【評論主題】6.Playing sports at least three times a week _____ good for your health.(A) is (B)are (C)has (D)have

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123

【評論主題】【題組】62.根據上文及圖(二十九)資訊，掩蓋該遺址的泥沙主要來源應為下列哪一地形區？(A)東北平原(B)華北平原(C)黃土高原(D)雲貴高原

【評論內容】

遺址在黃河旁邊，黃河經過黃土高原