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问题 单项选择题

女性患者，62岁，反复咳嗽、咳痰25年，查体：桶状胸，双肺叩诊过清音，肺下界下移，双肺可闻及湿啰音及哮鸣音，该患者的诊断最可能是

A．支气管扩张
B．支气管哮喘
C．肺癌
D．肺不张
E．慢性支气管炎并发肺气肿

答案

参考答案：E

填空题

用恰当的数量词填空。     

杯  碟  只  个  位  

一(     )牛奶    一(     )点心   三(     )小猫   

一(    )叔叔     一(     )小女孩
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单项选择题

Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an (66) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (67) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’ s address book ,previous emails, web pages (68) .
As administrators seek to block dangerous email attachments through the recognition of well- known (69) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to . bat and . cnd 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 (70) access to your network.

A．cracker

B．user

C．customer

D．client
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