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lijiao

28－Patients and Doctors
262
27－The vasa
1334
27－The vasa
217
26－The Past Life of the Earth
151
26－The Past Life of the Earth
293
25－Non-Auditory Effects of Noise
289
25－Non-Auditory Effects of Noise
174
24－Beauty
195
24－Beauty
205
23－Bird Flight
252
23－Bird Flight
293
22－Knowledge and Progress
282
22－Knowledge and Progress
173
21－William S. Hart and the Early Western Film
435
21－William S. Hart and the Early Western Film
245
20－Snake Poison
171