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问题 单项选择题 B1型题

慢性阻塞性肺疾病痰浊阻肺证，治疗应首选的方剂是（）。

A.桑白皮汤

B.小青龙汤

C.涤痰汤、安宫牛黄丸或至宝丹

D.二陈汤合三子养亲汤

E.玉屏风散合六君子汤

答案

参考答案：D

单项选择题

Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (6) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (7) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (8) .

As administrators seek to block dangerous email attachments through the recognition of well-known (9) , 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 (10) access to your network.

10（）

A.cracker

B.user

C.customer

D.client
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多项选择题

经纬仪的使用操作包括（）

A.对中

B.整乎

C.对零

D.瞄准

E.读数
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