根据图表信息,补全对话
1. Q: When is Gina Brown's birthday?
A: ____
2. Q: ____
A: She is 12 years old.
3. Q: Is David Green's birthday on July 12th?
4. Q: ____
A: His birthday is on October 22nd.
5. Q: What's his age?
A: ____
使苏联由传统农业国变为强大工业国的事件是( )