WebSQL is a SQL-like (71) language for extracting information from the web. Its capabilities for performing navigation of web (72) make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a (73) , all the pages that can be reached from a given URL through (74) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (75) Interface.
A. browsers
B. servers
C. hypertexts
D. clients
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关于妊娠合并梅毒下列哪项叙述是错误的:
A. 早期表现为皮肤损害,晚期能侵犯心血管等重要脏器
B. 早期梅毒的孕妇可通过胎盘传给胎儿
C. 梅毒病原体不会在胎儿内脏和组织中繁殖
D. 妊娠合并梅毒引起死胎、早产与胎盘病变有关
E. 非梅毒螺旋体抗原血清试验是梅毒常规筛查方法
妊娠8周,出现急性心力衰竭,最好的治疗方法为
A. 先终止妊娠,再控制心力衰竭
B. 控制心力衰竭后,继续妊娠
C. 控制心力衰竭后,吸宫
D. 控制心力衰竭的同时终止妊娠
E. 以上都不妥当
妊娠合并肺结核的产科处理哪项错误:
A. 妊娠合并活动性肺结核者应在预产期前1~2周住院待产
B. 妊娠合并肺结核者分娩方式均以剖宫产为宜
C. 合并肺结核者行剖宫产时应选硬膜外麻醉
D. 分娩时应尽量避免屏气用力
E. 可适当助产以缩短第二产程
Virtual reality (or VR (1) ) is kind of a buzzword these days in computer graphics.VR is artificial reality created by a computer that is so enveloping that it is perceived by the mind as being truly real.VR exists in many (2) .A traditional view of virtual reality uses headsets and data gloves.The headset serves as the eyes and ears to your virtual world,projecting sights and sounds generated by the computer.The data glove becomes your hand,enabling you to interact with this (3) world.As you move your head around,the computer will track your motion and display the right image.VR is the most demanding (4) for computer graphics,requiring hardware and software capable of supporting realtime 3D (5) .
App
B. apply
C. application
D. appliance