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Directions: You have 20 minutes to plan and write your response. Your response will be judged on the basis of the quality of your writing and on how well your response presents the points in the lecture and their relationship to the reading passage. Typically, an effective response will be 150 to 225 words.
题目原文：
讨论stop the decline of frog population问题。
听力材料：
These methods are ineffective and useless.
1. It is not financially economical. Farmers will suffer more, if they do not use pesticide.
2. This treatment has to apply to each frog, and people would be easily get infected. This way is expensive and hard to implement.
3. It is not human action that leads to the decline of water habitats, but global warming. Even though human actions are controlled, it cannot solve the whole problem.
阅读材料：
Provide three methods to the decline of frogs.
1. Prohibition of using pesticides can relieve this phenomenon.
2. Implement the large-scale of treatment.
3. Control the decline of water habit.
