一 开头段： 第一句话(两厢比较型中则是第一组话)： A.单一观点型(看场合不同选择一个) 1.As is well-known and has often been described, . 2.It is traditionally a common practice for. B.两厢比较型 There is much debate over the issue that. Some people believe that. Others, however, maintain that. 第二句话： A.单一观点（简称单） 1.支持：In my point of view, I agree with the speaker and there are many instances supporting my view. 2.反对：In my point of view, I do not agree with the opinion stated above for some obvious reasons. B.两厢比较（简称两）
