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As we have known from the map of the world, this is ______.

A．twice as large an island as that B．twice as larger as that island

C．as twice as that one D．twice as a large island as that

【答案】

【解析】

試題分析：考查倍數：倍數+as+adj+an/a+名詞as，先是twice，然后是as +形容詞（large）an island +as…,句意：從世界地圖上我們可以看出這是那個島兩倍的島嶼。選A。

考點：考查倍數表達法

點評：倍數表達要牢記，倍數表達法是高中英語教學的重點，也是歷屆高考的熱點。當我們要表達甲是乙的幾倍時，通常用句型來表示： “A+倍數+形容詞或副詞的比較級+than+B”，表示“A比B大（長、高、寬等）多少倍”。2.“A+倍數+as+形容詞或副詞的原級+as+B”，表示“A正好是B的多少倍”。 3. “A+倍數+the size /height /length /width，+of+B”，表示“A正好是B的多少倍”。4.“……times+what+從句”。還要特別注意：as/how/so/too這幾個詞都是先加adj再加冠詞然后是名詞的搭配。

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