热门试题:
[单项选择]After the year 1958, a more modern Supreme Court agreed with Justice Helen. In a historic decision in 1954 it held that laws that forcing black students to go to racially segregated schools violated the US Constitution because such schools could never be equal. The opinion of the Court was that "to separate (black school children) from other--solely because of their race generates a feeling of inferiority- that may affect their hearts and minds in a way unlikely ever to be undone".
The Supreme Court’s decision in 1954 led to changes which brought an end to the system of segregated public education in the southern states. However, problems in race relations continued to trouble the public schools, even though schools were legally desegregated throughout the country.
Black Americans were still mainly in the lowest income and occupational groups and frequently lived in slums in the nation’s largest cities. The public schools in these areas were composed predominantly or enti
A. black students to go to racially segregated schools
B. that it was unlawful to force Negro children to attend racially segregated schools
C. that black students shouldn’t attend schools with white classmates
D. that the schools black children attended were of little difference
[单项选择]市场结构的基本类型不包括()。
A. 完全竞争
B. 完全垄断
C. 寡头竞争
D. 寡头垄断
[填空题]For BEC Vantage, candidates are required to produce two pieces of writing:
An internal company communication; this means a piece of communication with a colleague
or colleagues within the company on a business-related matter, and the delivery medium may be a note, message, memo or e-mail. And one of the following:
A piece of business correspondence; this means correspondence with somebody outside the company (eg. A customer or supplier) on a business-related matter, and the delivery medium may be letter, fax or e-mail.
A report; The report will contain an introduction, main body of findings and conclusion.
A proposal; this has a similar format to a report, but unlike the report, the focus of the proposal is on the future, with the main focus being on recommendations for discussion; it is possible that the delivery medium may be a memo or an e-mail.
For BEC Vantage, an internal company communication and a piece of business correspondence, or
a report, or<
[判断题]液化石油气泄漏事故处置过程中进入警戒区内所有人员不得穿化纤类服装和带铁钉的鞋。( )(中)
A.正确
B.错误
[单项选择]按照痤疮的Pillsbury分类法,如面部、胸背部出现深在性炎性丘疹应为()
A. Ⅰ度
B. Ⅱ度
C. Ⅲ度
D. Ⅳ度
E. Ⅴ度
[多选题]春秋战同时期的诸子百家中,流传较广、影响较大,最终发展成学派的有()。
A.阴阳家
B.名家
C.杂家
D.农家
[填空题]人类体细胞中有:______________________、__________________________为常染色体。
[单选题]依据《中国石化动土作业安全管理规定》, 在( )动土时,应与有关操作人员建立联系。
A.地下供排水管线
B.化工危险场所
C.埋地电缆
D.交通要道
[不定项选择题]A.必须执行检查制度
A.必须准确无误,并正确说明用法、用量和注意事项
B.必须有真实、完整的购销记录
C.必须执行药品保管制度
D.必须根据医师处方
E.药品经营企业购进药品
[判断题]当执行指令EXIT的时候,机器人指针跳回至机器人主程序第一行且停留。
A.正确
B.错误
[判断题]路的停、送电均应按照值班调度员或线路工作负责人的指令执行。( )
A.正确
B.错误
[判断题]人民警察使用武器时,一般应经警告无效;但使用警械时则无须警告。
A.正确
B.错误
[简答题]Vmax≤200km/h,一级碎石道砟通过边长为( )mm的方孔筛,过筛质量百分率为0%~5%。
[单选题]
直流设备运行期间周围空气温度不高于(____)℃,不低于?10℃。
A.35
B.40
C.50
D.60
[单项选择]一般商品只有在多次流通过程中才能不断增值,但艺术品作为一种特殊商品却体现出了与一般商品不
同的特性。在拍卖市场上,有些古玩、字画的成交价格有很大的随机性,往往会直接受到拍卖现场气
氛,竞价激烈程度,买家心理变化等偶然因素的影响,成交价有时会高于底价几十倍乃至数百倍,使
得艺术品在一次流通中实现大幅度增值。
以下哪项最无助于解释上述现象?
A. 艺术品的不可再造性决定了其交换价格有可能超过其自身价值。
B. 不少买家喜好收藏,抬高了艺术品的交易价格。
C. 有些买家就是为了炒作艺术品,以期获得高额利润。
D. 虽然大量赝品充斥市场,但是对艺术品的交易价格没有什么影响。
E. 国外资金进入艺术品拍卖市场,对价格攀升起到了拉动作用。
[单选题]应拉开隔离开关(刀闸),手车开关应拉至试验或检修位置,应使各方面有一个明显的断开点,若无法观察到停电设备的断开点,应有()不同源指示设备为断开状态,如电气和机械指示等。
A.至少一个
B.至少三个
C.至少两个
D.至少四个
[判断题]工商部门要为港澳居民免费提供法律法规的咨询服务,申请设立个体工商户的,工商部门不得收取任何费用。
[单项选择]{{B}}Section A{{/B}}
{{B}}Directions:{{/B}}{{I}} This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A), B), C), D) given in your test paper. Then you should mark the corresponding letter on the Answer ,Sheet with a single line through the center.{{/I}}
