下列哪种碱基只存在于mRNA,不存在于DNA中A.腺嘌呤 B.鸟嘌呤 C.胞嘧啶 D 发布时间:2018-07-03 03:33 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列哪种碱基只存在于mRNA,不存在于DNA中A.腺嘌呤B.鸟嘌呤C.胞嘧啶D.尿嘧啶E.胸腺嘧啶
题型:单项选择题 These sweaters are too small for me. Would you show me _____ one?[ ]A. the otherB. otherC. anotherD. some 查看答案