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l***g
正确率：67%；本课所得学分：7学习心得：课件做的非常棒，讲解很到位。我会经常复习的。（this course is so good that i enjoy it. this explanition of these sentences are very careful , i will often revise it. 来自 沪江口语商务系列L3-L8【外教1V1 8月班】 班 l***g 的心声