题目

 She always __________ her old jeans but her mother asks her to ________ another pair.      A. wears; put on          B. wears; puts on      C. put on; wear           D. puts on; wears 答案：A下列哪一过程发生于减数分裂第二次分裂后期 [　　] A．染色体复制B．同源染色体联会 C．着丝点分裂D．同源染色体分离