Rose usually wakes up early in the morning. She always has her breakfast at half past six. She leaves home at about seven o’clock.. She is never late for school.
    She has many classes in the morning. At about twelve fifteen, she comes back for lunch. In the afternoon, she isn’t so busy. After school she   does her homework and plays with other children.
    In the evening, her parents come back from the factory. The family has supper together. After that, they usually read newspaper or listen to the radio for a little time. Sometimes, they watch TV. Rose goes to bed at half past nine. But her father often works late at night.

达州某中学九年级同学在复习中国历史时，整理了如下资料：“中共一大的召开”、“南昌起义”、“井冈山会师”、“遵义会议”、“四渡赤水”等．据此判断，他们复习的学习主题是（ ）

如图是鸟卵结构示意图，下列有关叙述错误的是（　　）