题目

 ________ of them went to the zoo , _________ went to the park . A. Some , others B. Some , the others C. Some , some D. All , others    答案：A细胞分裂过程中，最先分裂的结构是（   ） A．细胞核        B．细胞质          C．细胞膜          D．细胞壁