2015年11月14日
Topic 议题：sea star population下降的三种原因
Thesis
总论点
Reading：3 reasons can explain why sea star population decline.
Listening：None of the 3 reasons is reasonable.
Sub-point1
分论点1
Reading：Parasites living on sea stars quickly spread.
Listening：Sea stars are sick whole year even when it is not the reproduction season, in which parasites grow.
Sub-point2
分论点2
Reading：There are bacteria on shellfish, which is the main food of sea stars.
Listening：Sea stars can tolerate this kind of bacteria.
Sub-point3
分论点3
Reading：The sea temperature rises, leading to the weakness of sea stars’ immunity power.
Listening：The sea temperature of the area where sea stars die is calm all the time.
11月14日托福独立写作题目：
When parents cannot afford time to accompany with their children, they could choose to send their children to child-care center where many children are cared together; or they could send their children to an individual caregiver. Which one is better?
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