热门试题:
[单项选择]血栓形成的病人多在睡眠或安静休息时发病的原因是()
A. 睡眠时头低位,易淤血
B. 血压降低,脑缺血
C. 心排血量下降,脑缺血
D. 下肢静脉血栓堵塞脑血管
E. 血流变慢,易形成脑血栓
[单项选择]对可编程中断控制器8259A的功能叙述不正确的是( )。
A. 管理和控制80×86的外部中断请求
B. 实现优先级判决
C. 提供中断向量码和屏蔽中断输入
D. CPU响应中断请求后接管总线控制权
[单项选择]患者,男,16岁,右小腿肿痛,流脓反复发作一年,时有小碎骨片排出,体检:右小腿皮肤凹凸不平,色素沉集,小腿中段前内侧有3个窦道疤,X片示小腿中段有15cm长度增粗,其中间有长10cm、粗2cm的死骨,外侧有明显的新生骨出现,而内侧无明显反应骨,行石膏外固定的主要目的是
A. 促进死骨完全排除
B. 预防急性发作
C. 预防病理性骨折
D. 促进软组织愈合
E. 预防癌变
[单项选择]程序计数器(或指令地址寄存器)是CPU (272) 部件的一部分。
A. 运算器
B. 存储器
C. 控制器
D. I/O接口
[单项选择]According to UNAIDS Senior Adviser Karen Stanecki,______.
[单项选择]后房型IOL()
A. 使物像放大1%~2%
B. 使物像放大3%~6%
C. 使物像放大7%~12%
D. 使物像放大13%~19%
E. 使物像放大20%~35%
[单选题]事故涉及两个以上单位管理的相关设备,设备质量均未超过临修或技术限度时,按事故( )进行推断,确定责任单位。
A.性质
B.因果关系
C.等级
D.责任
[判断题]( )为了飞行安全,飞机起飞前客舱乘务员不得随意允许任何人调换座位,特别是 大面积的调换,避免飞机的配平失调。
A.正确
B.错误
[单项选择]
M: You’re not looking too good. Are you sure you are all right
W: It was a long flight. I’ll be fine after a good night’s sleep.
M: You look very pale.
W: These long flights are just so boring, and you just have to sit there in your seat without moving and you know I like to get as much exercise as possible. I’m sure I’ll be back to normal tomorrow.
Where does the conversation take place ( )
A. At a hospital.
B. At an airport.
C. At school.
[多选题]影响GPS定位精度的因素有(____)。
A.与GPS卫星有关的因素
B.与接收机有关的因素
C.与传播途径有关的因素
D.数据处理软件方面的因素
[单选题]在自动闭塞区段,当接车进路信号机不能使用时,列车凭()越过
A.路票
B.绿色许可证
C.引导信号
[单项选择]诊断感染性心内膜炎的最有效的方法是
A. 免疫学检查
B. 心电图检查
C. X线检查
D. 血培养
E. 常规生化检查
[单项选择]既能峻下逐水,又能杀虫疗疮、祛痰止咳的药物是
A. 牵牛子
B. 大戟
C. 大黄
D. 芫花
E. 巴豆
[多选题]()是指数字证书到期前()天通过短信提示客户及时更换数字证书
A.证书换发
B.证书替换
C.20
D.30
[单选题]SFC型扣件弹条初装扣压力不得小于( );养护过程中弹条扣压力不得小于8kN。
A.9kN
B.10kN
C.11kN
D.12kN
[单项选择]《高层民用建筑设计防火规范》规定,水泵接合器应设在室外便于消防车使用的地点,距室外消火栓或消防水池的距离宜为()m
A. 15-150
B. 40-60
C. 15-40
D. 5-120
[填空题]根据服务对象的不同,FTP服务器可以分为()和()。
[多选题]关于印发《南昌铁路局动车组列车运行时车门发生故障客运应急处置规定》的通知(南铁客〔2017〕42号),遇有动车组列车途中车门故障无法修复时,列车长应向( )报告。
A.司机
B.所在铁路局客调
C.列车调度员
D.车站值班员
[判断题]在市场经济社会里,国家或政府对待职业道德的态度相同。( )
A.正确
B.错误
[单项选择]正在或曾经感染HBV()
A. 血清K+↑
B. 血清Cl-↑
C. 血清Na+↑
D. 血清C1-↓
E. 血清K+↓
[判断题]符合资本化条件的资产,是指需要经过相当长时间的购建或者生产活动才能达到预定可使用或者可销售状态的固定资产、投资性房地产等资产,但不包括存货。
[单选题]哪项不能用作导线线径的设计依据( )。
A.导线材料
B.导线结构
C.导线载流截面积
D.导线长度
[单选题]工作终结报告当面报告时,工作许可人和工作负责人应在信息工作票上记录( ),并分别签名。
A.终结时间
B.开始时间
C.检修时长
D.工作情况总结
E.略
F.略
[简答题]“如果你不能成为大道,那就当一条小路;如果你不能成为太阳,那就当一颗星星。”请你就此发表一篇演讲。
[单项选择]企业的车辆管理属于企业行政管理部门的()职责。
A. 辅助管理
B. 物品管理
C. 事务管理
D. 资产管理
[单项选择]男性,30岁,以感染性休克入院,入院后咳粉红色痰,气短,血动脉氧分压降至60mmHg以下,应首先考虑()
A. 肺泡毛细血管广泛破裂
B. ARDS
C. 急性左心衰竭
D. 肺内继发性炎症
E. 缺血性肺组织坏死
[判断题]电力电缆工作前,应核对电力电缆标志牌的名称与工作票所填写的是否相符以及安全措施是否正确可靠。
A.正确
B.错误
[单选题]( )灭火器应有超压保护装置。
A.干粉型
B.水基型
C.二氧化碳
D.洁净气体
[多项选择]长期金融工具包括( )。
A. 企业债券
B. 股票
C. 国库券
D. 银行承兑汇票
[多选题]农发行可接受的押品大类包括()
A. 金融质押品
B. 房地产
C. 应收账款
D. 其他押品
[判断题]可以在”复兴号”动车组车身发布广告。
A.正确
