For this part, you are allowed 30 minutes to write an essay with no less than 120 words based on the following directions. First you are required to decide on a proper topic and then supply the necessary information to complete each paragraph. Remember to write neatly.
1. 请指出下面这段话的寓意。
2. 分析造成的原因。
3. 提出解决该问题的措施或设想。
祖上以打猎为生
爷爷以卖上等木材为生
父亲以卖劈柴和柴墩为生
儿子以卖根雕原料为生
孙子以卖黄沙为生
……