C.中间
1.建议和解决方法
1)A great number of solutions are being offered. Some people suggest that ______________. Others argue that ______________.
2)But I don't think it is a very good way to solve ______________. For instance，______________. Worst of all， ______________.
3)My suggestion to deal with/solve/relieve the problem are as follows. In the first place，…… Secondly，…… Finally
4)If we let the situation go as it is，…… By that time，…… 如果让这种情况继续发展下去，那么到那个时候，……。
5)If……，will there be anything that can make me even happier?如果(我们怎么怎么做)，那将没有比这令我更高兴的了。
2.It 结构
1)It is advisable to exercise(拥有)patience in dealing with such complicated situations.
2)It is necessary that young and old people should communicate more with each other.
3)It is certain that fresh air and exercises are more enjoyable and beneficial than medicine.
4)It is well known that many of our problems are caused at least in part by failure to communicate.
5)It seemed to me that the only thing that matters is to learn through failure.
6)It pays in the long run (从长远的角度看……)to introduce new technique.
3.动名词或分词结构
1)Drinking，eating，and smoking excessively can do severe harm to even a young person's health.
2)The art of communication requires learning the language and culture of the audience.
4.递进式结构
1)Fresh vegetables are nutritious(有营养的);furthermore，they re cheaper than frozen ones.
2)Helping others will not only bring joy into other people's lives，but also added happiness into our own.
5.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)A harmonious atmosphere is essential(necessary / critical / indispensable)to achieve success.
3)Global warming can endanger our lives so much that we are obliged to make a careful study of the problem and try to find out a lasting solution to it.
6.表示目的
1)The purpose of a test is to show what you have leaned about a subject.
2)The intent is not to catch everyone but rather to catch enough to spread the word.
3)Competitive sports are recommended to young adults to prepare them for the competitive world of college and business.
7.表示结果
1)Too much work and too little rest may lead to loss of health.
2)If you try to learn too many things at a time，you may get confused.
3)By consistent hard work we will be able to achieved our objectives (目标)。
8.表示对比和比较
1)Jobs and work do much more than most of us realize to provide happiness and contentment.
2)Work is more than a necessity for most human beings;it is the focus of their lives，the source of their identity and creativity.
3)Rather than a punishment or a burden，work is the opportunity to realize one's potential.
4)The more scientists find out，the more questions they are unable to answer.
9.表示条件或假设的结构
1)Without the distraction of TV，they might sit around together after dinner.
2)As long as the brain is given plenty of exercise it keeps its power.
3)Were it left to me to decide whether we should _______，I should not hesitate a moment to prefer the latter.
4)Without a degree and with no vocational experience their chances of getting good jobs are slim.