未知题型
A、刺激（）反应理论的提出B、《行为：比较心理学导论》的发表C、《行为主义立场的心理学》的发表......
(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)
A testcross includes A、one parent who is homozygous rec...
单项选择题A testcross includes A、one parent who is homozygous recessive for one gene pair and a second parent who is homozygous recessive for a second gene pair. B、one parent who is homozygous dominant for one or more genes and a second parent who is homozygous recessive for these same genes. C、two parents who are both heterozygous for two or more genes. D、one parent who shows the dominant phenotype for one or more genes and a second parent who is homozygous recessive for these genes. E、one parent who shows the recessive phenotype for one or more genes and a second parent who is homozygous dominant for these genes.
第一个提出反射学说的人是（）。
未知题型第一个提出反射学说的人是（）。
防止旋转牙复发的方法有（）
未知题型防止旋转牙复发的方法有（）
