【简答题】人类与其他脊椎动物血红蛋白中()的差别可以说明其经过的突变的多少。(请填写中文)
【单选题】Kate loves music very much, and he is going to learn how to______. [ ]
【简答题】在房间里有10个人,分别佩戴着1 到10 号的纪念章,任意选4人记录其纪念章的号码,则最小号码为5的事件的概率等于______(答案填写分数形式)
【单选题】—Lisa, are you going to play ______ violin after school this afternoon? —No, and I’m going to play ______ chess with Tina.
【简答题】人类与其他脊椎动物血红蛋白中()的差别可以说明其经过的突变的多少。