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【多选题】
“无论历史的结局如何,人们总是通过每一个人追求他自己的、自觉预期的目的来创造他们的历史,而这许多按不同方向活动的愿望及其对外部世界的各种各样作用的合力,就是历史。”这段话说明A.
社会历史就其整体而言，是是一定的群体（集体、阶级、民族及至全人类）的认识活动和实践活动及其产物的演进过程
B.
无数个人意志创造社会历史
C.
社会历史发展具有客观必然性
D.
人们自己创造自己的历史
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【简答题】For this part, you are allowed 30 minutes to write a composition on the topic: Will Computers Replace Teachers in the Future? You should write no less than 120 words and base your composition on the o...
【单选题】以下哪个检索式或检索词可以在常用的外文数据库中一步检索以comput开头的所有检索词?
A.
computer or computing
B.
comput*
C.
comput?
D.
computer or computing or computation
【单选题】139 The initial cost of a product and the product's operation and maintenance costs _____ .
A.
increases perceived value when balanced.
B.
are incidental to each other because initial costs are 'sunk'
C.
decreases design costs as operation periods increase
D.
provides perceived function value and product social dysfunction
E.
are integrally related with each other because initial costs are 'sunk'
【单选题】57 The initial cost of a product and the product's operation and maintenance costs _____ .
A.
increases perceived value when balanced.
B.
are incidental to each other because initial costs are 'sunk'
C.
decreases design costs as operation periods increase
D.
provides perceived function value and product social dysfunction
E.
are integrally related with each other because initial costs are 'sunk'
【简答题】A.C.Yao.于1982 年在《Protocols for secure comput-actions》首先提出()问题----姚问题。
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