econ102: 是susan的那本exploring macroeconomic 白蓝色的,35 9 A( ^) V* l$ G- c/ Cwrs101: 60/ P2 J# a4 g5 f) n
chem101/102: 有solution manual,60 / { d: W$ s& 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 0 ?, q& n1 s2 L4 w. varec323: 40% P J! c- X- x/ m
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