判断对错
半圆有无数条对称轴
More and more couples would rather ___ a second baby ____ their first child can feel less lonely.
已知a为实数,且a3+a2-a+2=0,则(a+1)2008+(a+1)2009+(a+1)2010的值是( )
-- big success the charity show was!
-- We collected a lot of school things.