题目内容
（请给出正确答案）
[主观题]
A．its vacuum tubes.B．Its electronic circuits.C．Computer programs.D．All of the above.
A．its vacuum tubes.
B．Its electronic circuits.
C．Computer programs.
D．All of the above.
提问人：网友ylan000
发布时间：2022-01-06
题目内容
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更多“A．its vacuum tubes.B．Its elect…”相关的问题
第2题
It will operate other more specialized machines, for example, the vacuum cleaner machine.
第4题
A．Its texture.B．lts size.C．Its preservation.D．Its shape.
A．Its texture.
B．lts size.
C．Its preservation.
D．Its shape.
第7题
Harry vacuum cleaners work entirely by______.A．suffrageB．suctionC．suedeD．subtlety
Harry vacuum cleaners work entirely by______.
A．suffrage
B．suction
C．suede
D．subtlety
第9题
The author's assertions concerning the conditions that lead to the decay of the vacuum wou
ld be most weakened if which of the following occurred？
点击查看答案
A．Scientists created an electric field next to a vacuum, but found that the electric field was not intense enough to create a charged vacuum.
B．Scientists assembled a super heavy atomic nucleus next to a vacuum, but found that no virtual particles were created in the vacuum's region of space.
C．Scientists assembled a super heavy atomic nucleus next to a vacuum, but found that they could not then detect any real particles in the vacuum's region of space.
D．Scientists introduced a virtual electron and a virtual positron into a vacuum's region of space, but found that vacuum did not then fluctuate.
第10题
It is expected that there are 4 million robot vacuum cleaners and lawn mowers in ______ .A
It is expected that there are 4 million robot vacuum cleaners and lawn mowers in ______ .
A．2002
B．2003
C．2004
D．2005
