【赵博】
开头段：
1. Recently the phenomenon has become a heated topic.
2. Recently the problem has been brought into focus.
3. Nowadays there is a growing concern over...
4. What calls for special attention is that...
5. It is common knowledge that...
6. It is well-known that...
7. Many nations have been faced with the problem of...
8. According to a recent survey...
9. With the rapid development of...
中间段表反驳：
1. It is true that..., but one vital point is being left out.
2. There is a grain of truth in these statements, but they ignore a more important fact.
3. Some people say..., but it does not hold water.
4. Many of us have been under the illusion that...
5. A close examination would reveal how ridiculous the statement is.
6. It makes no sense to argue for...
7. Too much stress placed on...may lead to...
8. Such a statement mainly rests on the assumption that...
9. Contrary to what is widely accepted, i maintain that...
中间段表证明：
1. No one can deny the fact that...
2. The idea is hardly supported by facts.
3. Unfortunately, none of the available data shows...
4. Recent studies indicate that..
5. According to statistics proved by...,it can be seen that...
结尾段：
1. From what has been discussed/ mentioned above, we may conclude that...
2. Therefore, it is not difficult to draw the conclusion that...
3. From all the reasons above, it is obvious that...
4. Taking into account all these factors, we may reach the conclusion that...
5. It is essential that effective measures be taken to...
6. From what has been discussed above, we may reasonably draw the conclusion that...
7. As a result, we should take some effective steps to...
8. Judging by the figures, it is not difficult to see that...