检查某超市在6月份某5天的日用电量,结果如下:300,310,295,305,290,根据以上数据,估计该超市六月份的总用电量为( )度。
9000
In just three years, the Net has gone from a playground for the local people to a vast communications and trading center where millions swap information or do deals around the world.
A.business
B.shopping
C.chatting
D.meeting
临床上常用的安灭菌(阿莫西林/克拉维酸钾)中,阿莫西林与克拉维酸钾的比例为()
A.1:1
B.2:1
C.4:1
D.5:1
E.7:1