圆(x+2)2+y2=5关于y轴对称的圆的方程为( )
A:x2+y+22=5
B:x2+y-22=5
C:x-22+y2=5
D:x-22+y-22=5
Come and see the India elephants and the new tigers from Amercia. The bears are waiting to meet you, and the monkeys from China are waiting to throw things to you. The lovely dogs from Australia are waiting to laugh at you. The giraffes from Brazil are waiting to look down on(俯瞰)you.
Tickets Open time
Children :over 12 $1.00 Except(除)Friday
Under12 Free 10:00a.m—3:00p.m
Grown-up:(成人)$2.00 9:00a.m—4:00p.m
Keep the zoo clean!
Don't touch , give good food or go near the animals!
故意给人取不雅的绰号,不分场合随意喊别人的绰号,其实质是( )①取笑别人 ②不尊重人的表现③同学之间关系亲密 ④侵犯别人的人格尊严
有两张一样长的纸条粘贴起来,成为长30厘米的纸条,粘贴部分长10厘米,求这两张纸条各长几厘米?( )