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lijiao

28－Patients and Doctors
258
27－The vasa
1319
27－The vasa
213
26－The Past Life of the Earth
147
26－The Past Life of the Earth
289
25－Non-Auditory Effects of Noise
286
25－Non-Auditory Effects of Noise
171
24－Beauty
191
24－Beauty
200
23－Bird Flight
248
23－Bird Flight
289
22－Knowledge and Progress
279
22－Knowledge and Progress
169
21－William S. Hart and the Early Western Film
420
21－William S. Hart and the Early Western Film
241
20－Snake Poison
166