热门试题:
[判断题] 稳定性是保证叉车安全作业的最重要条件。
A.正确
B.错误
[单选题]单向扩散出现多条沉淀线的原因是
A.抗原过剩
B.抗原抗体相等
C.抗原抗体不纯
D.抗原抗体缺乏
E.抗体过剩
[单选题]在带电设备周围使用工器具及搬动梯子、管子等长物,应满足安全距离要求。在带电设备周围禁止使用钢()进行测量。
A.A.卷尺
B.B.电子测距
C.C.绝缘绳
D.D.绝缘尺
[单项选择]若蒸汽流量不变,阀门口径大,节流损失会()。
A. 增大
B. 减少
C. 不变
D. 无规律变化
[单选题]失业保险调剂金以统筹地区依法应当征收的失业保险费为基数,按照( )规定的比例筹集。
A.省、自治区人民政府
B.县级人民政府
C.市级人民政府
D.各级人民政府
[填空题]肾病综合征常表现为_______、_________、______并常有________。
[单选题]男性,20岁,心脏超声检查示:原发孔房间隔缺损、膜周部室间隔缺损和共同房室瓣口,桥瓣的腱索与室间隔嵴顶部相连,诊断为完全型心内膜垫缺损,亚型属于( )
A.完全型心内膜垫缺损-A型
B.完全型心内膜垫缺损-B型
C.完全型心内膜垫缺损-C型
D.完全型心内膜垫缺损-混合型
E.以上都不是
[多选题]下列哪些属于正压式消防氧气呼吸器的主要部件( )
A.稳压膜片与排气阀
B.冷却罐
C.清净罐
D.干冰
E.氧气瓶组合
[多项选择]维吾尔族是我国主要的少数民族之一,其重要节日有()。
A. 肉孜节
B. 古尔邦节
C. 开斋节
D. 宰牲节
[简答题]高压电气设备都应安装完善的防误操作闭锁装置。
[判断题]唯心史观的主要缺陷是缺乏对人们活动的思想动机背后物质动因和经济根源的考察。( )
A.正确
B.错误
[单选题]物资采购合同中应明确产品质量标准,必要时签订()
A.质量技术协议
B.标准协议
C.质量合同
D.质量条款
[单选题]已知EGFR敏感突变约占EGFR总突变类型比例多少:
A.0.6
B.0.7
C.0.8
D.90%
[单选题]依据《省住房和城乡建设厅关于改革和完善房屋建筑和市政基础设施工程招标投标制度的实施意见》(苏建规字(2017)1号文),资格预审活动中,属于招标人应当按照相关规定重新组建资格审查委员会进行评审的情况为()。
A.使用资格预审文件未规定的评审标准和方法且拒不改正的
B.应当回避担任资格审查委员会成员的人参与评审的
C.资格审查委员会的组建及人员组成不符合要求的
D.A、B、C均可
[单项选择]Have you ever suddenly felt that someone you know was in trouble-and he was Have you ever dreamed something that came true later Maybe you have ESP(超感官知觉).
ESP stands for Extra Sensory Perception. It may be called a sixth sense. It seems to let people know about events before they happen, or events that are happening some distance away.
Here is an example: A woman was doing washing. Suddenly she screamed. "My father is dead! I saw him sitting in the chair!’ Just then, a telegram came. The woman’s father had died of a heart attack. He died sitting in a chair.
There are thousands of stories like this on record. Scientists are studying them to find out what is behind these strange mental messages. Here’s another example--one of hundreds of dreams that have come true.
