英语四级经典必背500句：攻克阅读关键句247

　　247. The first study to compare honesty across a range of communications media has found that people are twice as likely to tell in phone conversations as they are in emails.

　　英语四级译文:

　　对一系列通信媒介进行诚信比较的第一项研究发现，人们打电话时说谎的可能性是写电子邮件的两倍。

　　四级词汇讲解:

　　该句的主干为study has found that，其中to compare honesty across a range of communications media为study的后置定语，that引导的是found的宾语从句，还包含twice as likely...as的比较结构。tell lies/a lie为固定搭配，意为 说谎 。

　　a range of在句中意为 一系列 ，此外该短语还有 各种各样 之意。如:

　　Our discussion covers a range of topics.我们的讨论包含各种话题。

　　英语四级考点归纳:

　　由as构成的搭配表示比较概念时具体用法如下:

　　表示原级比较，也可用作the same as ，否定形式为not as/so...as...。如:

　　The work is not as/so difficult as you think.工作没有你想的那么难。

　　A+倍数或几分之几+as + adj./adv. + as +B表示 A是B的几倍或儿分之几 。如:

　　This book is twice as thick as that one.这本书的厚度是那本书的两倍:

　　特殊结构A is to B what/as X is to Y表示 A对于B相当于X对于Y 。如:

　　Air is to us what/as water is to fish.我们与空气的关系就像鱼和水的关系。