【示例一】
　　①Judging from the pictures, we can clearly infer that the drawer’s intention is  ________（主题句）.② ________（扩展句）.③For one thing/First of all/Firstly, ________（第一个层面）. ④For another/Besides/Moreover/In addition/Secondly, ________（第二个层面）. ⑤Thus/As a result/Therefore/Finally, ________（总结句）.
　　【示例二】
　　①To begin with, the purpose of the drawings is to show us that ________（主题句）,yet the symbolic meanings subtly conveyed should be taken more seriously. ②  ________（扩展句）is naturally associated with, to be specific ________（第一个层面）. ③Besides/Moreover/In addition, ________（第二个层面）。④As a result/Therefore,  ________（总结句）.