試題詳解

試卷：無年度 - 98年5月托福閱讀試題#20930 | 科目：TOEFL(Test of English as a Foreign Language)托福

試卷資訊

試卷名稱：無年度 - 98年5月托福閱讀試題#20930

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

13. According to the passage, helium is
(A) the second-most abundant element in the universe
(B) difficult to detect
(C) the oldest element in the universe
(D) the most prevalent element in quasars

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