下列各基因型中,属于纯合体的是() A.AaBbCc B.AAbbcc C.aaBb 发布时间:2018-11-22 03:18 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列各基因型中,属于纯合体的是()A.AaBbCcB.AAbbccC.aaBbccD.aaBBCc
题型:单项选择题 John ________ to Japan on business. He’ll be back ________ a few days.A.goes; inB.went; afterC.has gone; inD.go; after 查看答案