雅思写作批改评分参考：
Band 9.0 = Excellent
Band 8.5 = Well Done ~ Excellent
Band 8.0 = Well Done
Band 7.5 = Very Good ~ Well Done
Band 7.0 = Very Good
Band 6.5 = Good ~ Very Good
Band 6.0 = Good
Band 5.5 = Average ~ Good
Band 5.0 = Average
Band 4.5 = Below Average ~ Average
Band 4.0 = Below Average
Band 1.0 ~ 3.0 = Need More Practice
