12.The speed of the trains nowadays is_________________what it was in the past.( 。
A.two times as faster asB.two times as the speed as
C.two times faster thanD.as fast as two times

分析 現(xiàn)在火車的速度比過去快兩倍.

解答 答案是C.本題考查倍數(shù)的表達.英語中常見的倍數(shù)表達有下列幾種:1)x times+比較級+than  2)x times+as+原級+as; 3)x times the+抽象名詞+of; 4)x times+what從句; x times+that短語;本題選用句型1),答案是C.

點評 掌握倍數(shù)表達的不同結(jié)構(gòu),分析題干中句子的結(jié)構(gòu)特征,結(jié)合語境中選用恰當(dāng)?shù)慕Y(jié)構(gòu).

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