econ102: 是susan的那本exploring macroeconomic 白蓝色的,35 ! o, n% S2 W) J. j9 d- t) U4 iwrs101: 60" }, r- o7 B8 G8 I" E0 h1 b' ?* {
chem101/102: 有solution manual,60 ) T* Z) I: r3 B" c* Q* n( yengl123: 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 f# B' J$ l- C- I7 L4 d0 O3 M, H) ]& t
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