已知一组数据的平均数是x,众数是m,中位数是n,那么将每个数据加上3后得一组新数据,则这组新数据的众数为( ),中位数为( ),平均数为( )。
m+3,n+3,x+3
— Hello, Sandy. This is Jack. What are you doing?
— I'm watching a match. It started at 7 p.m. and _____ on for another half an hour. [ ]
A. has been
B. was
C. had been
D. will be
.It is well known that the Internet will let people have __________ to huge amounts of information from their own homes.
A.entrance
B.way
C.means
D.access