回忆1：
综合写作是打猎的壁画那篇
独立写作是公司投资培训员工好坏
回忆2：
综合写作：
the purpose of the cave paintings (R: to ensure successful hunting)
1. R：there are large animals that painting creaters hunt for. L: there are small animals like cats, and the raindeer which is their main animal of hunt isn't painted at all.
2. R: humans have animal heads. L: humans aren't standing up and some of them are sleeping. We don't know the purpose for sure.
3.R: cave paintings have magic power. L: actually the magical power their ancestors belive in is that they can communicate with the animals living around.
独立写作：
The most important investment that a company should spend money on is to improve the work skills of the employees.
