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lijiao

28－Patients and Doctors
277
27－The vasa
1352
27－The vasa
229
26－The Past Life of the Earth
164
26－The Past Life of the Earth
305
25－Non-Auditory Effects of Noise
301
25－Non-Auditory Effects of Noise
187
24－Beauty
207
24－Beauty
217
23－Bird Flight
264
23－Bird Flight
308
22－Knowledge and Progress
294
22－Knowledge and Progress
187
21－William S. Hart and the Early Western Film
448
21－William S. Hart and the Early Western Film
259
20－Snake Poison
186