—What about going to Shanghai Disneyland Park next month, Harry?
— ! We'll have a lot of fun there.
A:Good luck
B:Never mind
C:Sounds great
D:Certainly not
下列细胞中含染色体数目最多的是( )
人类受精的场所是( )
已知二次函数y=2 x2+9x+34,当自变量x取两个不同的值x1、x2时,函数值相等,则当自变量x取x1+x2时的函数值与( )
关于我国是世界资源大国的各种叙述,正确的是( )