热门试题:
[多选题]城市道路路面是层状体系，一般根据使用要求、受力情况和自然因素等作用程度不同，把整个路面结构自上而下分成（ ）三个构层。
A.面层
B.基层
C.垫层
D.底层
E.封层
[判断题]越出站界调车，一批作业尚未终了而回站等候放行列车再作业时，无须重新办理越出站界调车手续。
A.正确
B.错误
[填空题]P62、P62( )型棚车拉网钢板式通风口口板更换时,要改为百叶窗式口板,外窗板挖补、截换面积超过(D)时更换。
[判断题]生产安全事故的威胁和危害得到控制或者消除后,有关人民政府应当决定继续执行依照本条例和有关法律.法规采取的全部或者部分应急救援措施。( )
A.正确
B.错误
[单项选择]创新经济周期理论源于著名经济学家（）。
A. 萨缪尔森
B. 熊彼特
C. 马克思
D. 斯密
[单选题]运维人员（____）进行一次照明装置的检查维护。
A.两月
B.每季度
C.每月
D.半年
[判断题]“一体四翼”发展布局,清晰回答了“要干什么”和“要怎么干”两大关系公司高质量发展的关键问题。
A.正确
B.错误
[简答题]漩涡流量计在非满管的情况下还能正常进行测量吗？
[判断题]“三去一降一补”分别是去浪费、去库存、去杠杆、降成本、补短板。
A.正确
B.错误
[单选题]20世纪60年代，奖励旅游率先出现于（ ）
A.美国
B.德国
C.英国
D.法国
[判断题]营业线施工调试时借用使用中的设备作条件调试时一定要注意安全。
A.正确
B.错误
[单项选择]女性，24岁，经常低热、乏力，腹痛由左侧腹部或脐周开始，阵发性感到腹内窜动，有时可见到腹部有起伏的肿物时隐时现，同时可听到高调肠鸣音，嗳气或排气后腹痛可稍有缓解，最可能的诊断是（）
A. 溃疡性结肠炎
B. 节段性肠炎
C. 肠肿瘤
D. 肠结核
E. 麦克尔（Meckel）憩室炎
[单项选择]下列不属于卫生保健资源在卫生事业内部进行分配的要求（）
A. 应坚持治疗与预防相结合，以预防为主
B. 应坚持基础与应用相结合，以应用为主
C. 应坚持城市与农村相结合，以城市为主
D. 应坚持高技术与中、低技术相结合，以中、低技术为主
[单项选择]古埃及中，作为学术中心的学校是( )
A. 僧侣学校
B. 宫廷学校
C. 骑士学校
D. 文士学校
[判断题]变电站电能表、终端装拆及更换宜使用变电第一种工作票。
A.正确
B.错误
[不定项选择题]资料：Directions : There is 1 passage in this part. The passage is followed by some questions or unfinished statements. For each of them there are four choices , You should decide on the best choice.
Your face is the future of smartphone security. Apple made that clear last week when it unveiled the pricey iPhone X. Apple claims to have conquered many of the challenges that have prevented the widespread use offacial biometrics. But a number of computer-vision researchers say they are skeptical that a smartphone-based system like FaceID can account for things like variable lighting conditions or subtle changes in a person's appearance to create a secure-yet-practical way to unlock a phone a dozen or more times a day.
Apple’s new technology does sound promising. The company says FaceID creates a “precise depth map” of one’s visage by projecting more than 30,000 infrared dots against a person’s face, then using the phone’s infrared TrueDepth camera and high-power microchip to collect and analyze the results. Users are also asked to turn their head as they scan so the phone's machine-learning algorithm can measure the face from several angles and create a more detailed 3-D map of their features. Once the map is created and stored, the iPhone X uses infrared light to help FaceID scan a person’s face even in the dark. Meanwhile, machine-learning algorithms running on the phonekeep track of changes in a person's appearance—including glasses, facial hair and hats—so the smartphone’s accuracy improves over time.
Despite advances in facial recognition in recent years, it remains unclear whether FaceID will work in a variety of conditions while also keeping the iPhone X secure. Hackers, for example, quickly found a way to bypass the Samsung Galaxy S8's facial-recognition scanner when it was introduced in March: They tricked the device by simply showing it a photo of the user. FaceID’s use of 3-D facial maps could address that problem. But historically it has been a big challenge for such a system to recognize faces under different lighting conditions and from a variety of angles.
Apple showed off FaceID last week under relatively controlled conditions, says Arun Ross, a professor of computer science and engineering at Michigan State University. "Clearly the demo was very interesting," he says. "But at the same time some extraordinary claims were made." Apple' s Schiller said, for example, that the chance a random person' s face could unlock someone else' s iPhone X was one in a million——much more secure than TouchI
D. Ross says, however, that it is not clear how often FaceID fails to recognize its owner. When contacted, Apple declined to elaborate on Schiller' s comments.
