【单选题】
BD005 电压表的内阻越大，量程越___；电流表的内阻越小，量程越( B )。
A. 小；小
B. 大；大
C. 小；大
D. 大；小
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答案
B
解析
暂无解析
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BD008 使用万用表测量晶体管或集成件时，不得使用___量程挡。
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D. R×100k、RX1000k
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BB024 在中性点不接地系统中发生单相接地故障时，流过故障线路始端的零序___。
A. 超前零序电压90
B. 滞后零序电压90
C. 与零序电压同相位
D. 与零序电压反相
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BB024 在小电流接地系统中发生单相接地故障时，因___，所以一般允许短时间运行。
A. 不破坏系统电压的对称
B. 接地电流较小，造不成危害
C. 相电压低，对系统不会造成危害
D. 无零序电压
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take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
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【填空题】
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Although he kept trying and failing, I always [ ] the belief that he would succeed one day.
【填空题】
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The tax only affects people with an annual income over $200,000-[ ], it will only attect the very rich.
【填空题】
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