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【单选题】
Approximately what percent of all world production of goods and services is exported to other countries?A.
10%
B.
30%
C.
50%
D.
90%
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【单选题】The odds that a certain event will occur is the ratio of the probability that the event will occur to the probability that it will not occur. If the odds that Pat will win a prize are 4 to 3, what is ...
A.
1/4
B.
1/3
C.
3/7
D.
4/7
E.
1/7
【单选题】关于社会信息系统的双重偶然性，表述错误的一项是（）
A.
双重偶然性是德国社会学家库利提出的概念
B.
双重偶然性是人类社会信息系统所特有的属性
C.
双重偶然性指传播双方存在不确定性，通过传播作出的选择有受到拒绝的可能
D.
双重偶然性如果处理不当会引起传播障碍和传播隔阂
【单选题】下列不是动态路由的特点的是
A.
适用于网络规模大、网络拓扑复杂的网络
B.
系统自动生成并更新维护
C.
简单、高效、可靠、优先级最高
D.
不同程度地占用网络带宽和CPU资源
【简答题】'I wondered if I could have a word with you.' The paet tense used in the sentence refers to a ___. Apast for exact time reference Bpresent for tentativness Cpresent for unsertainty D...
【单选题】What is a precipitating event?
A.
It can be a crisis or an event that was traumatic for the patient.
B.
It is an exciting event for the patient.
C.
It means the patient is lying
D.
It is a good event in the patient’s life.
【单选题】Event studies attempt to determine
A.
the influence of information released to the market on stock prices in days surrounding the information’s release
B.
if the market is at least weak form efficient.
C.
whether the market is semi strong or strong form efficient.
D.
the correlation between the returns on two diverse securities.
E.
the optimal time to release new information to the public.
【简答题】经济全球化是一把双刃剑，对发展中国家来说既是机遇也是挑战。 A正确 B错误
【简答题】为什么经济全球化是一把双刃剑?
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