英语四级写作高分训练月计划第二周：引出原因

　　各类功能句常规写法

　　说明原因段
　　1.引出原因
　　1)There are many factors explaining / accounting for / contributing to this phenomenon . ( First of all / Above all , …Moreover , …Besides…)
　　许多因素导致了这一现象。（首先，……其次，……另外，……）

　　2)There are several reasons which may account for my preference of the program .
　　以下一些原因可以解释我对这一课程的偏好。

　　3)There are a large number of reasons for this social phenomenon , but in general , they come down to three major ones . ( Firstly , … Secondly , … Finally ,…  )
　　导致这种现象的原因有很多，但总体来说，主要有三点。（首先，……其次，……最后，……）

　　4)There are mainly two reasons behind this phenomenon .( First , …Second ,…)
　　在这一现象背后主要有两点原因（首先，……其次，……）

　　5)There are mainly three different reasons for college students to take a work-study program .
　　大学生参加勤工俭学主要有三个方面的原因。

　　6)There are many factors deciding / influencing my choosing future job .
　　有许多因素决定/影响我对将来工作的选择。

　　7)There reasons for this phenomenon mainly lie in the following two aspects .
　　产生这一现象的原因主要有以下两个方面。

　　8)The reasons for education to enter the market are obvious .
　　教育走向市场化的原因是显而易见的。

　　9)This extravagant spending is mainly caused by / due to the following reasons / factors .
　　这种过度浪费主要是由以下因素/原因引起的。

　　10)The following reasons are responsible for the boom in continuing education .
　　下列原因导致了继续教育的热潮。

　　11)The following three factors contribute to the conflict .
　　以下三点因素导致了这个冲突。

　　12)The following reasons can account for the popularity of green food .
　　下列原因能够解释绿色食品流行的原因。

　　13)Why does "blog" become so popular in such a shout time .
　　为个么“博客”在这么短的时间内会如些流行呢？

　　14)But what lead to the conflict between parental hopes and personal ideals ?
　　但是，是什么导致了父母的期望和孩子的理想之间的冲突呢？