雅思阅读技巧的语篇功能_雅思英语阅读

雅思阅读技巧的语篇功能

　　例1.剑桥5/Test3/Reading Passage2/Q15 Paragraph D

　　Choose the correct heading for paragraphs B and D-F from the list of headings.

　　Paragraph D

　　Once north of Cairo,‖most of the Nile water is diverted into more than 10,000 kilometers of irrigation canals and only a small proportion reaches the sea directly through the rivers in the delta.The water in the irrigation canals‖is still or very slow-moving and thus cannot carry sediment, Stanley explains.The sediment‖sinks to the bottom of the canals and then is added to fields by farmers or pumped with the water into the four large freshwater lagoons that are located near the outer edges of the delta.So very little of it‖actually reaches the coastline to replace what is being washed away by the Mediterranean currents.

　　主位推进模式分析：

　　T1+R1T2+R2∥T3+R3∥T4+R4∥

　　第一句的述位是第二句的主位，第二句的述位是第三句的主位，第四句的主位和第三句的主位相同。这种延续型和平衡型主位推进模式构建了该语篇的语意框架，表明了语篇中的信息流程和所要传递的信息焦点，即关于irrigation canals和sediment的相互关系。因此可以判定标题选项Effects of irrigation on sedimentation为正确答案。

　　例2.剑桥4/Test4/Reading Passage3/Q31 Section E

　　Choose the correct heading for sections A and C-E from the list of headings.