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試卷:無年度 - 2003年8月托福閱讀#20899 | 科目:TOEFL(Test of English as a Foreign Language)托福

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試卷名稱:無年度 - 2003年8月托福閱讀#20899

科目:TOEFL(Test of English as a Foreign Language)托福

30 What does the passage mainly discuss?
(A) The history of the photoflash
(B) Theories about how the eye reacts to light
(C) The technology of modern photography
(D) The dangers of using the early photoflash
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