在______÷4=9…3中,被除数是______.
4×9+3,
=36+3,
=39;
故答案为:39,,39.
Biology is _____.
A.science of life
B.science of the life
C.the science of the life
D.the science of life
被称作细胞的调控中心的是( )
A.细胞质
B.线粒体
C.细胞核
D.叶绿体