A man dreamed he was walking along a road when a horse and carriage came by. The driver said, "There’s room for one more." The man felt the driver was Death, so he ran away. The next day the man was gettin
A. avoid traffic accidents
B. judge the good and evil of a person
C. know about the events that are happening some distance away
D. sense a danger that will actually happen later on
[单选题]甲、乙结婚后购得房屋一套,仅以甲的名义进行了登记。后甲、乙感情不和,甲擅自将房屋以时价出售给不知情的丙,并办理了房屋所有权变更登记手续。对此,下列哪一选项是正确的
A.买卖合同有效,房屋所有权未转移
B.买卖合同无效,房屋所有权已转移
C.买卖合同有效,房屋所有权已转移
D.买卖合同无效,房屋所有权未转移
[单选题]设备、业务系统接入生产控制大区和( )应经电力监控系统归口管理单位(部门)批准。
A.安全I区
B.安全II区
C.安全Ⅲ区
D.安全IV区
[单选题]采用巡检设备与人工巡查相结合的方式对钢轨外观进行检查。对正线钢轨现场焊接焊缝表面质量及平直度,每年检查不少于( )遍;对低塌达到轻伤的焊接接头,每季度检查不少于( )遍。
A.1;1
B.1;2
C.2;1
D.2;2
[多项选择]吴民的购买行为是否有效( )
A. 有效
B. 无效
C. 赵不追认该行为,吴民要自己承担相应的责任
D. 有效,吴民是为赵海的利益
[单选题]应付压力引起的情感变化首先是( )
A.自我评估压力来源
B.精神发泄,以示防卫
C.承认事实,自我放松
D.听天由命,顺其自然
E.与亲人交谈,取得支持
[单选题]在村镇居民居住区,普速铁路线路安全保护区的范围,从铁路线路路堤坡脚、路堑坡顶或者铁路桥梁外侧起向外的距离为()。
A.不少于8米
B.不少于10米
C.不少于12米
D.不少于15米
[判断题]《中华人民共和国中国人民银行法》规定,在宣传品、出版物或者其他商品上非法使用人民币图样的,中国人民银行应当责令改正,并销毁非法使用的人民币图样,没收违法所得,并处十万元以下罚款。
[单选题]水平井、斜井通井,当通井规下至45°拐弯处后,下放速度要小于()。
A. 0.2m/s
B. 0.3m/s
C. 0.4m/s
D. 0.5m/s
[单项选择]主要用于皮肤癣酋感染的药物
A. 他巴唑
B. 庆大霉素
C. 西咪替丁
D. 色甘酸钠
E. 灰黄霉素
[单项选择]
"We’re using the wrong word," says Sean Drysdale, a desperate doctor from a rural hospital at Hlabisa in northern KwaZulu-Natal. "This isn’t an epidemic, it’s a disaster. " A recent UNIEF report, which states that almost one-third of Swaziland’s 900,000 people are infected with HIV, the virus that causes AIDS, supports this diagnosis. HIV is spreading faster in southern Africa than anywhere else in the world.
But is anyone paying attention Despite the fact that most of the world’s 33.5 million HIV/AIDS cases are in sub-Saharan Africa—with an additional 4 million infected each year—the priorities at last week’s Organization of African Unity summit were conflict resolution and economies development. Yet the epidemic could have a greater effect on economic development—or, rather, the lack of it—than many politicians suspect.
While business leaders are more concerned about the 2K mi
A. Some measures must be taken to change the AIDS situation
B. All the countries must fight against AIDS problems to protect their economy
C. AIDS problems are not serious because they occur just in part of the world
D. The author is optimistic about the AIDS situation
[判断题]安全生产的“确认制”是确认 、确实、确信 的总称。( )
A.正确
B.错误
[单项选择]注册机关收到执业兽医师注册申请后需要在一定的时限(工作日)内完成对申请材料的审核,一般要求在()
A. 5日
B. 10日
C. 15日
D. 20日
E. 30日
[单选题] 水湿内停的舌苔表现是
A.腐苔
B.黄腻苔
C.积粉苔
D.光滑舌
E.水滑苔
[简答题]埋弧焊时电弧是在一层颗粒状的可焊化焊剂覆盖下燃烧,电弧不外露
[判断题]高处作业时,严禁向下抛掷物料、工具等,防止坠物伤人。
A.正确
B.错误
[单选题]某人民防空工程中有一需做防火分隔的部位无法采用防火墙进行防火分隔,采用了防火卷帘。需做防火分隔部位的宽度为24m,按规范要求,防火卷帘的宽度不应大于( )m。
A.10
B.15
C.20
D.8
[单项选择]关于结肠和直肠术前准备,叙述错误的是()。
A. 手术前5~7日进低渣饮食
B. 术前2日进全流食
C. 术前3天用抗生素
D. 术前1天服用泻药、灌肠
E. 术晨灌肠
[单选题]1 "室外燃气管道水压试验时,试验管段任何位置的管道环向应力不得大于管材标准屈服强度的( )。
A.85%
B.90%
C.95%
D.80%"
[简答题]道岔内钢轨折断断缝位于尖轨与基本轨、可动心轨与翼轨密贴段范围内,且不能加固时,应如何处理?
[判断题] ( )1 hm2(公顷)等于2市顷。
A.正确
B.错误