热门试题:
[单项选择]慢性肉芽肿病发病原因是（）
A. 红细胞内酶缺陷
B. T细胞功能缺陷
C. B细胞功能缺陷
D. 中性粒细胞功能缺陷
E. 补体功能缺陷
[单选题]设备检修后现场管理应做到“三见”，其内容不包括（ ）。
A.沟见底
B.轴见光
C.现场无漏点
D.设备见本色
[单项选择]为了防止计算机病毒的传染，应该做到
A. 不要拷贝来历不明的软盘上的程序
B. 对长期不用的软盘要经常格式化
C. 对软盘上的文件要经常重新拷贝
D. 不要把无病毒的软盘与来历不明的软盘放在一起
[判断题]不同金属、不同规格、不同绞制方向的导线或架空地线,不得在一个耐张段内连接
A.正确
B.错误
[判断题]使用绳索开展高空救援时，绳索架设在建（构）筑物最高点，应使用建筑物保护器或其他形式的护垫（具），受力点连接处及紧绷绳的弯角处严禁站人。（）
A.正确
B.错误
[判断题]两相触电危险性较单相触电大。( )
A.正确
B.错误
[单选题] [ ]比较适合发布病毒式商务信息。
A. 第三方电子商务交易平台
B. 新闻组
C. SNS
D. WIKI
[单项选择]关于商品房违规销售行为的处罚，说法正确的是（）。
A. 未取得房地产开发企业资质证书，由县级以上人民政府工商行政管理部门依照《城市房地产开发经营管理条例》的规定处罚
B. 未取得营业执照，擅自销售商品房的，责令停止销售活动，处5万元以上10万元以下的罚款
C. 违反法律、法规规定，擅自预售商品房的，责令停止违法行为，没收违法所得；收取预付款的，可以并处已收取的预付款3%以下的罚款
D. 在未解除商品房买卖合同前，将作为合同标的物的商品房再行销售给他人的，处以警告，责令限期改正，并处2万元以上3万元以下罚款
[单项选择]法的（）特征，集中表明了法与国家的不可分割的必然联系。
A. 由特定的国家机关制定的
B. 依照特定程序制定的
C. 具有国家强制性
D. 调整人们行为的社会规范
[单选题]在常用的螺栓防松方法中，不属于摩擦防松的是（ ）。
A.螺纹胶粘合防松
B.弹簧垫片防松
C.对顶螺母防松
D.自锁螺母防松
[填空题]The nation’s economic focal point was now focused on the importance of______.
[单选题]洋地黄中毒多见的心律失常是
A.室上性心动过速
B.室性期前收缩二联律
C.心房纤颤
D.房室传导阻滞
E.房性期前收缩
[多项选择]关于见证取样的说法，正确的有（）。
A. 国家级和省级量认证机构认证的实施效力相同
B. 见证人员必须取得《见证员证书》且有建设单位授权
C. 检测单位接收委托检验任务时，须有送检单位填写的委托单
D. 见证人员应协助取样人员按随机取样方法和试件制作方法取样
E. 见证取样涉及的行为主体有材料供货方、施工方和见证方
[单选题]企业的应急预案应由本单位( )签署,向本单位从业人员公布,并及时发放到本单位有关部门、岗位和相关应急救援队伍。
A.主要负责人
B. 分管安全负责人
C.安全管理机构
D. 安全管理人员
[填空题]烟叶霉变、压油、虫蛀的检验中,抽烟烟箱应该按堆垛垛位的上层、中层和下层呈斜状取箱,而且要求两个烟箱号间隔_______箱以上。( )
[单选题]除国务院财政、税务主管部门另有规定外，与生产经营活动有关的器具、工具、家具等计算折旧的最低年限为（ ）。
A.10年
B.20年
C.15年
D.5年
[单选题]发电机转子发生两点接地,静子会出现( )。
A. 二次谐波;
B.三次谐波;
C. 五次谐波;
D. 零序分量。
[多选题]发现色灯信号机灯泡有（ ）等任一情况时不准使用。
A.A、主、副灯丝同时点亮或其中一根灯丝断丝
B.B、灯泡漏气、冒白烟
C.C、内部变黑
D.D、灯口歪斜、活动或焊口假焊
[单选题]现场使用的安全工器具应合格并符合有关要求。
A. 对
B. 错
[单选题]某孕妇第一胎因出生重度窒息死亡,现孕第二胎,在询间病史时,下列与新生儿窒息的发生有关的是 (0.5分)
A.母亲有妊娠期高血压疾病史
B.母亲孕期营养过剩
C.母亲有乙肝史
D.母亲有慢性咳嗽史
E.母亲有流产史
[单项选择]The United States government’s support of slavery was based on an overpowering practicality. Before America even had a history it was busy creating a (67) ethnic class for it to look down (68) . The history of black people in the United States begins with the birth of (69) . African Americans were (70) not just as a lower class of people, but simply as property, creating an (71) for equality that may never (72) Slaves were subjected to the poorest of living (73) , whippings not uncommon, and often having tight knit families, mothers and daughters, fathers and sons split when sold (74) from each other. Early slave resistance was often to the effect of (75) property, running away or just working (76) but sometimes went as far as killing masters and burning (77) buildings. In some instances masters were fast to (78) themselves from this by making lower class whites overseers, hoping
A. farmers
B. slavery
C. slaves
D. inferiors
[单选题]在停有（ ）的线路上禁止手推调车。
A.客车
B.货车
C.动车组
D.特种用途车车
[单选题]多个小组工作，（ ）应得到所有小组负责人工作结束的汇报。
A.工作许可人
B.工作监护人
C.工作票签发人
D.工作负责人
[单项选择]白果的功效是（）
A. 清热化痰
B. 消痰软坚
C. 燥湿化痰
D. 敛肺平喘
E. 泻肺平喘
[判断题](判断题)当系统要求具有较大的分类能力时,则采用较高的自动分类机,并最好震荡较小的宽皮带传送方式,以免损坏货物。
A.正确
B.错误
[多选题]《中国铁路上海局集团有限公司旅客遗失物品管理办法》(上铁客〔2017〕456号)规定：公开处理遗失物品底价确定应适当参照该物品（ ）等因素。
A.原价格
B.市场价格
C.物品的折旧
D.损耗
[单选题]起重机停放或行驶时，其车轮、支腿或履带的前端或外侧与沟、坑边缘的距离不得小于沟、坑深度的（ ）倍；否则应采取防倾、防坍塌措施。
A. A.1.2
B.B.1.5
C.C.1.8
D.D.2
[填空题]Science textbooks and technical and professional journals are usually made up of several parts and contain various special features, many of which have a standard format. 【B1】 usually contain a large number of these parts; journals and 【B2】 contain many, but not all of them.
