四级作文寄语：作文短语是四级写作当中别不可少的元素，希望能够帮助四六级考生在四级备考冲刺中添加一笔亮色

　　6.so + adj+系动词+主语 +that + 句子(太。。。以致于。。。)

　　So serious is the pollution that government has to take effective steps

　　7 .it is advisable/desirable(可取得)/conceivable/(可想而知)/profitable(有利可图)/as clear as crystal(非常清晰)/manifest(显而易见)/probable/likely(可能的)

　　It is manifest that space research has wasted a large sum of money

　　8. … an outline of sth --- 是关于---的概括性的论述

　　Following is an outline of advantages and disadvantages of working at home.

　　9.do A by either /not only/both doing B or/but also/and doing c)(通过做A 来实现B,)

　　Pollution can be controlled by either/not only/both restricting the increasing private cars or/but also/and arousing the public’s awareness of protecting environment

　　10.it must be stressed out that...(必须要指出)

　　It must be stressed out that happiness depends on at least 3 considerations