包括: . T i" q6 R+ S' l1 _) f8 z0 ^focus 2:Academic listening and speaking skills& m) K. S' E& k4 ^
focus on vocabulary( X* T+ h' Y6 S/ G$ f1 O# p$ F
more reading power(second edition)0 [/ U/ w$ m* L9 `' s. e
focus on grammar 5(third edition) 8 w+ C2 h8 d; v" V* i% _* Pgrammar and writing# D1 w8 {( v: H' t6 A
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