Knowing where to look for information and 【B3】 to expect in a book can greatly increase your ability to use all the information there. Explanations of and practice using some of these textbook parts and 【B4】 are covered in these even numbered lessons. The features in textbooks are 【B5】 into the following three categories. Front matter is the 【B6】 -numeral paginated section at the front of most books. The text is the main body of the book. The 【B7】 matter comprises the additional sections at the back of most books. 【B8】 our discussion of these three sections will deal mainly with textbooks, the practice provided will greatly 【B9】 your comprehension of scientific 【B10】 as well.
A. A．increase
B．lift
C．raise
D．enhance
[单选题] 李某与医生王某约定,由李某招募、供养器官提供者,王某主刀摘取器官,再由李某出卖,利益五五分成。二人共出卖5个肾脏,分别获利5万元。下列说法正确的是( )。
A.李某与王某不构成共同犯罪
B.李某与王某都是主犯
C.李某是主犯,王某是从犯
D.李某构成组织出卖人体器官罪,王某构成故意伤害罪
[填空题]普速铁路上道作业时，不得在（ ）上行走。
[多选题]患者男性48岁“左足皮肤反复溃疡半年溃烂、疼痛加剧1周”来院就诊诊断为“糖尿病足”于2012年6月12日轮椅入院。患者入院时左足末梢血运差皮肤溃烂有脓液流出左小腿红肿、皮温高胫前区有皮肤溃疡两处。患者既往糖尿病20年现皮下注射来得时、口服拜糖平治疗。家庭经济状况一般育有一女一儿关系和睦。患者于2013年5月17日08：00在全麻下行左小腿截肢术术毕于11:15返回病房。带回伤口负压引流管一根通畅血性引流液。关于幻肢痛的描述正确的有： ( )
A.多为持续性
B.以夜间为甚
C.以白天为甚
D.属于精神因素性疼痛
E.可采取放松疗法等心理治疗手段消除疼痛
[单项选择]农业区位论的特点是用（）等主要概念来说明同心圆土地利用模型的形成机制。
A. 合理购物行为
B. 运费最小
C. 接近性和地价负担能力
D. 经济人
[单选题]vmax≤120km/h正线直线和圆曲线上三角坑的作业验收标准是( )。322020202
A.4mm
B.5mm
C.6mm
D.7mm
[填空题]
Segregation in Education
Until the 1950s, the equal
(1) provided by the 14th Americans of different origins. In 1896, the Supreme Court ruled that "segregation by race did not necessarily imply racial
(2) thus resulting the continuation of segregated schooling.
I. In 1954, the Supreme Court ruled: States had to provide equal educational opportunities to all students and viewed segregated schooling as "
(3) unequal"
II. In the late 1960s and early 1970s, the United States started to eliminate segregated schools.
1) Desegregation processes instituted through
(4) busing.
2) Many white parents’ choosing to flee the inner city or enrolled their children in
(5) schools.
3) Some African -Americans’ leaving their
(6) III. In recent years, (7) plans have been made to deal with the si
[判断题]BD002 在调节阀前后压差较大时,可用气动阀门定位器克服流体对阀芯产生的不平衡力。( )
A.正确
B.错误
[单项选择]
A few years ago, Facebook was forced to retreat from a new service called Beacon. It tracked what the social network’s users were doing elsewhere on the web—which caused a huge (1) because Of the loss of personal privacy. (2) , Facebook promised to make (3) efforts to better protect people’s information.
But (4) the firm has not been trying very hard. On November 29th America’s Federal Trade Commission (FTC) (5) the results of an investigation it had conducted of Facebook. They showed that the world’s biggest social network, which now (6) more than 800 million users, has been making information public that it had (7) to keep private.
The FTC’s findings come at a(n) (8) time for Facebook, which is preparing for an initial public offering (IPO) that is almost (9) to take place next year. Some recent reports have (10) that the firm may seek a l
A. confirmed
B. denied
C. appealed
D. pledged
