如图是一个草原生态系统中中草、鼠与狐的数量变化曲线图，有关的食物链为草→鼠→狐．

如图所示，为了鉴定8号与本家族的亲子关系，需采用特殊方案，下列方案可行的是（　　）

下列有关实验操作及结果的叙述，不正确的是

阅读理解
    Most of the people in China can have four seasons. However, people in South China have three seasons --- spring, summer and fall. They don't have winters. In north China, people have a cold, dry and windy winter. But people in Kunming only have one season --- spring. It's warm and rainy all the year. You can see green trees and beautiful flowers there. So “ Spring City ”is another name for Kunming.

人体胰腺细胞中决定胰岛素分子中氨基酸排列顺序的是    (    )