econ102: 是susan的那本exploring macroeconomic 白蓝色的,35" p! D v. j) R% R- E
wrs101: 60 & o4 O/ w( m! |4 s8 h) U4 x8 {chem101/102: 有solution manual,60$ g5 N" c" I5 k9 V4 K! E2 t- l% O
engl123: 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) R( K! }2 Q' |/ g
arec323: 400 J8 c& d! s, }6 }9 | m
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