[单项选择]中心性发绀常具有的特点是（）
A. 常出现在肢体末梢
B. 伴有皮肤温度降低
C. 见于右心衰竭时
D. 见于发绀型先天性心脏病时
E. 见于严重休克时

[简答题]Part 2&3Do you think it’s important for a person to have a career plan How do most people plan their future education and their future career Do you think it’s important to include the factor of one’s salary in a career plan Do you think planning is important What kinds of personal plans should people make for themselves In general, how do people make plans For a person with children, what influence does this have on their personal plans for the future An important city Describe an important city in your country. You should say: where the city is what people do there whether you visited before and explain why you think the city is important.

[多项选择]钙在血浆中的存在形式有（　）
A. 游离
B. 与蛋白结合
C. 与阴离子形成复合物
D. 与钙调蛋白结合
E. 与钙结合蛋白结合

[判断题]判断题 违反规定，在公务接待、公务交通、会议活动、办公用房以及其他工作生活保障等方面超标准、超范围的，情节较轻的，予以警告、记过或者记大过。（ ）
A.正确
B.错误

[单项选择]

Although the size of the workforce depends a great deal on the size of the total population, there are several other influences which also affect it. The age distribution of the total population has a very (21) effect on the available workforce. If the population has a high (22) of very young people or of (23) too old to work, then the available workforce would be lower than (24) there were an (25) spread age distribution. If the population grows raidly (26) natural increase, i.e., the number of births greatly (27) the number of deaths, then as a total population increases the proportion of the workforce (28) .
Sometimes a population is described as aging, (29) means that the birth rate is either falling or growing very slowly, and as people retire (30) the workforce there are insufficient numbers of young people entering it to (31) those who are leaving it. The population is
A. declines
B. refuses
C. rejects
D. inclines

[单选题]vmax＞160km/h正线直线和圆曲线上三角坑的经常保养标准是( )。[322020202]
A.3mm
B.4mm
C.5mm
D.6mm

[多选题]严格落实安全形势分析制度。总队每半年.支队每季度.大队.站每月至少开展1次灭火救援作战训练安全形势分析,查找( )等方面存在的问题或薄弱环节,分析原因,总结教训,制定针对性措施。 ( )
A.责任落实
B.人员编配
C.网络泄密
D.学习训练
E.装备维保
F.车辆巡查
G.行车管理
H.作战安全

[不定项选择题]共用题干 Computer Mouse The basic computer mouse is______(51)amazingly clever invention with a relatively simple design that allows us to point at things on the computer and it is very productive.Think of all the things you can do with a mouse like selecting text for copying and pasting , drawing , and even scrolling（滚动）on the page with the newer mice with the wheel.Most of us use the computer mouse daily without stopping to think how it______(52)until it gets dirty and we have to learn how to______(53)it.We learn to point at things______(54)we learn to speak,so the mouse is a very natural pointing device.Other computer pointing devices include light pens,graphics tablets and touch screens,but the mouse is still our workhorse. The computer mouse was_____(55)in 1964 by Douglas Englehart of Stanford University.As computer screens became more popalar and arrow keys were used to move around a body of text,it became clear that a pointing device that allowed easier motion through the text and even selection of text would be very useful.The introduction of the mouse,with the Apple lisa computer in 1983,really started the computer public on the road to relying on the mouse_____(56)routine computer tasks. How does the mouse work?We have to start at the bottom,so think upside down for now.It all starts with the mouse ball.As the mouse ball in the bottom of the mouse rolls over the mouse pad,it presses against and turns two shafts（轴）.The shafts are connected to wheels with several small holes in them.The wheels have a pair of small electronic light-emitting devices______(57) light-emitting diodes(LE D)mounted on either side.One LED sends a light beam to the LED on______(58)side.As the wheels spin and a hole rotates by,the light beam gets through to the LED on the other side.But a moment______(59)the light beam is blocked until the next hole is in place.The LED______(60)a changing pattern of light, converts the pattern______(61)an electronic signal,and sends the signal to the computer through wires in a cable that goes out of the mouse body.This cable is the tail that helps give the mouse its name.The computer interprets the signal to tell it where to position the cursor on the computer______(62). So far we have only discussed the basic computer mouse that______(63)of you probably have or have used.One problem with this design is that the mouse gets dirty as the ball rolls over the surface and picks up dirt.______(64)you have to clean your mouse.The newer optical mice______(65)this problem by having no moving parts. 59._________
A.late
B.later
C.after
D.when

