13．The city of Nanchong has grown so fast that it's at least      what it used to be．（　�。�
A．five times the size of
B．five times the size as large as
C．five times larger
D．five times size as

分析 南充市發(fā)展如此快，現(xiàn)在至少比過去大了三倍．

解答 答案：A
倍數(shù)表示法；倍數(shù)+比較級+than；倍數(shù)+as…as…；倍數(shù)+the size of．故選A．

點評 本題考查倍數(shù)表示法．英語中倍數(shù)的表示法有三種：倍數(shù)+比較級+than；倍數(shù)+as…as…；倍數(shù)+the size of．不可混用，學(xué)習(xí)時要牢記．

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