(1)∵抛物线过点B(3,0),点C(0,3),∴32+3b+c=0
下列性状属于相对性状的是
写出下面的百分数.
青春期是人一生最重要的生长发育时期,如图是人身体有关不同部位发育速度曲线图.
–I still want to drink something. May I have _____ cup of juice?
--Certainly. Here you are.