热门试题:
[判断题]ZPW-2000A轨道电路在调谐区内分路时,轨道电路不存在死区段。
A.正确
B.错误
[单项选择]测定粮食容重前,要用规定选筛筛(),去除样品中的杂质。
A. 异种粮
B. 害虫
C. 试样
D. 杂质
[单项选择]以下疾病均可伴有Coom’s试验阳性的自身免疫性溶血性贫血,哪一项除外
A. Evans综合征
B. 再生障碍性贫血
C. 系统性红斑狼疮
D. 慢性淋巴细胞白血病
[判断题]线路中有磁通就具有感应电动势,磁通越多感应电动势就越大。( )
A.正确
B.错误
[单项选择]
The first newspapers were handwritten sheets which were posted in public places. The earliest recorded newspaper was started in Rome in 59 B. C.. In the 700s, the world’s first printed newspaper was developed in China. The paper was printed from carved wooden blocks and distributed among the citizens. Europe didn’t have a regularly published newspaper until 1609, when one was started in Germany. The first regularly published newspaper in the English language was printed in Amsterdam in 1620. In 1621, an English newspaper was started in London and was published weekly. The first daily English newspaper was the Daily Courant( current), which didn’t appear until March 1702. In 1690, Benjamin Harris printed the first American newspaper in Boston. The paper was called Publick (public) Occurrences, hath forreign (foreign) and domastick (domestic). The local government, however, didn’t approve of the paper and stopped its publication after the first issue. In 170
A. China developed advanced technology in printing long before any other countries in the world.
B. Move people read newspapers in English than in any other languages.
C. Japan is the country where people read more newspapers.
D. Newspapers have developed quickly in the U.S. since the beginning of the 18th century.
[单选题]下列属于混合式换热器的是( )
A.省煤器
B.冷油器
C.锅炉喷水减温器
D.空气预热器
[单选题] 在社会主义初级阶段,我国必须坚持和完善( )为主体、多种所有制经济共同发展的基本经济制度。( )
A. 公有制
B. 集体所有制
C. 全民所有制
[判断题]运用车辆公里:为运用货车总走行公里数,等于运用车数乘各该车辆的走行公里。
A.正确
B.错误
[单项选择]双位控制中,如果被控变量在一个()的范围波动,则振荡周期较长,运动部件的动作次数较少,磨损和冲击降低。
A. 较宽
B. 较窄
C. 呆滞区及以外
D. 呆滞区外
[多选题]根据《学院第二专、本科学生网络社交工具使用行为规范 》学警工作微博、微信公众号必须( )且经过实名认证才能开设。
A.报批
B.报告
C.待审
D.同意
[单选题]某工作电压为5V的CMOS非门电路,前后4个非门电路输入输出首尾相接,如果最前端非门输入端电压为4.3V,此时最后输出端电压约为0.1V,则推断不可能的是( )。
[1分]
A.该电路工作正常
B.某门电路失效
C.该门电路输出被短路
D.该门电路内部输出断路
[单项选择]以下为不溶型薄膜衣材料的是
A. HPMC
B. EC
C. 邻苯二甲酸羟丙基甲基纤维素
D. 丙烯酸树脂Ⅱ号
E. 丙烯酸树脂Ⅳ号
[单项选择]放大摄影的注意事项,错误的是()
A. 应尽量减少运动模糊
B. 熟练掌握解剖知识
C. 依焦点尺寸计算允许放大倍数
D. 计算放大率以病灶至胶片的距离为准
E. 被照体不同层面的放大率相同
[单选题]对于橡塑电缆,校验潮气以导线内有无水滴作为判断标准。
A.A、正确
B.B、错误
[单选题]风湿性心脏瓣膜疾病患者, 心房纤颤好发于
A.二尖瓣狭窄
B.二尖瓣关闭不全
C.主动脉瓣狭窄
D.主动脉瓣关闭不全
E.以上都不是
[单选题]调车工作中,夜间红色灯光作圆形转动后,上下摇动,表示( )。
A.溜放信号
B.取消信号
C.连结信号
D.试拉信号
[单选题]一个采(盘)区内同一煤层的一翼最多只能布置( )个采煤工作面和(A)个煤(半煤岩)巷掘进工作面同时作业。
A.1 2
B.2 4
C.2 2
[判断题]抢险救援服外层面料性能有阻燃性能、表面抗湿性能、断裂强力三种
A.正确
B.错误
[单选题] 空调在制热时先启动通风机,再启动电加热。(1.0分)
A.Yes
B.No
[多项选择]评价点估计量的基本标准常见的有()
A. 无偏性
B. 一致性
C. 可靠性
D. 有效性
E. 经济性
[单选题]某2岁婴幼儿,头围测量为54cm,应考虑下列哪种疾病( )(1分)
A.脑炎
B.脑积水
C.头小畸形
D.佝偻病
E.营养不良
[单选题]电动机( )作为电动机磁通的通路,要求材料有良好的导磁性能。
A.机座
B.端盖
C.定子铁芯
[填空题]No. 1
Notice
Ail the students of the Department of Foreign Languages are requested to meet in the First Hall on Friday (May, 18) at 2:00 p.m. to hear a report on Modem American Education to be given by the visiting American Professor, Mr. Adam Black.
The Department Office
May 14, 2007
No. 2
Notice
Teachers’ Reading Group Meeting
Thursday, Sept. 20, 2:00 p.m.
General Conference Room, Greer School
"How to Handle with Hyperactive Child"
Billie Smith will present new information to help you cope with this important problem.
8ep. 17, 2007
What are the students asked to do
They are asked to ______.
[单选题]轴流泵是按调节叶片角度的可能性分为( )三种类型。
A.固定式、半调节式和全调节式
B.立式、卧式和斜式
C.封闭式、半敞开式和全敞开式
D.全角、半角和固定角
[判断题]( )砂浆的流动性用坍落度表示。
A.正确
B.错误
[单选题]保险销售从业人员要以维护和提高保险业的信用和声誉为重,以卓著的信用和良好的
道德形象,赢得客户和( )及社会的信任。
A.投保人
B.受益人
C.保监会
D.保险人
[简答题] Even as the economy improves, a jobless executive may face up to a year or more of unemployment. This is a lot of time, especially for hard-charging high-performers who are not used to having any free time. While some job seekers spend hundreds—even thousands—of hours discovering daytime television, others seem to thrive on activities that boost their professional careers or resolve family issues when they aren’’t working.
Having an extended period of free time in the prime of one’’s life can in fact be a unique opportunity to focus on volunteer service, professional education or personal growth.
Community Involvement
For Lisa Perez, the wakeup call was burned pork chops. An executive who previously hadn’’t been particularly interested in home and health had become obsessed with homemaking during a stint of unemployment.
She realized that cleaning and organizing her home wasn’’t helping her job search. Nevertheless, "I made lists of 50 things to do every day,"
[单项选择]根据国家标准,有限空间作业中,当含氧量低于()%禁止人员进入有限空间作业。
A. 15
B. 18
C. 20
D. 21
[单选题]在传染病报告中,对其他乙、丙类传染病病人、疑似病人和规定报告的传染病病原携带者在诊断后,实行网络直报的责任报告单位应于( )小时内进行网络报告
A.2
B.12
C.6
D.24
[判断题]根据宴席档次的要求,将各种加工成形的原料加以适当的配合,供烹调或直接食用的工艺过程称菜肴组配。
A.正确
B.错误
[单选题]委托书授权不明的,被代理人应当向第三人承担民事责任,代理人()。
A.不负责任
B.独自承担责任
C.负连带责任
D.没有责任