_________ worry. ( )
A:Not
B:Doesn't
C:Don't
“啤酒之都”所指的城市是
—No, it's not . It's .
读图,回答有关问题:
在数学表达式:①-3<0,②3x+5>0,③ x²-6,④x=-2,⑤y≠0,⑥ x+2≥x中,不等式的个数是( )