【简答题】One cold night, I was growing sick of my life in San Francisco.There I was walking home around one o’clock in the morning after a 1 practice at the theatre. With the opening night only a week away, I ...
【判断题】高层管理人员花在计划决策方面的时间相对更多一些
【多选题】整定串级控制系统主、副调节器的参数方法有哪些?()
A.
主、副过程的时间常数相差不大,主、副回路的动态联系比较密切的情况,采用逐步逼近整定法
B.
当主、副过程时间常数相差较大时,可采用两步整定法
C.
先根据副过程的特性或经验确定副调节器的参数,然后再按单回路控制系统的整定方法一步完成主调节器的参数整定
D.
直接按单回路控制系统的整定方法整定调节器的参数
【单选题】下面程序如果只有一个错误,那么是(每行程序前面的数字表示行号)__ 1 main() 2 { 3 float a[3]={3*0}; 4 int i; 5 for(i=0;i<3;i++) scanf(“%d”,&a[i]); 6 for(i=1;i<3;i++) a[0]=a[0]+a[i]; 7 printf(“%d\n”,a[0]); 8 }
【简答题】One cold night,I was growing sick of my life in San Francisco. There I was walking home around one o’clock in the morning after a 26 practice at the theatre. With the opening night only a week away, I...
【单选题】下面程序如果只有一个错误,那么是(每行程序前面的数字表示行号) 。 1 main() 2 { 3 float a[3]={3*0}; 4 int i; 5 for(i=0;i<3;i++)scanf(“%f”,&a[i]); 6 for(i=1;i<3;i++)a[0]=a[0]+a[i]; 7 printf(“%d\n”,a[0]); 8 }
【判断题】高层管理人员花在计划决策方面的时间相对更多一些
【多选题】Government grants should normally be accounted on accruals basis. Which of the following grants received would you not account rather on a receipts basis?
A.
A.received in the form of land for a business to re-locate to a deprived area.
B.
B.received to enhance the literacy and communicational ability of staff
C.
received by a charity to operate one of its identified activities
D.
received to make good past losses to keep the business from closure
【简答题】已知z 1 ,z 2 ∈C且|z 1 |=4,|z 1 -z 2 |=5,|z 1 +z 2 |=5,则|z 2 |=______.
【单选题】某半导体器件的型号为KK200-9,其中KK 表示该器件的名称为( )