2015年2月1日托福写作真题回忆内容如下：
Topic 议题：40年前yellow-legged mountain frogs数量下降的三种解释
Thesis 总论点
Reading：Demonstrate three theories to explain why the number of yellow-legged mountain frogs declined 40 years ago.
Listening：Refute the three explanations mentioned in reading passage.
Sub-point 1
分论点1
Reading：A kind of fish, the trout, was introduced to this area and the trout ate tadpoles of the frogs.
Listening：The trout was introduced 100 years ago, however the decline happened 40 years ago. The time does not match.
Sub-point2
分论点2
Reading：The use of pesticides contaminated the habitat.
Listening：Rainfall tends to wash the pesticides to lower and farther places. However, frogs lived in areas with higher altitude than that of farms using pesticides.
Sub-point 3
分论点3
Reading：The frogs there were infected by a fungal disease.
Listening：Yellow-legged mountain frogs can produce some antibodies within their bodies, so that they can resist to the infection of fungal disease.
独立写作：
作文题目：
Do you agree or disagree with the following statement?
Movies and television have more negative effects than positive effects on behaviors of young people.
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