一. 表达倍数的三个基本句型1.“A+be动词/谓语动词+倍数+as+形容词/副词原级+as+B”，表示“A正好是B的多少倍”。例如：Asia is four times as large as Europe.亚洲的面积是欧洲的四倍。This big stone is three times as heavy as that one.这块大石头的重量是那块的三倍。The plane flew ten times as high as the kite.那架飞机的飞行高度是那只风筝的十倍。2.“A+be动词/谓语动词+倍数+形容词/副词比较级+than+B”，表示“A比B大（长、高、宽等）多少倍”。例如：This rope is twice longer than that one.这根绳子比那根绳子长两倍（是那根绳子三倍长）。This hall is five times bigger than our classroom.这个大厅比我们的教室大五倍(是我们教室的六倍大)。The car runs twice faster than
