开篇 1) Many nations have been faced with the problem of ... 2) Recently the problem has been brought into focus. 3) Recently the phenomenon has become a heated topic. 4) Recently the issue has aroused great concern among ... 5) Nowadays...

举例 1) A good case in point is ... 2) As an illustration, we may take ... 3) Such examples might be given easily. 4) ...is often cited as an example....

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) There is sufficient evidence to show that ... 6) According t...

比较 1.The advantage far outweigh the disadvantages. 2.The advantages of A are much greater than those of B. 3.A may be preferable to B, but A suffers from the disadvantages that... 4.It is reasonable to maintain that ...but it would be f...

后果 1. It may give rise to a host of problems. 2. The immediate result it produces is ... 3. It will exercise a profound influence upon... 4. Its consequence can be so great that......

举例 1) A good case in point is ... 2) As an illustration, we may take ... 3) Such examples might be given easily. 4) ...is often cited as an example....

开篇 1) Many nations have been faced with the problem of ... 2) Recently the problem has been brought into focus. 3) Recently the phenomenon has become a heated topic. 4) Recently the issue has aroused great concern among ... 5) Nowadays...

批驳 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...

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) There is sufficient evidence to show that ... 6) According t...

比较 1.The advantage far outweigh the disadvantages. 2.The advantages of A are much greater than those of B. 3.A may be preferable to B, but A suffers from the disadvantages that... 4.It is reasonable to maintain that ...but it would be f...