as……as结构的运用（1）结构：A+be+倍数+as+原级+as+B例子1：This building is three times as tall as that one.这座建筑物是那座的两倍高。

例子2：The lake is twice as large as that one.这个湖泊的面积是那个湖泊的两倍。

（2）倍数+as many/much +名词+as+B例子3：The factory produced twice as many machines in 2020 as the year before.这个工厂在2020年生产的机器是以前的两倍。倍数+more+名词+than+B“……比……多……倍”例子4：He does twice more homework than he did one year ago.他比去年多做了两倍的作业。例子5：This elephant eats 6 times more food than the panda.这头大象比那只熊猫多吃六倍的食物。表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；表示顺序的数词叫序数词。另外我们要注意倍数的表示法和分数的表示法。A+be+倍数+形容词/副词比较级+than B例子6：This classroom is six times bigger than ours.这间教室比我们的大六倍。例子7：The ruler si three times longer than the one we lost.这把尺子比我弄丢的要长3倍。A+be+倍数+the size/height/width/length of B例子8：This street is four times the length of that one.这条街的长度是那条街的4倍。例子9：The earth is 49 times the size of the moon.地球是月亮的49倍。be+倍数+that of B例子10：The output of June was seven times that of May in this factory.这个工厂6月份的产量是5月份的7倍。例子11：The size of the newly broadened if four times that of he previous one.新扩建的广场是以前的广场的四倍大。