TPO (TOEFL Practice Online) 是美国教育考试服务中心(Educational Testing Service，简称ETS)专为参加
1. 阅读要点概括：
Theme:
There are three sorts of damage caused by the policy
Key point 1:
Ethanol can lead to significant decline in food supply to animals
Key point 2:
The price of ethanol will be high without the help of government
Key point 3:
The price of ethanol will be high without the help of government
2. 听力要点概括：
Theme:
A good alternative, not convincing
Key words 1:
Process, counteracts, release, absorbs, nutrition, production, removes
Key words 2:
Reduce, food, cellulose, not eaten by animals
Key words 3:
Compete, price, support, not always, once, increase, production, drop, three times greater, forty percent
TPO逐题精讲”能有效帮助您查漏补缺，完美备考。
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