econ102: 是susan的那本exploring macroeconomic 白蓝色的,352 n. R+ m* i& `4 x2 G$ D# r
wrs101: 609 S& d9 d$ {; `
chem101/102: 有solution manual,60 , }& y# T+ I) v& X4 Y4 C mengl123: The longman anthology world literature 还有一本 the least you should know about english 只知道jean richardson这老师用这两本,其他的section也有可能,每本50 . I3 p/ Y5 R* p8 Earec323: 40# S/ r: f, X9 Q; z
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