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  • —I think you should eat less and exercise more if you want to lose weight.
    —____
  • The old man prefers to live _____ the climate is mild.
  • A new park. _____ nearby to improve the people's living condition in the future.
  • — Must I finish reading the book today, Mr. Brown? — No, you _____. You can finish it in two days.
  • “Reading Pavilion”, which entered Luhe Library this spring, has madeit _____ for the citizensto experience the pleasure of reading than before.!
  • — Would you like some _____ ? — Thank you, but Iam not hungry.
  • He served in the army in _____ , when he was in his twenties.
  • I will go with you as soon as I _____ my homework.
  • 下列关于C语言说法中错误的是( )。
  • 三相异步电动机反接制动时,采用对称制电阻接法,可以在限制制动转矩的同时,也限制了( )。
  • 所谓同步转速,即( )。
  • 基本RS触发器在触发脉冲消失后,其输出状态( )。
  • 三相四线制电源中,线电压是指( )。
  • 某同学测得放大电路中9013三极管VB=1.7V.VC=6V,VE=0由此他判定该管( )。
  • 下列关于正弦量之间的相位关系的说法中正确的是( )。
  • 一个实际电源的电动势随着负载电流的减小将( )。
  • 下列四种情况下,不能安装保验丝的是( )。
  • 在R、L、C串联电路中,已知总电压U=220V,R=XL=XC则UR为( )。
  • P型半导体的多数载流子是( )。
  • 一只“220V、100W”的灯泡工作电阻为484Ω,拿同样一只灯泡测量它不工作时的电阻应( )。