现象解释型、应用文、记叙文、和图表文章四种题型。这四种题型既是对四级作文的科学分类，又是对四级作文考点的高度概括。

A现象段落

模仿练习：当前校园中存在许多作弊的现象.

Currently, college students in growing numbers are seeking to cheat in exams. According to a recent survey made by Mary Wang, head editor of the 21st Century, there are about 38.6% who had some cheating behaviors at college, even in College English Test. Such an phenomenon has caused wide public concern.

主题句

1. Recent years, become more and more .It's estimated that .

2. Currently, people have to face the problem of .

3. Nowadays more and more people are beginning to realize that . For example, .

B对比段落

模仿练习： 1. 有些人决定毕业后读研. 2. 有些人决定毕业后工作. 3. 我的看法.

"Should college students go to work immediately or pursue their post graduate study after graduation? " When it comes to such a question, people opinion varies widely from person to person. Some people consider . In their eyes, . Besides, is also an important factor for .

However, some other hold that . According to them, . And, .

Personally, I am in favor of the former/later idea. For one thing, . For another, . Therefore, as mentioned above, will be my choice.

主题句

1. Currently, college students in growing numbers are seeking to cheat in exams, and people's opinions/attitudes/views are mixed/divided on this point.

2. Different people have different views on

3. There is no complete agreement among people as to

C原因段落

模仿练习: 许多大学生毕业后找不到工作这一现象的原因是. . .

After careful consideration, we can find three possible reasons to account for this trend. First of all, the expansion and amalgamation of universities provide chances for more students to receive higher education, but the job market cannot develop at the same speed. What's more, the situation is even worse with those students who unanimously chose the "hot" majors such as economics and accounting. In the third place, many students think too highly of themselves-they choose not to work at all if they are not satisfied with the job. They may think the pay is not satisfactory or the job is not decent at all.

模仿练习: Video Games

1.许多学生沉迷于电子游戏/网络聊天. 2.这一现象的原因是... 3.解决办法是...

主题句

1. Three reasons, in my mind, can account for this social phenomenon.

2. Several reasons can account for this phenomenon,

3. In my mind, the reasons why the Internet surfers are on the rise are as follows.

4. Have you ever thought of the famous proverb "A man is known by the company he keeps"? To me, it is meaningful and significant in three respects.

句式联系法

Firstly,...Secondly,...Thirdly,...

For one thing,...For another,...Finally,...

In the first place,...In the second place,...Finally,...

On one hand,...On the other hand,...

First of all,...In addition,...Consequently,...

To begin with,... what's more, ...last but not the least,......