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【多选题】
对改装的多量程电压表进行校准,并绘制校准曲线,如下说法正确的是( )
A.
校准曲线需要画成折线
B.
校准曲线的横坐标是改装表,纵坐标是标准表
C.
需要对扩展后电压表的多个量程进行校准
D.
校准曲线不经过原点
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参考答案:
举一反三
【判断题】甚高频全向信标是一种工作在UHF频段的设备。( )
A.
正确
B.
错误
【单选题】对半月板损伤诊断有意义的体格检查法是
A.
研磨试验
B.
抽屉试验
C.
浮髌试验
D.
侧向试验
E.
直腿抬高试验
【单选题】妊娠期血容量达高峰的孕周是
A.
8~10周
B.
12~16周
C.
16~20周
D.
24~28周
E.
32~34周
【判断题】钱塘江潮被誉为“天下第一潮”
A.
正确
B.
错误
【单选题】With more andmore forests______ ,some animals and plants are facing the danger of dying out. damaged
A.
damaged
B.
being damaged
C.
to be
D.
damaging
【简答题】1) The construction of buildings and roads in the Yangtze basin is increasing at a staggering pace.2) The basin is now home to 400 million people With the average household in China consisting of fewe...
【单选题】妊娠期血容量达高峰的孕周是
A.
8~10周
B.
12~16周
C.
18~20周
D.
24~28周
E.
32~34周
【简答题】In a world with limited land, water and other natural resources ( 资源 ), the harm from the traditional business model is on the rise. Actually, the past decade has seen more and more forests disappeari...
【单选题】范例6 In a world with limited land, water and other natural resources, the harm from the traditional business model is on the rise. Actually, the past decade has seen more and more forests disappearing ...
A.
B.
C.
D.
D
【单选题】某机关单位的职工工资水平今年比去年提高了5%,职工人数增加了2%,则该机关单位的工 资 总额增长了
A.
10%
B.
7.1%
C.
7%
D.
11%
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