試題詳解

試卷：無年度 - 2002年5月托福閱讀#20903 | 科目：TOEFL(Test of English as a Foreign Language)托福

試卷資訊

試卷名稱：無年度 - 2002年5月托福閱讀#20903

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

21. The author's main point in paragraph 1 is that clay deposits
(A) conceal layers of rock
(B) can be found in various places
(C) are usually small
(D) must be removed from construction sites

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