男,51岁,反复上腹痛1年。查血红蛋白68g/L,内因子抗体(+),胃镜:胃体黏膜颗粒样改变,黏膜血管显露。该病人最可能的诊断是()
A. 消化性溃疡伴出血
B. 慢性浅表性胃炎
C. 自身免疫性胃炎
D. 胃淋巴瘤
E. 胃癌
查看答案
To compete in today's fast-paced competitive environment, organizations are increasingly allowing contractors, partners, visitors and guests to access their internal enterprise networks.These users may connect to the network through wired ports in conference rooms or offices, or via wireless access points. In allowing this open access for third parties, LANs become(6) .Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to(7)activity. For many organizations, however,the operational complexity and costs to ensure safe third party network access have been prohibitive. Fifty-two percent of surveyed CISOs state that they currently use a moat and castle's security approach, and admit that defenses inside the perimeter are weak. Threats from internal users are also increasingly a cause for security concerns. Employees with malicious intent can launch (8) of service attacks or steal (9) information by snooping the network. As they access the corporate network, mobile and remote users inadvertently can infect the network with (10) and worms acquired from unprotected public networks. Hackers masquer-ading as internal users can take advantage of weak internal security to gain access to confidential information.空白处(6)应选择()
A. damageable
B. susceptible
C. wlnerable
D. changeable
首先提出"疳皆脾胃病"的是:()
A. 孙思邈
B. 钱乙
C. 阎孝忠
D. 万全
E. 陈文中