考点导航
[ 所有信息 ][ 单选题 ] 列表
  • 当负反馈深度较大时,放大电路的闭环放大倍数几乎只决定于( )
  • 对集成运算放大电路组成部分描述正确的是
  • 欲使电流信号转换成与之成比例的电压信号,应在放大电路中引入( )
  • 用额定电压为220V的两只灯泡串联,一只为100W,另一只为40W,串联后加380V的电压,则( )
  • 某电动机型号为Y-112M-8,则其磁极对数为( )
  • Jim is _____ at his maths. And I’m sure he’ll do very _____ in the next question.
  • _____ my brother _____ sister are doctors.
  • You have _____ big supper every day.Maybe that’s why you put on weight.
  • After finishing the final examination, I did nothing _____ at home.
  • — Will you be available on Saturday or Sunday? — I am afraid _____ day is possible.
  • We came up a _____ at last and went in.
  • 轴肩与轴环的作用是( )。
  • 测绘某标准直齿圆柱齿轮的数据为:齿数z=36,齿顶园直径da=379.64。该齿轮的模数为( )。
  • 常用( )材料制造键。
  • 在三视图中,左视图反映物体的( )。
  • _____ James _____ Susan learns Chinese well, so they are sent to China for further study.
  • You should work harder, _____ you will fail in the final exam.
  • My English is poor, so I can't express _____ in English.
  • _____ quiet the park is!
  • Mary was very _____ at the news, so she looked _____ an her husband, her eyes full of sadness.