热门试题:
[单项选择]男孩4岁,因发热伴双耳垂肿痛3天,头痛1天,喷射性呕吐3次,上腹部疼痛入院。体检:体温40℃,咽红,神志清,颈软,双侧腮腺2cm×3cm,有压痛。心肺无异常。腹软,克氏征、布氏征阴性。该病人最可能的诊断是()
A. 腮腺炎合并胰腺炎
B. 腮腺炎并发急性胃炎
C. 腮腺炎并发胆囊炎
D. 腮腺炎并发脑膜炎
E. 腮腺炎并发睾丸炎
[单项选择]
哪些属于海南岛盛产的著名南药()
1.槟榔
2.益智
3.砂仁
4.巴戟
A. 123
B. 1234
C. 124
[单选题]列车乘务员要加强车门管理,认真执行停开、动关、锁,( )检查瞭望的制度。
A.出站台
B.出站台四门
C.边门
D.出站台边门
[单选题]进入六氟化硫电气设备低位区域或电缆沟进行作业时,应先检测含氧量是否合格()以及六氟化硫气体含量是否超标(不超过1000μL/L)。
A.不低于18%
B.不低于19%
C.不低于19.5%
D.不低于20%
[填空题]The United States and China plan to (47) an ambitious series of sports exchanges aimed at helping both countries in advance of the 2008 Olympics in Beijing.
The program will include major sporting events that the two nations will (48) in alternating years, as well as exchanges in coaching and sports science. There will also be marketing and sports management (49) that the Americans would hold in China to help maximize China’s (50) for the games and sports in general.
U.S. Olympic Committee President Sandra Baldwin completed discussions on the arrangements this week while (51) the ongoing World University Games in Beijing. She called them very successful and was also (52) with the organization at the student games, which are viewed as a rehearsal for the 2008 Olympics.
USOC Spokesman Mike Moran told VOA Sports how the sports exchanges are expected to work. "The (53) would be three or four sports each yea
[填空题]
Blowing Hot and Cold
A. Climate change may be slow and uncertain, but that is no excuse for inaction. One reason why uncertainty over climate change looks to be with us for a long time is that the oceans, which absorb carbon from the atmosphere, act as a time-delay mechanism. Their massive thermal inertia means that the climate system responds only very slowly to changes in the composition of the atmosphere. Another complication arises from the relationship between carbon dioxide (CO
2), the principal greenhouse gas (GHG), and sulphur dioxide (SO
2), and a common pollutant. Efforts to reduce man-made emissions of GHGs by cutting down on fossil-fuel use will reduce emissions of both the gases. The reduction in CO
2 will cut warming, but the concurrent SO
2 cut may mask that effect by contributing to the warming.
B. There are so many such fuzzy factors—ranging from aerosol particles to clouds
[多项选择]关于原发性高血压治疗效果评价,下列哪项是正确的( )
A. 通过治疗可以减低脑卒中发生率
B. 可以降低心力衰竭发生率,病死率
C. 可以改善或保护肾功能
D. 可以降低冠心病的病死率
E. 以上均不对
[单选题]在站内线路上装卸作业时,应在两端来车方向的左侧钢轨设置带有脱轨器的固定或移动信号牌(灯)进行防护,前后两端的防护距离均应不小于( )。
A.30m
B.20m
C.10m
D.5m
[单项选择]经营计划编制的前提是()
A. 调查研究
B. 确定目标
C. 选择方案
D. 综合平衡
[判断题]
机务段运用车间不是机车运用工作的基层组织。
A.正确
B.错误
[单项选择]Under the cash basis of accounting, a firm recognizes revenues from selling goods and providing Services in the period when it receives cash from customers. It reports (19) in the period when it makes cash expenditures for merchandise, salaries, insurance, taxes, and (20) items. To illustrate the measurement of performance under the cash basis of accounting, consider the following example.
