表示目的1．The purpose of a test is to show what you have learned about a subject.2．Believe it or not, her only purpose in saying all that is to help you help yourself. 3．Competitive sports
表示重要性或必要性1．It’s important to set aside time for relaxation,hobbies,and entertainment as well.2．Improved consumer confidence is extremely important to an economic recovery.3
（一）观点类1．The human race has entered a completely new stage in its history, alone with the advance of the society and the increasingly rapid economic globalization and urbanization, more p
（二）介绍类1．was set up two years ago.2．The club organizes various activities regularly catering for the needs of and is well know among 3．We have every weekend and you can practice your
(三)计划、展望类1．Before I realize it, my second semester(学期[si`mest ])at college has elapse(流逝[I`læps]) and a new one is drawing near, which means I have to make another set of
（四）现象类1．The overuse of plastic bags is always a major problems in China.2．Convenient as they are for customers, they have become a threat to the environment and a cause for severe wast
People hold different views about X. Some people are of the opinion that观点1：While others point out that,观点2：As far as I am concerned, the former/latter opinion holds moreweight. For one th
定义法：有时对题目中关键词作一些简单或正面解释，限定其范围，也有利于引出主题。如：a．What is decisiveness? It doesn’t mean act rashly.（反面定义）
1．According to a recent survey, four million people die each year from diseases linked to smoking.依照最近的一项调查，每年有4，000，000人死于与吸烟有关的疾病。2．The late
6． When it comes to education, the majority of people believe that education is a lifetime study.说到教育，大部分人认为其是一个终生的学习。7．Many experts point out that physic