【单选题】【消耗次数：1】
下列说法中，（ ）是正确的。
①
串谐时阻抗最小
②
并谐时阻抗最小
③
电路不谐振时阻抗最小
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相关题目
【单选题】
下列关于最小项的说法中，正确的有（）。
①
全体最小项相或的结果为0。
②
任意两个最小项相与的结果为0。
③
2n个最小项合并可以消除n个变量。
④
任意四个最小项一定可以合并，且消除两个变量。
随机题目
【单选题】
_____ is it_____ made Peter_____ he is today?
①
What; that; that
②
That; that; what
③
What; what; that
④
What; that; what
【单选题】
It was during summer breaks that we first taste the satisfaction work that ____ into hard currency.
①
translates
②
transfers
③
transplants
④
transmits
【单选题】
At her word she stood up and walked away, stopping at the window to pull back the curtain and ____.
①
look round
②
look out
③
look up
④
look on
【单选题】
The linguists’ main interest had been to____ and describe
languages.
①
analyze
②
express
③
command
④
comment
【单选题】
We should always keep in mind that ____ decisions often lead to bitter regrets.
①
hasty
②
instant
③
promp
④
rapid
【单选题】
While being questioned on the court, the man denied
____ the old lady’s necklace.
①
having taken
②
taking
③
to have taken
④
to take
【单选题】
She will have to find somewhere else to work, for she
can’t ____this loud noise any longer.
①
come up with
②
catch up with
③
keep up with
④
put up with
【单选题】
The ____ of AIDS has led to an expansion in research seeking a cure.
①
innovation
②
selection
③
proliferation
④
conviction