例2
a) Teenagers are pressured by school work. They are also encouraged by their peers. Under such circumstances, they resort to smoking. But sometimes they feel a little guilty.
b) Pressured by school work and encouraged by their peers, teenagers often resort to smoking, tough they feel a little guilty sometimes.
例5
a) if you compare bicycles with cars carefully, you will find bicycles are superior to cars
b) careful comparison of bicycles with cars will cars will show the superiority of the former over the latter.
a) If we only apply book knowledge, we will not get good results.
b) The application of book knowledge alone won’t bring you good results.
a) If we can better understand the greater pressure of population growth, we will have a correct attitude towards family planning.
b) A better understanding of the greater pressure of population growth is essential to a correct attitude towards family planning.
a) When a woman sees that she is going to be laid off, she begins to worry all day and night.
b) The mere prospect of lay-off would set a women to worry all day and night.
a) When our teacher had left, the heated discussion then ended.
b) The departure of our teacher brought the heated discussion to an end.
a) Only when we make continuous efforts, can we seize an opportunity when it occurs.
b) Continuous efforts must be made before it is possible for us to seize an opportunity when it occurs.
a) Because we cannot apply book knowledge to practice, we cannot handle real problems in society.
b) The inability to apply book knowledge to practice prevents us from handing real problems in society.
a) Because the decision recognizes the rights of students, so they all welcome it.
b) Students all welcome the decision which recognizes their rights.
不要对动词过分依赖,如例13的a); 要学会用名词结构来表达意思, 如例13的b)