“Like all biometrics, FaceID will have a problem with revocation,” says Vitaly Shmatikov, a computer science professor at Cornell Tech. “If a password is compromised, it can be changed—but a face cannot be changed.” Apple touts its ability to secure data on its iPhones, which do not share biometric information with the company’s servers. Still, Ross says, hackers always seem to find a way around even the tightest security.
Why does the author mention Vitaly Shmatikov saying "a face cannot be changed" ?
A.To infer that a person' s face is highly unlikely to change to another shape.
A.To illustrate that the image stored in the phone cannot be changed if FaceID is compromised.
B.To explain the revocation difficulty of FaceI
C.
D.To enhance the data security on iPhone since it do not share biometric information with servers.
[多项选择]
|
男，38岁，不慎摔倒后左手支撑地，手腕部肿胀，活动障碍，鼻烟窝部明显压痛。 |
手术后可能的并发症有
A. 关节强直
B. 关节僵硬
C. 骨折延迟愈合或不愈合
D. 损伤性骨化
E. 前臂旋转功能障碍 前臂缺血肌挛缩 感染
[判断题] 用指针式万用表检测电感质量好坏,应该选择万用表的电流档。
A.正确
B.错误
[判断题]湿磨机电机温度高，可能会造成湿磨机跳闸。( )
A.正确
B.错误
[多选题]随着审核活动的进行,岀现的任何变更审核计划的需求都应经评审,适当时,经( ) 批准。[2.分]
A.认证机构
B.审核委托方
C.受审核方
D.审核方案管理人员
[多选题]超范围闭锁式纵联距离保护中,设有远方起动发信措施,其作用的正确说法是(____)。
A. 提高内部短路故障时正确动作的可靠性
B. 防止区内故障时靠近故障点侧起动发信元件因故未动作带来的拒动
C. 便于通道试验检查
D. 防止防止区外故障时靠近故障点侧起动发信元件因故未动作带来的误动
[单选题]消防电话总机应能与消防电话分机进行( )清晰通话。(中)
A.单工
B.双工
C.半双工
D.全双工
[单项选择]下列不属于传统意义的耳饰有（）
A. 耳钉
B. 耳环
C. 耳钳
D. 耳麦
[单项选择]男，60岁，慢支肺气肿20年，冠心病史5年，呼吸困难加重2天，意识障碍1小时来诊。查体：浅昏迷，呼吸困难，口唇发绀，球结膜轻度水肿，血压170/110mmHg，双肺散在干啰音，中下部湿啰音，心率128次／分，节律不齐，肝略大，下肢水肿（±）。应采取下列哪项措施（）
A. 地西泮10mg肌内注射
B. 西地兰0.2mg静脉注射
C. 复查头CT或采取快速降颅压措施
D. 急查血电解质、肾功能、血气
E. 加用广谱、高效抗生素及降血压药
[单选题]早孕反应一般在下列妊娠哪一阶段出现
A.6周左右
B.10周左右
C.12周左右
D.8周左右
E.11周左右
[多选题]在政府采购活动中，采购人员是供应商的法定代表人的（）的，应当回避。
A.妻子
B.子女的配偶
C.丈夫的妹妹
D.舅舅的孙子
[多选题]动火作业时尽可能地把动火( )压缩到最低限度。
A.A.人员
B.B.材料
C.C.时间
D.D.范围
[单选题]《建设工程施工现场安全防护、场容卫生及消防保卫标准》规定,铺设在扣件式钢管脚手架作业层的脚手板应铺满、铺稳、铺实,离开施工墙面不宜大于( )。
A.200mm
B.220mm
C.250mm
D.300mm
[单选题]王某的行为应定性为：（单选）
A.公安机关办理治安案件，对与案件有关的需要作为证据的物品，可以扣押
B.对被侵害人或者善意第三人合法占有的财产，可以扣押，但应当予以标注
C.与案件无关的物品，不得扣押
D.对扣押的物品，应当会同在场见证人和被扣押物品持有人查点清楚，当场开列清单式二份，由调查人员.见证人和持有人签名或者盖章，一份交给持有人，另一份附卷备查
[单项选择]用已在钢直尺上取好尺寸的外卡钳去测量轴的外径时，要使两个测量面的联线（）轴的轴线。
A. 垂直
B. 平行
C. 交叉
D. 都不是
[单项选择]2000年版本的中国药典的书写方式是
A. 2000年《中国药典》
B. 《中国药典》(2000)
C. 《中国药典》(2000年)
D. 《中国药典》(2000年版)
E. 《中国药典》(2000年版本)
[判断题]小型离心泵主要用弹簧圈柱销联轴器。
A.正确
B.错误
[单项选择]（）的连接方式可以是菊花链或主干/支干连接
A. RS232
B. DH+
C. RS422
D. RS485
[多项选择]围油栏按浮沉特性一般分为（）。
A. 浮上式围油栏
B. 浮沉式围油栏
C. 沉底式围油栏
D. 沉下式围油栏
