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【单选题】
已知20℃时水~空气的界面7.27×10 -2 N/m,当在20℃和100KPa下可逆地增加水的表面积4cm 2 ,则系统的ΔG为()。
A.
2.91×10 -5 J;
B.
2.91×10 -1 J;
C.
-2.91×10 -5 J;
D.
-2.91×10 -1 J。
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【判断题】在前厅推销过程中,前厅接待员的责任是引导客人,帮助客人进行选择,不要急于报价定价,以免引起客人反感。
A.
正确
B.
错误
【判断题】毒品的特征主要是成瘾性、戒毒难、危害大
A.
正确
B.
错误
【单选题】急性心肌损伤的理想生化标志物应具备的特点是( )。
A.
高度心脏特异性
B.
心肌损伤后血水平很快增高
C.
增高后持续较长时间
D.
其诊断价值已经临床证实
E.
以上都是
【单选题】What is the United States' strategy to fight all those organizations according to the author?
A.
To defeat them all one by one.
B.
To defeat the WHO first and the others will give up.
C.
To exclusively cut contributions to the WHO.
D.
To cut contributions to all the organizations.
【单选题】Organizations of all kinds now recognize the Internet as an effective means for ________ communication. [      ]
A.
natural
B.
global
C.
formal
D.
usual
【单选题】All the organizations involved have sent urgent ________ to government, asking for extra funding. [    ]
A.
appeals
B.
replies
C.
consultation
D.
contracts
【单选题】All the organizations concerned have made an urgent __________ to the government, asking for extra funding to help the earthquake victims. [     ]
A.
promise
B.
assessment
C.
appeal
D.
adjustment
【单选题】The passage mentioned all of the following organizations EXCEPT ______.
A.
the International Telegraph Union
B.
the Permanent Court of Arbitration
C.
the United Nations Security Council
D.
the International Labor Organization
【单选题】按照检测数据的对象可将入侵检测系统(IDS)分为( )。
A.
基于主机的IDS和基于网络的IDS
B.
基于主机的IDS和基于域控制器的IDS
C.
基于服务器的IDS和基于域控制器的IDS
D.
基于浏览器的IDS和基于网络的IDS
【单选题】急性心肌损伤的理想生化标志物应具备的特点是
A.
高度心脏特异性
B.
心肌损伤后血水平很快增高
C.
增高后持续较长时间
D.
以上都是
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