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【单选题】
— ! I left my wallet in the desk and now it’s still here. —Lucky you! You should take good care of your things.A.
Well done
B.
Best wishes
C.
Thank goodness
D.
My pleasure
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举一反三
【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 ...
【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 }
A.
第3行有错误
B.
第7行有错误
C.
第5行有错误
D.
没有错误
【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 }
A.
第 3 行有错误
B.
第 7 行有错误
C.
第 5 行有错误
D.
没有错误
【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 |=______．
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