2015年10月25日
Topic 议题：Eocene
Thesis
总论点
Reading：Eocene warming was caused by three reasons.
Listening：Refute the three explanations mentioned in reading passage.
Sub-point1
分论点1
Reading：Caused by the direction changing of the ocean current.
Listening：The process does not produce enough heat to cause Eocene warming.
Sub-point2
分论点2
Reading：Caused by comet struck.
Megnetic partials are released by kind bacteria.
Sub-point3
分论点3
Reading：Caused by methane
Listening：Methane can affect climate only through thousands of years. If the Eocene warming is caused by methane, then methane is supposed to appear thousands years before the phenomenon of Eocene warming. The fact is that methane and Eocene warming occur meanwhile.
10月25日
Do you agree or disagree with the following statement?
In the past people were friendlier than they are today.
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