【单选题】The factory has produced ten thousand color TV sets this year, as ______ eight thousand last year.
【单选题】It is reported that over _______ people visited Beijing on National Day. A. ten thousands B. thousands of C. thousand of D. ten thousand
【单选题】There are over _____ books in our school library. [ ]
【单选题】What is the cost of undergraduate tuition?
A.
Twenty thousand dollars.
B.
Thirty thousand dollars.
C.
Twenty-seven thousand dollars.
D.
Thirty-eight thousand dollars.
【判断题】更换完成曲轴位置传感器时,应进行功能检查
【简答题】已知系统的传递函数为 , 给出系统的零、极点图,并判定系统的稳定性。
【单选题】直流电动机的电枢(转子)的作用是( )。