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【判断题】
触头温度升高,其接触电阻减小。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】关于串联谐振发生条件,下面说法正确的是()
A.
谐振发生条件取决于外加电源
B.
谐振发生条件取决于系统本身参数与连接关系
C.
系统发生频率与系统中的储能器件相关
D.
线性系统存在多个谐振点。
【单选题】The man showed us such a heavy stone ________ no one could lift it.
A.
that
B.
as
C.
which
D.
and
【单选题】Angyal described the case of a man with a domineering father who showed extreme swings of mood in relation to his son. At times, he was affectionate, played with the child, and told him interesting an...
A.
for the purpose of gaining public support.
B.
to overthrow the present government.
C.
to win election.
D.
to know public opinion.
【单选题】( ) 是指企业避开在目标市场上选择与竞争对手接近或相同的定位方式来确定自身的产品位置,在产品、服务、宣传、价格等方面展开针锋相对的竞争。
A.
对抗定位
B.
间接定位
C.
反向定位
D.
重新定位
【单选题】Angyal described the case of a man with a domineering father who showed extreme swings of mood in relation to his son. At times, he was affectionate, played with the child, and told him interesting an...
A.
kind
B.
patient
C.
impatient
D.
unstable
【单选题】The man showed us so heavy a stone _______ no man can lift.
A.
that
B.
as
C.
which
D.
And
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