判断对错。
Li Ming
Liu Wei
8:00 a.m.
eat breakfast
do morning exercises
10:00 a.m.
have sports
dancing
11:00 a.m.
go for a walk
clean room
5:00 p.m.
play football
go shopping
9:00 P.m.
watch TV
下列关于图的叙述,正确的是( )
如图所示,抛物线y=ax2+c(a>0)经过梯形ABCD的四个顶点,梯形的底AD在x轴上,其中A(﹣2,0),B(﹣1,﹣3).