何凯文长难句背诵的句子包括：

1. This success, coupled with later research showing that memory itself is not genetically determined, led Ericsson to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one.

2. The success led to the conclusion that memorizing is more of a cognitive exercise than an intuitive one.

3. In the course of his long life, he has seen many changes.

4. Anyone who has achieved the success to any extent will testify that cooperation matters, whether it’s an individual’s willingness to cooperate or the team work spirit of a group.

5. The American middle-class family that once could count on hard work and fair play to keep itself financially secure has been transformed by economic risk and new realities.

6.构思物体和找出数字模型的能力是如何让一个人去回答那些连