铀核可以发生衰变和裂变,铀核的()
A:衰变和裂变都能自发发生
B:衰变和裂变都不能自发发生
C:衰变能自发发生而裂变不能自发发生
D:衰变不能自发发生而裂变能自发发生
下列结构中,植物细胞和动物细胞都具有的结构是( )
Mr. and Mrs. Brown would like to see their daughter _____, get married, and have kids.
65482-9376=____