France lies in western ____. Unlike other ____, French people are romantic(浪漫的). (Europe)
我国各民族的分布特点是____、____，____．
①杂种自交后代的性状分离比
②杂种产生配子类别的比例
③杂种测交后代的表现型比例
④杂种自交后代的基因型比例
⑤杂种测交后代的基因型比例
—I since I was 11. Now I am thinking about picking it up again.
—Good for you!
关于地球公转的叙述，正确的是（ ）