[多项选择]医生通过感染实时监控系统可以上报（）院内感染部位。
A. 上呼吸道感染
B. 下呼吸道感染
C. 手术部位感染
D. 菌血症
E. 泌尿系感染

[单选题]类风湿关节炎的典型临床特征是
A.手足发冷
B.游走性关节炎
C.低热
D.大关节炎为主
E.慢性对称性小关节炎

[单选题]CRH2A型动车组增压缸罩表面弯曲变形或局部凹陷深度大于 （ ）mm 时调修，外观检查焊缝开裂或破损时焊修。( )
A.5
B.10
C.15
D.20

[判断题]甲涉嫌贷款诈骗罪被A县公安局监视居住,其购买的某公司股票被依法冻结,适逢股市波动,A县公安局为了减少甲的损失,可以出售甲的该股票,但所得价款应当继续冻结在其对应的银行账户中。
A.正确
B.错误

[判断题]捆绑式堵漏带具有抗油、抗臭氧、抗化学与耐油性,短期耐热性等特点。
A.正确
B.错误

[多选题]摄像机按输出接口主要分为( )摄像机。
A.彩色摄像机
B.模拟摄像机
C.数字摄像机
D.模拟数字一体

[单选题]关于断开自动驾驶仪的方法 ，以下说法正确的有： 1.通过驾驶盘自动驾驶仪脱开按钮 2.在任何情况下，都可以通过过量操纵驾驶盘、杆或者方向舵踏板脱开自动驾驶仪 3.采用过量操纵的方式断开自动驾驶仪不是正常情况下断开自动驾驶仪的做法（如在LAND2显示时操纵方向舵等）。 4.若使用Autopilot (A/P) DISENGAGE Bar断开自动驾驶仪将会断开所有三部自动驾驶仪
A.123
B.134
C.124
D.234

[单项选择]2010年上海世界博览会的主题是（）
A. 自然的智慧
B. 蓬勃发展的全新世界
C. 花与绿，人类与自然
D. 城市，让生活更美好

[单项选择]当采用存储单元与I/O端口统一编址时，CPU的数据传送指令（）。
A. 可以访问I/O端口和存储单元
B. 只能访问I/O端口
C. 既不能访问存储单元又不能访问I/O端口
D. 只能访问存储单元

[判断题]厂内机动车辆应该每季度检验一次，并应有统一牌照和车辆编号。()
A.正确
B.错误

[单项选择]早期发现肺结核的最主要方法是（）
A. 询问病史
B. X线检查
C. 痰菌检查
D. 血沉检查
E. 结核变态反应

[判断题]重力除尘器是一种靠惯性力使固体颗粒与气体分离的干式除尘器。
A.正确
B.错误

[多选题]工作终结报告应按以下方式进行(____)。
A.口头报告
B.当面报告
C.电话报告
D.书面报告

[多选题]对金属非金属地下矿山企业安全预防性检查的重点是:( );
A.是否实现机械通风;
B.通风系统是否合理;
C.提升运输设备是否安全可靠;
D.是否建立专职应急机构;

[简答题]闭路式道口无绝缘轨道电路收发器的作用？

[单项选择]急性左心衰竭的病人，应采用的体位是
A. 去枕仰卧位
B. 中凹位
C. 右侧卧位
D. 半坐卧位
E. 左侧卧位

[判断题].BE003 在夏季,应选用高粘度机油。( )
A.正确
B.错误

[单选题]搭建脚手架时,如果未按规定做好必要的临时( )和拉结,就会发生脚手架倾斜倒塌,人员坠落事故
A.着陆点
B.立杆
C.支撑

[单项选择]

肖先生，72岁，胃癌晚期，不能进食，给予脂肪乳、氨基酸等输入。一周后注射部位沿静脉走向出现条索状红线，局部组织肿胀、发红，病人主诉有疼痛感。

此病人发生了静脉炎，与下列哪些因素有关（）
A. 输液速度过快
B. 输液量过大
C. 溶液含有致热物质
D. 长期输入高浓度溶液
E. 输液速度过慢

[单项选择]以下哪项不属于营养状态良好
A. 体重超标
B. 皮肤有光泽
C. 皮下脂肪丰满
D. 肌肉结实
E. 毛发、指甲润泽

[单项选择]结肠癌最早出现的症状是（）
A. 腹痛
B. 排便习惯及粪便性状改变
C. 腹部血块
D. 全身症状
E. 肠梗阻

[单项选择]如果燃料为油质物质，在冬季输送管线伴热不佳会导致管线出现（），导致燃料中断
A. 冻堵
B. 泄漏
C. 振动
D. 弯曲

[单选题] 用钻杆动力钳卸反扣钻杆时,如果要用上扣安全阀来控制上扣压力,必须将溢流阀固定于油马达阀板上的四个螺丝松开,把阀转（）°。
A.90
B.180
C.270

[单项选择]