A.before
B.when
C.that
D.after
What are the advantages of electronic delivery of bill of lading____?
A.it reduces the cycle time for the forwarding and presentation of documents
B.it reduces the costs related to manual document preparation
C.it allows a buyer to take title to the goods once they have arrived at port
D.an easy-to use online bill of lading generator will save time and provide the documents instantly
在学生表STUD中,查询既不是信息系'IS'、数学系'MA',也不是计算机系'CS'的学生的姓名 (XM)和性别(XB)。SD为系名。实现该功能的正确SQL语句是()。
A.SELECT XM,XB FROM STUD WHERE SD IN ('IS','MA','CS');
B.SELECT XM,XB FROM STUD WHERE SDNOTIN ('IS','MA','CS');
C.SELECT XM,XB FROM STUD WHERE SD NOT ('IS','MA','CS');
D.SELECT XM,XB FROM STUD WHERE SD NOT IN (IS,MA,CS);
下列程序执行后的输出结果是______。#define MA(x) x*(x-1)main(){ int a=1,b=2; printf{"%d \n",MA(1+a+b));}
A.6
B.8
C.10
D.12
下列程序执行后的输出结果是() #define MA(x) x*(x-1) main() { int a=1,b=2; printf("%d\n",MA(1+a+b)); }
A.5
B.6
C.7
D.8
程控交换机的电压为负48V,在通话时,馈电电流在20mA~()mA之间。
A.50
B.100
C.150
D.200