A:8
B:4
C:2
D:0
珊珊同学最近申请了一个电子信箱,其地址为FJSS@yahoo.Com.cn.对这个电子信箱,你得到什么信息?请你试着在某个网站申请一个免费电子信箱.
若a+b<0,ab>0,则P(-a,b)所在的象限为( )
Tom made_____ mistakes than Simon in the English test, but he made _________ mistakes than Lucy. Simon made_____ mistakes of the three.