从理论上讲,杂交育种工作中,所用亲本越多越()A.好 B.不好 C.易行(成本越低) 发布时间:2019-12-26 17:21 │ 来源:www.tikuol.com 题型:单项选择题 问题: 从理论上讲,杂交育种工作中,所用亲本越多越()A.好B.不好C.易行(成本越低)D.难以育出好品种
题型:单项选择题 The period ranging from 1865 to 1914 has been referred to as ()in the literary history of the United States.A.the Age of EnlightenmentB.the Age of RomanticismC.New England TranscendentalismD.the Age of Realism 查看答案