热门试题:
[多选题]根据《电子商务法》 的规定,下列主体中,属于电子商 务经营者的有( )。
A.在某大型电商平台设立网店销售百货五金商品的王某
B.通过网络向餐饮经营者和消费者提供外卖平台服务的企业
C.在网上发布信息出租自住房屋的张某
D. 自建网站从事网络销售商品的公司
[单项选择]在气压制动系统中，气管堵塞或严重漏气，制动阀膜片或制动气室膜片破裂漏气，是造成制动（）的主要原因。
A. 不灵
B. 失效
C. 拖滞
D. 跑偏
[单选题]对于CATII, CATIII进近，不在要求的简令范围内的是：
A.任务分工和喊话
B.降级引导管理
C.机场的低能见度程序
D.EOSID
[单项选择]
The study showed that ectomorphs, who make up one in three of the population, usually have a small delicate shape, have a sweet tooth but hate bitter foods. Mesomorphs, who make up 20 percent of the population, usually have a muscular shape and prefer salty or bitter foods but dislike sweet foods. Half the British population are endomorphy with soft, rounded bodies, and they like most foods. The findings showed that for two in three people food preference was a physiological rather than a psychological choice.
Body shape expert Simon Bradshaw, who takes charge of this team, said: "It appears that simply by looking at an individual’s body shape we can make sure about their preferences." But Catherine Collins, of the British Dietetic Association said: "It is difficult to dictate whether our body shape dictates the food we like, or the food we like dictates body shape." It stands to reason people who prefer most types of foods will be fatter and peo
A. there are only three body shapes
B. the ectomorphs enjoy most food
C. Catherine Collins is an expert in body shape
D. People who enjoy most food have trouble in losing weight
[单项选择]Researchers at the University of California-Berkeley are challenging our long-held belief that humans are hard-wired to be selfish. Darwin’s theory of evolution by natural selection was misinterpreted by his male popularizers, the researchers say. Rather than "every man for himself", Darwin believed that humans are successful as a species precisely because of our nurturing, selfless and compassionate traits.
Why has it taken so long for Darwin’s central revelation to be properly interpreted "We’ve had too many men in social science," Berkeley psychology professor Dacher Keltner told me in an interview. "Female scientists acknowledge that ’fight or flight’ is part of human nature, but so is caring for people." This is no touchy-feely feminist theory. Hard science is showing how the human capacity to care is wired into our brains and nervous systems.
In my book Passages in Caregiving, I urge women who assume the whole responsibility for taking care of an elderly parent or chron
A. takes people’s time and put them at a disadvantage
B. is the nature of humans just like "fight or flight"
C. isn’t a human capacity connected with our brains
D. isn’t supported by males due to fierce competition
[多选题]可视化管理水平简单可以分为三个程度，分别是（ ）。
A.职工进入现场快速判断现场正常与否
B.任何人进入现场快速判断现场正常与否
C.任何人进入现场快速判断现场正常与否，并知道异常如何处理
D.现场硬件设施水平越高，可视化管理水平越高
E.可视化管理水平与标识多少成正比
[判断题]砂浆和砖用滑轮起吊时，不得碰撞脚手架，吊到位置后，应用铁钩向里拉至操作平台，不得直接用手拉拽吊绳。（ ）
A.正确
B.错误
[单项选择]在黄曲霉毒素B1、B2、G1、G2中，毒性最大的是（）。
A. 黄曲霉毒素B1
B. 黄曲霉毒素B2
C. 黄曲霉毒素G1
D. 黄曲霉毒素G2
[判断题]PLC 通信模块出现故障不影响程序正常运行。（ ）
A.正确
B.错误
[判断题]办理电话闭塞时，列车到达，应发出电话记录号码。
A.正确
B.错误
[单选题]HXD1电力机车进入机械室的空气,都经过( )级除尘。
A.一
B.两
C. 三
[单项选择]肌肉痉挛俗称抽筋，是肌肉不由自主的强直收缩，在体育运动中，（ ）最容易发生肌肉痉挛
A. 腚股二头肌
B. 定底屈趾肌
C. 小腿腓肠肌
D. 足底屈拇肌
[填空题]If you are a manager,you should handle the customers’complaints in a______(friend)way.
