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
25. Why does the author mention feldspar in line 10?
(A) It is often used as a substitute for clay.
(B) It is damaged by the oxides in clay.
(C) Its presence indicates inferior clay.
(D) It is a major component of clay.
阿摩線上測驗
登入