可用于治疗老年痴呆的药物不包括（） A.多奈哌齐 B.石杉碱甲 C.加兰他敏 D.卡

近年，我国非典型分枝杆菌感染有增加趋势，以肺部感染最常见

对非典分枝杆菌涂片染色应首选（）

A.革兰染色

B.银染色

C.抗酸染色

D.Leifson染色

E.Albert染色

基础数据准确率抽查中，需要检查的项目包括（）。

A.经纬度

B.方位角

C.塔桅类型

D.共天馈情况

E.是否存在阻挡

2008年“世界环境日”的主题是“转变传统观念，推行低碳经济”。低碳经济是以低能耗、低污染、低排放为基础的经济模式，是清洁能源开发、能源高效利用、追求绿色GDP的人类生存发展的新观念。据此回答1～3题。

1．推行“低碳经济”的目的，符合可持续发展的[ ]

A．公平性原则

B．持续性原则

C．统一性原则

D．共同性原则

2．当前世界各国普遍关注的，由大量消耗矿物燃料所带来的环境问题是[ ]

A．沙漠面积扩大

B．海洋污染加剧

C．生物种类减少

D．全球气候变暖

3．推行“低碳经济”发展模式，促进可持续发展的市场行为是[ ]

A．政府的政策和规划

B．普及环境保护知识

C．大力推进清洁生产

D．选用环保标志产品

Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (16) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (17) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (18) .

A. virtual B. virus C. wormsD. bacteria

As administrators seek to block dangerous email attachments through the recognition of well-known (19) , 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 (20) access to your network.

《内蒙古农村信用社金牛借记卡业务操作规程》规定，POS预授权交易只控制持卡人的可用余额的额度，由预授权完成交易来完成资金结算。一个被批准的预授权交易，仅在（）天内有效。

A、7

B、15

C、20

D、30