A. 5:30.
B. 5:00.
C. 5:15.
D. 5:45.
[单选题] 既有大小,又有方向的物理量称为( )。
A.矢量
B.代数量
C.标量
D.数量
[单选题] 有漏点的补口破坏性检测造成破损的补口应采用()进行修复。
A.聚乙烯补伤片
B.无溶剂液态环氧
C.热收缩带
D.3PE
[单项选择]慢性肺心病心力衰竭时,使用强心剂的情况是()
A. 感染已控制,利尿剂无效
B. 心率大于120次/分
C. 明显气急紫绀
D. 两肺底湿性啰音
E. 肺动脉高压
[多选题]"装有SF6设备的配电装置室和SF6气体实验室 必须( )。
A.装设强力通风装置;
B.风口应设置在室内底部;
C.风口应设置在室内上部;
D.进行封闭。"
[填空题]设备维护保养管理工作包括()、设备的润滑管理、设备的定期试验和维护、设备的“四保持”工作等。
[单项选择]投保人可以以具有现金价值的保险单作为质押,向()申请贷款。
A. 银行
B. 保险中介
C. 保险人
D. 保险代理人
[单项选择]
Nobody, it seems, wants to be left out of Argentina’s current boom in television reality shows. After the success of local versions of "Big Brother" and "Survivor", a camera is now to be (1) in the presidential palace, the Casa Rosada, to film everything (well, almost) (2) President Fernando de la Rua gets (3) to. The results will be edited and (4) several times a day, (5) the state channel, Canal 7: thus dispell, it is (6) , the notion that the president spends his time twiddling his thumbs to his economy minister, Domingo Cavallo, runs the country.
This is a dangerous strategy. Mr. de la Rua’s predecessor, Carlos Menem, was famous for his love of show business, even closing his 1995 presidential campaign (7) an appearance on the hit show "Videomatch". In deliberate (8) , before his election victory two years (9) . Mr. de la Rua (10) in television commercials t
A. approached
B. approaching
C. coming
D. verging
[多项选择]现场踏勘或观察调查法主要用于( )的调查。
A. 民风民俗
B. 历史文化
C. 城市空间结构
D. 交通量
[单选题] (单选题)元数据(Metadata)为描述App的数据,下列哪些不属于元数据的是( )。
A. App名称
B. 关键词
C. 副标题
D. 描述
[单选题]拉线绝缘子的装设位置,应使拉线沿电杆下垂时,绝缘子离地高度应在()。
A.1m以上
B.1.5m以上
C.2m以上
D.2.5m以上
[不定项选择题]心脏衰老是不可避免的自然规律,随着年龄的增长,患心血管疾病的风险增大是自然 的。 因此,在很多现代人眼里,心血管问题似乎是老年人的专利。 在欧美等发达国家,心血管病 发病高峰确实呈老龄化态势,发病风险最高的为 60 岁以上的老人。 而在中国,一项由北京某权 威研究中心进行的、耗时十年涉及北京等 17 个省市的研究表明,中国处于职业巅峰期,即 40 岁到 64 岁的人群受到心血管病影响的比例比发达国家更大。 在过去 15 年里,中国 35 岁至 44 岁年龄组患冠心病的人数增长了 150%。
文段意在说明的是:
A.与欧美发达国家相比,中国的心脏病患者更为年轻
B.心脏衰老是自然规律,老年人发病率高不可避免
C.中国的心脏病患者多病发在 35 到 44 岁的年龄段
D.中国人的身体健康状况明显逊色于欧美发达国家
[单选题]短时间退出防误操作闭锁装置时,应经()或发电厂当班值长批准,并应按程序尽快投入。
A.变电运维班(站)长
B.发令人
C.调控人员
D.监护人
[判断题]HXD3电力机车特性控制:采用恒牵引力/制动力+准恒速特性控制,实现对机车的控制要求。( )
A.正确
B.错误
[简答题]修理者应当履行的五项“三包”义务是什么?
[单项选择]下列各项中,应当加入保险行业协会的是()。
A. 保险代理人
B. 保险公司
C. 保险经纪人
D. 保险公估机构
[填空题]绝缘材料电老化的主要原因是由( )引起。
[多选题]工务轨道车、大型养路机械(以下简称工务机械车)必须配备(),并应配备起复设备、防溜器具、轴温监测装置、灭火器具等。
A.GYK
B.CIR
C.CRI
D.防护备品
[判断题] 贯彻新发展理念,建设现代化经济体系,必须坚持质量第一,效益优先,以供给侧结构性改革为主线
A.正确
B.错误
[单选题]在接发列车工作中,任何情况下都不能指派他人办理而必须由车站值班员亲自办理的作业是()。
A.办理闭塞
B.布置进路
C.开放信号
D.交接凭证