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问题 单项选择题

男性，18岁，着凉后出现发热，咳嗽，咳黄痰，未及时治疗，1d前出现高热，咳铁锈色痰。

该患者的热型为

A．稽留热

B．弛张热

C．间歇热

D．波状热

E．回归热

答案

参考答案：A

单项选择题

Melissa and LoveLetter made use of the trust that exists between friends or colleagues.Imagine receiving an （） from a friend who asks you to open it. This is what happens with Melissa and several other similar email （） . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages （） . As administrators seek to block dangerous email attachments through the recognition of well-known （） , 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 （） access to your network.

This is what happens with Melissa and several other similar email（）

A．virtual

B．virus

C．worms

D．bacteria
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填空题

线材轧后在高温下迅速穿水冷却，具有细化（），减少氧化铁皮并改善铁皮结构使其易于清除、改善拉拔性能等优点。答案：
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