Thesis 总论点
Reading：Demonstrate three theories to explain why birds have the habit of anting.
Listening：Refute the three explanations mentioned in reading passage.
Sub-point 1
分论点1
Reading：Birds use anting to irrigate skin during feather change in summer.
Listening：It is just a coincidence between the time of feather change and bird anting.
Sub-point2
分论点2
Reading：The acid released during anting by ants can help resist parasites growing on birds.
Listening：Anting cannot reduce the growth of parasites on some birds.
Sub-point 3
分论点3
Reading：Anting is a way for birds to feed on those ants.
Listening：Birds will have other things to rub themselves, but they do not tend to eat those things.
独立写作：
Do you agree or disagree with the following statement?
All university students should be required to take basic science courses even if it is not the field of their study.
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