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【单选题】
随着Internet的飞速发展,其提供的服务越来越多。在下列有关Internet服务及相关协议的叙述中,错误的是( )。A.
远程登录也是Internet提供的服务之一,他采用的协议称为Telnet
B.
WWW是目前Internet上使用最广泛的一种服务,常使用的协议时HTTP
C.
文件传输协议(FTP)主要用于在Internet上浏览网页时控制网页的传输
D.
电子邮件是Internet最早的服务之一,主要使用SMTP/PO3协议
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【单选题】区别溶胶和大分子溶液，最简单的方法是：
A.
观察能否发生布朗运动
B.
观察丁铎尔效应的强弱
C.
观察体系是否均匀，有无界面
D.
观察颗粒大小是否是 1~100nm
【单选题】患者,男性,40岁。近2年常有上腹部隐痛,晚餐后突发上腹部刀割样疼痛,迅速遍及全腹,来院急诊。查体:痛苦面容,腹肌紧张呈板状腹,肠鸣音消失。实验室检查血清淀粉酶值正常。此患者最有可能发生了( )
A.
急性阑尾炎
B.
急性胰腺炎
C.
溃疡并发出血
D.
溃疡病穿孔
E.
肠梗阻
【单选题】What do the studies say about music and violence?
A.
They say diffrent things about the connection between music and violence.
B.
They say there is a casual relationship between music and violence.
C.
c. They say there is not a connection between music and violence.
D.
They say it is impossible to understand the connection between music and violence.
【单选题】What do the studies find about the recommendation letters for women applicants?
A.
They are hardly ever supported by concrete examples.
B.
They contain nothing that distinguishes the applicants.
C.
They provide objective information without exaggeration.
D.
They are often filled with praise for exceptional applicants.
【单选题】What do the studies find about the recommendation letters for women applicants?
A.
They are hardly ever supported by concrete examples.
B.
They contain nothing that distinguishes the applicants.
C.
They provide objective information without exaggeration.
D.
They are often filled with praise for exceptional applicants.
【单选题】患者,男性, 40岁。近2年常有上腹部隐痛,晚餐后突发上腹部刀割样疼痛,迅速遍及全腹,来院急诊。查体:痛苦面容,腹肌紧张呈板状腹,肠鸣音消失。实验室检查血清淀粉酶值正常。此患者最有可能发生了( )
A.
急性阑尾炎
B.
急性胰腺炎
C.
溃疡并发出血
D.
溃疡病穿孔
E.
肠梗阻
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