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【判断题】
实验室中常用的数字万用表大多采用均值检波,其读数为被测信号的均值。A.
正确
B.
错误
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【单选题】All Sue Rodriguez wanted was to die with dignity and within the law, but it turned out that she could not do both. Last week the British Columbian woman, totally disabled by amyotrophic lateral sclero...
A.
resulted in the immediate abolition of the 1892 law
B.
created an uproar in Canada
C.
made him invulnerable to legal action
D.
attracted little attention in Canada
【单选题】用0.1098mol/L的NaOH溶液分别滴定HCl和HAc溶液各25.00mL反应时,均消耗掉24.65mL的NaOH溶液,这说明( )
A.
HCl和HAc溶液中，H+浓度相等
B.
HCl和HAc溶液中，酸度相等
C.
HCl和HAc溶液的物质的量浓度相等
D.
HCl和HAc溶液中pH值相等
【简答题】Case2 If Sam is always late for their negotiation meetings, Mary, who is fastidiously on time, may interpret this pattern as a lack of respect. Sam, on the other hand, may be late because he has to tr...
【单选题】_______is often the case with a new idea, much preliminary activity and optimistic discussion produced no concrete proposals.
A.
Tha t
B.
It
C.
This
D.
As
【简答题】感染艾滋病病毒(HIV)的孕妇引起胎儿感染，这是经
【单选题】Things, ______is often the case, will turn out to be against one's wishes. [ ]
A.
what
B.
as
C.
it
D.
that
【单选题】Don’t let the child play with scissors________ he cuts himself.
A.
in case
B.
so that
C.
now that
D.
only if
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