新东方在线雅思网为大家收集整理的雅思阅读长难句每日一题：Day 73。解决长难句是雅思阅读中的重点~希望能够为同学们的雅思备考提供帮助。更多雅思报名官网的最新消息，最新、最专业的雅思备考资料，新东方在线雅思网将第一时间为大家发布。

　　>>>拓展阅读：手把手教你六步搞定雅思阅读长难句分析

　　● 题目：

　　Since the early years of the twentieth century, when the International Athletic Federation began keeping records, there has been a steady improvements in how fast athletes run, how high they jump and how far they are able to hurl massive objects, themselves included, through space. (test4 passage 1)

　　● 分析：

　　本句较长，主句为there be结构，即“there has been a steady improvements in how fast athletes run, how high they jump and how far they are able to hurl massive objects, themselves included, through space”;“how fast athletes run, how high they jump and how far they are able to hurl massive objects, themselves included, through space”中三个how引导的从句并列，都为in的宾语从句;“Since the early years of the twentieth century”为本句的时间状语，由since引导;“when the International Athletic Federation began keeping records”为定语从句，关系词为when, 做the early years of the twentieth century的定语从句。