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【单选题】
下列五个关系式: 10 其中不可能成立的关系式有( )
A.
1个
B.
2个
C.
3个
D.
4个
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举一反三
【单选题】下列测量中不属于电子测量的是( )
A.
用天平测量物体的质量
B.
用示波器测量信号的波形
C.
用数字温度计测量温度
D.
用万用表测量电阻的阻值
【单选题】下列选项中不属于电子测量的内容是( )
A.
电流的测量
B.
阻抗的品质因数的测量
C.
用水银温度计测量温度
D.
利用传感器将温度变为电量,通过测量该电量来测量温度
【单选题】In 1942, Columbus_______ on one of the Bahama Islands, but he mistook it for an island off India. [     ]
A.
lands
B.
landed
C.
has landed
D.
had landed
【单选题】My best friend said he would go shopping with me today. It's already nine o'clock, but he hasn't ______ yet. [     ]
A.
put up
B.
looked up
C.
made up
D.
shown up
【多选题】下列测量中属于不电子测量的是 ( )。
A.
用天平测量物体的质量
B.
用水银温度计测量温度
C.
用数字温度计测量温度
D.
用游标卡尺测量圆柱体的直径
【简答题】She mistook my oversight for a ______insult.
【简答题】Education from My Father My memories of my father are slim because he was so sick in the last years of his life. But there are 32 that I am often reminded of and which may have had some bearing on my ...
【单选题】电子测量是指对电子技术中各种电参量所进行测量。下列参量不属于能量参量的是 。
A.
电流
B.
电压
C.
电阻
【单选题】In 1942,Columbus_______ on the of the Bahama islands, but he mistook it for an island off India.
A.
lands
B.
landed
C.
has landed
D.
had landed
【单选题】下列选项中不属于电子测量的基本量的是( )
A.
电压
B.
电流
C.
周期
D.
电场强度
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