作业人员，进站作业前应接受
A.身体检查
B.安全教育
C.专业测试
[判断题]配电自动化终端的通信接口通常有以太网口和串行接口两种方式。
A.正确
B.错误
[多选题]定密责任人在职责范围内承担有关国家秘密的()
A.确定
B.变更
C.销毁
D.解除
[单选题]进入密闭区域侦察时，应当测试门窗温度，判别（）风险，在侧面缓慢开启门、窗，同时采取限位措施，并视情向门、窗内射水
A.轰然
B.烟热
C.高温
D.喷射
[单选题]若大火已烧进危险地段时，应按（ ）资源顺序进行抢救，并应及时采用森林航空消防技术进行灭火。( )
A.人、财产、森林
B.财产、人、森林
C.人、森林、财产
D.财产、人。森林
[判断题]电量的单位是安培,用字母A表示。(易)( )
A.正确
B.错误
[单项选择]急性白血病首先出现的症状常为
A. 发热
B. 出血
C. 骨和关节疼痛
D. 贫血
E. 淋巴结肿大
[单项选择]一患者左小腿外侧反复溃破流脓6年。检查：见左小腿上段外侧脓窦两处。X线摄片示：腓骨于上1/2段不规则破坏，有死腔3处，其中两腔内含有死骨，骨皮质广泛硬化。宜采用何种措施（）
A. 换药，应用有效抗生素
B. 行死骨摘除术，伤口敞开换药治疗
C. 行死骨摘处术，蝶形术
D. 行死骨摘除术，闭合冲洗吸引疗法
E. 行病变骨段全部截除术
[判断题]“赋、比、兴”是《楚辞》中常用的手法。( )
A.正确
B.错误
[单选题]根据《国务院关于进一步加强企业安全生产工作的通知》要求,企业发生特别重大事故,追究企业主要负责人、投资人和上级企业负责人的责任。
A.对
B.错
[多选题]与水盐代谢调节有关的激素是
A.雌激素
B.醛固酮
C.糖皮质激素
D.血管升压素
[多项选择]冠状动脉造影所途经部位有（）
A. 主动脉根部
B. 桡动脉
C. 股动脉
D. 肱动脉
E. 左、右冠状动脉口
[多选题]电力线路第二种工作票,对( )工作,可在数条线路上共用一张工作票。
A.同一班组
B.同一电压等级
C.同类型
D.相同安全措施
[判断题]站内装箱时，应于承运人指定的进货日期次日装完。站内掏箱时，应于领取的当日内掏完。
A.正确
B.错误
[多项选择]下述表现中，哪些与“胃溃疡”无关（）
A. 胃空腹滞留液较多
B. 激惹征
C. “Ｂ”形胃
D. 胃排空速度加速或延缓
E. 袖口征
[单选题]该患者的医疗诊断是()
A.开放性肋骨骨折
B.血胸
C.肺气肿
D.闭合性气胸
E.张力性气胸
[填空题]普通俯卧撑练习的作用主要是发展胸大肌、肤三头肌、（）及前锯肌的力量。
[填空题]碗扣式钢管脚手架中的双排轻型架的构造尺寸为（）。
[单项选择]免疫组化加第一抗体前用3％H2O2处理石蜡切片的目的是（）。
A. 暴露抗原
B. 提高抗原抗体结合率
C. 减少内源性过氧化酶的活性
D. 提高敏感性
E. 激活抗原
[单选题]BE007在自控输油站自动监测到泵出口压力超高时，自动系统会自动( )。
A.开大泵进口阀
B.关小泵进口阀
C.关闭泵出口阀
D.全开泵出口阀
