题目

下列关于生物进化的叙述中错误的是                     A.种群是生物进化的单位                 B.基因突变对生物进化有重要意义        C.新物种形成的标志是出现地理隔离       D.隔离是物种形成的必要条件 答案：C 阅读理解，判断正（T）误（F）。There are many people in the park. Sam is running. Daming and Xiaoliang are playing chess. Some boys are playing football. What is Amy doing? She is listening to music. Some men are swimming in the lake. Some men are rowing a boat. Some old men are doing taijiquan.What’s in the tree? There are some birds. They are singing.【1】Sam is playing football. （______）【2】Amy is listening to music.（______）【3】Some men are rowing a boat. （______）【4】Some old men are doing taijiquan. （______）【5】There are some monkeys in the tree. （______）