A:to ask
B:asking
C:to be asked
D:having asked
如图为探究“物体动能的大小与哪些因素有关”的实验示意图,关于该实验的说法错误的是( )
Tony gets up _______ early _______ he can be the first one to get to his classroom.
基因型AaBb,经过减数分裂产生4种配子,有AB、Ab、aB、ab.其中AB和ab两种配子各占42%,这两种等位基因与染色体的关系是____ 与____ 连锁.