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【简答题】
两个与非门构成的基本 RS 触发器的功能有 、 和 。电路中不允许两个输入端同时为 ,否则将出现逻辑混乱。
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皮皮学刷刷变学霸
举一反三
【简答题】英译汉
英:item n. ,汉:______。
【简答题】涓生、子君是鲁迅小说《 》中的主人公。
【单选题】Where was the experiment carried out?
A.
In a crowded street.
B.
At crossroads.
C.
In a laboratory.
D.
At a police station.
【单选题】You'd better begin the preparations now and the most important thing is to check ______ the laboratory can be used for the tests. [ ]
A.
where
B.
when
C.
what
D.
that
【单选题】The courses aim to give graduates an up-to-date grasp of their subject and ______ laboratory skirls.
A.
superficial
B.
subjective
C.
structural
D.
sophisticated
【单选题】Cavendish LaboratoryThe Cavendish Laboratory has had an important influence on biology, mainly through the application of X-ray crystallography to the study of structures of biological molecules. Fran...
A.
Crick has no assistant in the Cavendish Laboratory.
B.
The first Watson/Crick paper appeared in Nature on 1953.
C.
Lawrence Bragg gave a talk about new DNA at Guy's Hospital Medical School.
D.
Dorothy Hodgkin was regarded as the most unselfish scientist by the public.
【简答题】A. wider B. rapidly C. satisfactory D. bigger E. objects F. genuinely G. have H. arises I. possess ...
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