There __________ a football match tomorrow.
A:is going to have
B:is going to has
C:is going to is
D:is going to be
把一个石块放入一个正方体容器里,容器里的水溢出6.28立方厘米,石块的体积是6.28立方厘米. .(判断对错)
设a,b为实数,若复数1+2ia+bi=1+i,则( )