B.错误
[单选题]下列哪种风筒可适用于多种局部通风方式的是[ ]。( )
A.帆布风筒
B.人造革风筒
C.玻璃钢风筒
[不定项选择题]共用题干
Germs(细菌)on Banknotes
People in different countries use different types of money:yuan in China,pesos in Mexico,pounds in the United Kingdom,dollars in the United States,Australia and New Zeal-and. They may use different currencies,but these countries,and probably all countries,still have one thing in______(1):germs on the banknotes.
Scientists have been studying the germs on money for well over 100 years. At the turn of the 20th______(2),some researchers began to suspect that germs living on money could spread disease.
Most studies of germy money have looked at the germs on the currency______(3)one country. In a new study,Frank Vriesekoop and other researchers compared the germ populations found on bills of different______(4).
Vriesekoop is a microbiologist at the University of Ballarat in Australia. He led the stud-y,which compared the germ populations found on money______(5)from 10 nations. The scientists studied 1,280 banknotes in total;all came from places where people buy food,like supermarkets,street vendors and cafes,______(6)those businesses often rely on cash.
Overall,the Australian dollars hosted the fewest live bacteria一no more than 10 per square centimeter. Chinese yuan had the______(7)about 100 per square centimeter. Most of the germs on money probably would not cause harm.
What we call“paper money”_________(8)isn't made from paper. The U. S. dollar,for ex- ample,is printed on fabric that is mostly cotton. Different countries may use different______(9)to print their money. Some of the currencies studied by Vriesekoop and his team,such as the American dollar,were made from cotton. Others were made from polymers.
The three______(10)with the lowest numbers of bacteria were all printed on poly-mers. They included the Australian dollar,the New Zealand dollar and some Mexican pesos.
The______(11)currencies were printed on fabric made mostly of cotton. Fewer germs lived on the polymer notes. This______(12)suggests that germs have a harder time staying alive on polymer surfaces. Scientists need to do more studies to understand______(13)germs live on, mon-ey—and whether or not we need to be concerned. Vriesekoop is now starting a study that will______(14)the amounts of time bacteria can stay alive on different types of bills.
Whatever Vriesekoop finds,the fact remains:Paper money______(15)germs. We should wash our hands after touching it;After all,you never know where your money's been. Or what's living on it.
3._________
A.with
B.within
C.under
D.outside
[简答题]钢丝绳端部用绳卡固定连接时,绳卡压板应在钢丝绳主要受力的一边,并不得正反交叉设置。
[单项选择]瘿病的实证应着重辨明
A. 有无寒凝
B. 有无血瘀
C. 有无气滞
D. 有无痰阻
E. 有无气郁