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.a(chǎn)s twice large as that oneD.twice as a large island as that
A

試題分析:考查倍數(shù)表達(dá). 正確結(jié)構(gòu)應(yīng)該是:倍數(shù) +as adj+a/an+n as ;第一個as是副詞,所修飾的形容詞要緊跟在它后面,形容詞所修飾的名詞要跟在形容詞的后面。所以應(yīng)該使用:as large an island as。句意:正如我們從地圖上所看見的一樣,這是一個比那個島大兩倍的島嶼。選A。
點評:倍數(shù)表達(dá)要牢記,倍數(shù)表達(dá)法是高中英語教學(xué)的重點,也是歷屆高考的熱點。當(dāng)我們要表達(dá)甲是乙的幾倍時,通常用句型來表示: “A+倍數(shù)+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(shù)+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(shù)+the size /height /length /width,+of+B”,表示“A正好是B的多少倍”。4.“……times+what+從句”。
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