倍数表示法
1．A is 倍数 times as 原级 as BThis garden is ten times as large as that one.这个花园是那个花园十倍大。
Exercises：（1）.The newly-built railway is              that one. 新建铁道是那个两倍长。
twice as long as
（2）.Asia                    Europe.           亚洲是欧洲四倍大。
is four times as large as
2．A is 倍数 times the size (height, length ) of BThis school building is five times the size of that one.这所教学楼是那所五倍大。
Exercises：The earth is                 the moon.地球是月球49倍大。
This street is                        that street.这条街是那条街四 ...