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Whether people should protect prairie dogs

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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:

Whether people should protect prairie dogs

听力材料:

The messages mentioned in the reading are misleading.

1.The agricultural pests view is outdated. On the one hand, prairie dogs have changed their diets. On the other hand, cattle now feed on some specific areas. So there is no competitive relation between them. What’s more, the burrowing of prairie dogs does not harm the growth of grass, but in fact makes the land fertile, which facilitates the grass growth.

2.The incidence of a disease is very low. In the past 15 years, onl

阅读材料:

There are three reasons to illustrate the bad effects brought by those prairie dogs.

1.They are agricultural pests because they will compete with cattle for grass.

2. The fleas they carry can cause bacterial disease.

3. Protecting them hardly brings benefits to the ecosystem, so it is more worth protecting large mammals.

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