对建筑物进行沉降观测，判定沉降是否进入稳定阶段时，应由沉降量与时间的关系曲线判定。下

将n molCu₂S的与足量的稀硝酸反应，生成硝酸铜、硫酸、一氧化氮和水，则参加反应的硝酸中被还原的硝酸的物质的量是

A．4n mol

B．10n mol

C．10n/3 mol

D．2n/3 mol

下列哪项是碘化物引起的不良反应（）

A.粒细胞缺乏

B.诱发胃溃疡

C.诱发神经失常

D.诱发甲状腺功能紊乱

E.诱发肾上腺功能紊乱

Spyware and other forms of malware are the biggest online threat to your computer’s (71) nowadays. There malicious (72) which get to your PC through freeware, shareware, commercial sites, deceptive pop-ups or in any other way, can record your surfing habits and sites you visit, share your personal information with their partners. Any personal (73) , when in wrong hands, can leave you a victim of an "identity theft" by steeling your credit (74) details, birth records and other (75) information.

A．reputation

B．password

C．address

D．card

脑器质性及躯体疾病所致精神障碍与精神分裂症的鉴别要点在于前者（）

A.当意识障碍减轻时，病人与环境接触良好，情感反应保存

B.常有意识障碍，幻觉以幻听多见，症状常有昼重夜轻的波动性

C.精神症状持续的时间相对较短，一般没有精神分裂症的特征性症状

D.病程经过与躯体疾病相消长

E.常有原发疾病的相关临床及实验室证据

跨局旅游列车的车次范围是（）次。

A.Y1～Y098

B.Y1～Y198

C.Y1～Y298

D.Y1～Y498