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问题 选择题

最能直观的表示地势高低起伏的地图是（　　）

A．等高线地图

B．地形剖面图

C．分层设色地形图

D．平面示意图

答案

地形剖面图指沿地表某一直线方向上的垂直剖面图，以显示剖面线上断面地势起伏状况，能直观的表示地面的高低起伏和倾斜缓急．

故选：B．

单项选择题 案例分析题

患儿男性，2岁，因“常发呕吐，今起又作”来诊。患儿暮食朝吐，吐物清稀痰水，伴面色苍白，精神疲倦，四肢欠温，腹痛便溏，舌淡苔白，脉迟缓无力，指纹淡。

经过治疗患儿呕吐症状明显缓解，昨日起又发热、流涕、咳嗽。若发现患儿踡缩而卧、肤起鸡皮疙瘩、寒战抖动，鼻流清涕，其指纹颜色当为（）

A.鲜红

B.紫红

C.淡红

D.青紫

E.紫

F.青

G.淡紫
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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.

9（）

A.names

B.cookies

C.software

D.extensions
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