試卷：無年度 - 97年5月TOFEL閱讀 (Page 168-170)#20922
| 科目：TOEFL(Test of English as a Foreign Language)托福
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試卷名稱：無年度 - 97年5月TOFEL閱讀 (Page 168-170)#20922
科目：TOEFL(Test of English as a Foreign Language)托福
38. How did scientists increase "the speed of their perceptions a thousandfold" (lines 25-26)?
(A) By analyzing photographs
(B) By observing a white cat in a dark room
(C) By dropping a cat from a greater height.
(D) By studying Newton's laws of motion.
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