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lijiao

28－Patients and Doctors
246
27－The vasa
1306
27－The vasa
200
26－The Past Life of the Earth
135
26－The Past Life of the Earth
275
25－Non-Auditory Effects of Noise
273
25－Non-Auditory Effects of Noise
158
24－Beauty
177
24－Beauty
188
23－Bird Flight
235
23－Bird Flight
275
22－Knowledge and Progress
265
22－Knowledge and Progress
156
21－William S. Hart and the Early Western Film
407
21－William S. Hart and the Early Western Film
228
20－Snake Poison
152