官方对于托福 独立写作的满分要求如下：
An essay at this level largely accomplishes all of the following:
1. Effectively addresses the topic and task
2. Is well organized and well developed, using clearly appropriate explanations, exemplifications, and/or details
3. Displays unity, progression, and coherence
4. Displays consistent facility in the use of language, demonstrating syntactic variety, appropriate word choice, and idiomaticity, though it may have minor lexical or grammatical errors.
标准解读：
要点 1: addresses the topic
在托福写作中，考生所表达的观点要和题目要求相关、一致。另外，考生所提供的例证也要切题，只有这样的例子才有说服力。
要点 2: well organized & well developed
托福满分作文的行文组织要系统，有逻辑