Donald and Joanne Allens open a hardware store on January 1, Year 1. The firm receives $20,000 (21) cash from the Aliens and borrows $12,000 from a local bank. It must repay the loan on June 30, Year 1, with interest charged (22) the rate of 12 percent per year. The firm rents a store building on January 1, and pays 2 months’ rent of $4,000 (23) . On January 1, it also pays the premium of $ 2,400 for property and liability insurance coverage for the year (24) December 31, Year 1. During January it acquires merchandise costing $40,000, (25) it purch
A. sell off
B. sold
C. is sold
D. was sold
[单选题]根据《投资管理手册》的预算管理工作要求,编制项目投资预算的时间期限是( )
A.3日内
B.5日内
C.一周内
D.10日内
[多项选择]因输血可传染的疾病是( )
A. 白血病
B. 艾滋病
C. 梅毒
D. 疟疾
E. 病毒性肝炎
[单选题]【单选题】该事件按照《国家电网公司安全事故调查规程》事故定义和级别分类,应定义为( )
A.一般人身事故
B.较大人身事故
C.重大人身事故
D.特别重大人身事故
[判断题]党的十九大明确作出了“中国特色社会主义进入新时代”的重要判断,并对新时代我国社会主要矛盾的变化作出了新的概括——“我国社会主要矛盾已经转化为人民日益增长的美好生活需要和不平衡不充分的发展之间的矛盾”。( )
A.正确
B.错误
[单项选择]晶体三极管工作在放大状态的外部条件是()。
A. 发射结正偏、集电结正偏
B. 发射结正偏、集电结反偏
C. 发射结反偏、集电结正偏
D. 发射结反偏、集电结反偏
[多项选择]收集信息与功能分析阶段的主要工作内容有( )。
A. 对项目的概况进行介绍和说明,使价值工程研究人员都能理解项目构思、设计思路、项目现状、约束条件等
B. 进行功能定义与分类
C. 形成功能分析系统图(FAST图),把各功能按逻辑关系排序,以明确各功能的重要程度
D. 对各功能进行评价,确定各功能的价值指数
E. 明确用户对项目的功能要求
[多选题]工作负责人应具备的基本条件的有:()
A.有本专业工作经验
B.熟悉工作范围内的设备情况
C.熟悉本规程,并经工区(车间)
D.批准的人员担任
E.名单应公布
[多选题]䕩7
在人类道德起源中,人们在劳动中结成生产关系,()
A.形成道德产生所需要的主客体统一的重要条件
B.产生需要调整的人与人之间的利益关系
C.提供道德产生和发展的动力
D.创造人们的道德需要
[多选题]与水钻相比,应用空气钻钻井的优势是( )
A.A.减少煤层伤害
B.B.设备费用低
C.C.缩短钻井周期
D.D.提高机械钻速
[简答题]当代西方政府改革的主要内容及措施有哪些?
[多选题]电锤的功能多,可用来在混凝土、砖石结构建筑物上( )等。
A.钻孔
B.凿眼
C.开槽
D.回填
[单选题]每组接地线及其存放位置均应( ),接地线号码与存放位置号码应一致。
A.A.分类
B.B.编号
C.C.有名称
D.D.保持清洁
[判断题]《上海铁路局旅客列车空调失效应急处置实施细则》(上铁运〔2017〕260号 )规定:各型动车组原则上按照单侧全部车门数量的两倍配备防护网。
A.正确
B.错误
[单项选择]
补体结合试验的指示系统是指( )
A. 抗原
B. 抗体
C. 补体
D. SRBC与相应溶血素
E. 已知抗原(或抗体)与待测抗体(或抗原)
[单选题]道口铺面应与钢轨顶面同水平,钢轨外侧路面距钢轨外侧50mm范围内,应较钢轨面低(()mm。
A.22
B.5
C.16
D.23
[单选题]凝汽器管束之间设置的中间挡水板可以避免凝结水的再次冷却,减小过冷度,从而提高热经济性。
A.正确
B.错误
[判断题]根据我国《保险法》的规定,保险人将其承担的保险业务,以分保形式,部分转移给其他保险人的,为共同保险。( )
A.正确
B.错误
[单选题][T]AC003513
电路是由( )、用电器、导线、电器元件等连接而成的电流通道。
A.电源
B.电动机
C.开关
D.电阻
[单项选择]电缆线路需装设零序电流互感器时,电缆终端头的接地线安装应()。
A. 通过零序电流互感器后接地
B. 接地点在互感器以上时,用绝缘接地线不通过零序电流互感器接地
C. 接地点在互感器以上时,用绝缘接地线通过零序电流互感器后接地
D. 接地点在互感器以下时,用绝缘接地线通过零序电流互感器接地
[单项选择]假定被检验的数据M(x)=1000,其选择生成多项式为G(x)=x3+x+1,该数据的循环冗余校验码(CRC码)应为( )。
A. 1000110
B. 1000101
C. 1000111
D. 10000
[单选题]临床上应注意根尖距离上颌窦最近的牙是
A.上颌第一前磨牙
B.上颌第二前磨牙
C.上颌第一磨牙
D.上颌第二磨牙
E.上颌第三磨牙