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【单选题】
What changed children's need for formal schooling?A.
There was a new dependence on communication with people far away and the use of money.
B.
The alphabet and numerical system was introduced.
C.
The old methods of farming now required the use of complex machines.
D.
The global economy made mass electronic communication very common.
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【单选题】Many people believe _______ robots will do most of our housework in the future.
A.
that
B.
if
C.
why
D.
how
【简答题】Decision Simulation
【单选题】The author implies that whether or not a simulation is good enough will be mainly influenced by ______.
A.
the speed of a computer
B.
the cost of a computer
C.
the display of a computer
D.
both A and C
【简答题】液压传动有哪些主要优缺点?
【简答题】简述骨骼肌收缩机制
【简答题】完形填空 How soon will robots become so clever that they' will be able to do jobs which human can do, such as 2 language or looking after patients in hospital? Some 2 believe this will happen in twenty ye...
【简答题】与机械传动方式相比液压传动有哪些主要优缺点?
【单选题】We can infer from the text that 'computer literate' means______.
A.
being able to afford a computer
B.
being able to write computer programs
C.
working with the computer and finding out its value
D.
understanding the computer and knowing how to use it
【单选题】We can infer from the text that 'computer literal' means ______.
A.
being able to afford a computer
B.
being able to write computer programs
C.
working with the computer and finding out its value
D.
understanding the computer and knowing how to use it
【单选题】“任务栏”上放置了多个任务图标,表示( )
A.
同时有多个程序在运行
B.
曾经运行过的多个程序
C.
已有多个程序准备运行,可在其中选择一个
D.
这些图标所代表的多个程序相互之间不能随意替换
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