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lijiao

28－Patients and Doctors
283
27－The vasa
1362
27－The vasa
236
26－The Past Life of the Earth
174
26－The Past Life of the Earth
315
25－Non-Auditory Effects of Noise
313
25－Non-Auditory Effects of Noise
199
24－Beauty
217
24－Beauty
227
23－Bird Flight
271
23－Bird Flight
317
22－Knowledge and Progress
304
22－Knowledge and Progress
196
21－William S. Hart and the Early Western Film
460
21－William S. Hart and the Early Western Film
268
20－Snake Poison
196