The insurance is covered _____ 130% of the invoice value against All Risks()
A. on
B. in
C. for
D. against
Choose the correct forms of date writing in the business letter()
A. 2020/1/20
B. January 20, 2020
C. Jan. 20, 2020
D. 20 January 2020
for(int x=0,y=0;!x&&y<=5;y++)语句执行循环的次数是()
A. 0
B. 5
C. 6
D. 无限
下面程序的输出结果是:#includeusing namespace std;int main(){for(int i=-1;i<4;i++)cout<<(i?’0′:’‘);return 0;}
A. 00
B. 0000
C. 000
D. 0000