考点解析
考点一、倍数表达法
表示倍数的句型:
(1)A is+倍数+比较级+than+B
(2)A is+倍数+as+原级+as+B
(3)A is+倍数+the+名词(size,length,height 等)+of+B
(4)A is+倍数+that+of+B
(5)A is+倍数+what 引导的名词性从句
①This building is three times higher than that one.
This building is three times as high as that one.
This building is three times the height of that one.
这个建筑物是那个建筑物的3倍高。
②The output of this year is 3 times that of 2017.
=The output of this year is 3 times what it was in 20012.
今年的产量是2017年的三倍。
③After the new technique was introduced,the factory produced twice as many cars in 2017as the year before.
自从新技术被引进以后,这家工厂2008年生产的小汽车是上一年的两倍。
1. When you study the local map,you’ll find this town is________.
A.twice the si ze of that one
B.twice as a large town as that
C.twice as larger as that one
D.twice as la rger a town as that
解析: 句意为:当你研究当地的地图时,你会发现这座城镇是那个的两倍大。倍数的表达方式:A is +倍数+the+名词(如size/length)+of B;B项中不定冠词位置错误;C、D项中as后应用形容词原级。
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