[单选题]1.34 以欺骗、贿赂等不正当手段取得驾驶许可的，收缴机动车驾驶证，撤销机动车驾驶许可，申请人_____年内不得申请机动车驾驶证。
A.1年
B.2年
C.3年
D.5年
[单选题]工作期间，工作票应始终保留在（ ）手中。
A.工作票签发人
B.工作负责人
C.工作许可人
D.专责监护人
[单选题]1.77 自2019年____月____日起，注册登记6年以内的摩托车免予到检验机构检验，需要定期检验时，机动车所有人可以直接到公安交管部门申领检验标志。
A.1月1日
B.6月1日
C.9月1日
D.10月1日
[判断题]连通采空区的各类钻孔，可以不进行封堵。
A.正确
B.错误
[单选题] 近代中国社会的两大历史任务是( )
①、废除封建剥削制度②、实现国家富强、人民富裕
③、推翻三座大山④、争取民族独立、人民解放
⑤、推翻帝国主义在中国的统治
A. ②③④
B. ②④
C. ①③④
D. ③④⑤
[单项选择]卫气营血证传变中的逆传是指
A. 发病之初无卫分证，而径见气分证或营分证
B. 邪入卫分后，不经过气分阶段而直接深入营、血分
C. 病变从卫分开始，依次传人气分、营分、血分
D. 卫分证未罢，又兼气分证
E. 气分证尚存，又出现营分证或血分证
[单选题]扁顶法扁顶应由（ ）厚的合金钢板焊接而成
A.4mm
B.3mm
C.2mm
D.1mm
[单选题] 网络故障诊断命令ping是用于确定本地主机是否能与另一台主机交换数据报的程序,如果ping网关正确而ping远程主机IP无应答,则表明用户当前所在网络______。
A. 局域网内部正常,局域网不能与Internet正确连接
B. 用户计算机网络配置出错
C. 用户计算机网络硬件故障
D. 用户设定的DNS服务器出错
[单项选择]T2*值（）
A. 短于T2
B. 等于T2
C. 长于T2
D. 等于T1
E. 长于T1
[单项选择]Man has a big brain. He can think, learn and speak. Scientists used to think that man is different from animals because he thinks and learns. They know now that animals---dogs, rats and birds---can learn. So scientists are beginning to understand that men are different from animals because they can speak. Animals cannot speak. They make noises when they are afraid, or hungry, or unhappy. Apes (类人猿) are our nearest cousins. They can understand some things more quickly than human beings, and one or two have learned a few words. But they are still different from us. They can never think about the past or the future. Language is a wonderful thing. Man has been able to develop civilization because he has language. Every child can speak his own language very well when he is four or five--but no animal learns to speak. How do children learn Scientists do not really know. What happens when we speak Scientists do not really know. They only know that man can speak because he has a big brain.
A. why animals can learn
B. why man is different from animals
C. why animals cannot speak
D. why man has a big brain
[多项选择]下述关于上下颌磨牙的区别正确的是
A. 下颌磨牙牙冠呈长方形
B. 下颌磨牙近远中径大于颊舌径
C. 下颌磨牙牙冠轴面较平
D. 下颌磨牙舌尖锐而颊尖钝
E. 下颌磨牙颊尖锐而舌尖钝
[判断题] 辛亥革命的政治任务就是推翻清朝政府,结束君主专制制度,本身不具有反对帝国主义性质。 [判断题] *
A.正确
B.错误
[单项选择]类风湿关节炎采用电热手套治疗时，手套温度可达（）.
A. 30℃
B. 35℃
C. 40℃
D. 45℃
E. 50℃
[多选题]消防员接警出动登车有哪些安全要求？（ ）
A.通过楼梯进入车库时，应控制跑动速度，不得越级跨跳，不得顺扶手下滑，不得推搡，不得在跑动中着装，转弯时要减速；使用滑杆时应采用正确的动作姿势，控制速度，依次下滑
B.消防员必须按照指定位置乘车，严禁在车外、车顶搭乘，严禁在车辆起步后追赶登车
C.器材箱及车门未关牢出车
D.车库门口紧邻市政道路的，应安排人员警戒或启动警示设备，提示过往车辆和行人注意避让
[判断题]接地线应使用专用的线夹固定在导体上，可以用缠绕的方法进行接地或短路。
A.正确
B.错误
[单选题]以下所列的安全责任中，（）是动火工作负责人的一项安全责任。
A.负责动火现场配备必要的、足够的消防设施
B.工作的安全性
C.C向有关人员布置动火工作，交待防火安全措施和进行安全教育
D.工作票所列安全措施是否正确完备，是否符合现场条件
E./
F./
[判断题]《铁路常旅客服务办法》（铁总客2017-306号）规定：积分兑换的车票因票面没有票价，不可以办理挂失业务。
A.正确
B.错误
[单选题]我们把提供电流的装置，例如电池之类统称为()。
A.电源；
B.电动势；
C.发电机；
D.电能
[判断题]某外商投资企业的投资者分期出资，注册资本为200万美元，自营业执照核发之日起两年内，应将资本全部缴齐。 ( )
