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问题 单项选择题

男性，10岁，病人有多饮、烦渴、多尿和夜尿显著等表现，检查：尿量较固定，5L／d左右，尿渗透压低，为160mOsm／kg·H2O。诊断为尿崩症，治疗药物可用（）

A.呋塞米

B.氢氯噻嗪

C.乙酰唑胺

D.氨苯蝶啶

E.甘露醇

答案

参考答案：B

单项选择题

Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an (26) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (27) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (28) .
As administrators seek to block dangerous email attachments through the recognition of well-known (29) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users.
Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (30) access to your network.

A．memory

B．caches

C．ports

D．registers
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单项选择题

男，49岁，因无力、纳差、腹胀20天诊断为肝炎后肝硬化（失代偿期）入院。肝功能试验显著异常，其中白蛋白降低，球蛋白增高，白蛋白／球蛋白比率倒置。为治疗低蛋白血症，首选的血液制品是（）。

A.全血

B.新鲜冰冻血浆

C.普通冰冻血浆

D.冷沉淀

E.白蛋白
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