雅思阅读：剑桥雅思阅读长难句分析（7）_雅思英语阅读

雅思阅读：剑桥雅思阅读长难句分析（7）

　　4. These fracture zones, where the collisions occur, are where earthquakes happen.

　　分析：本句的主句为These fracture zones are where earthquakes happenwhere the collisions occur为定语从句，作zones的定语，关系词为where;where earthquakes happen为where引导的表语从句。

　　5. When studying their mother tongue, linguists act as their own informants, judging the ambiguity, acceptability, or other properties of utterances against their own intuitions.

　　分析：本句的主句为linguists act as their own informants, When studying their mother tongue为when引导的现在分词短语做时间状语;judging the ambiguity, acceptability, or other properties of utterances against their own intuitions.为现在分词短语做伴随状语，引导词省略。

　　6. People talk abnormally when they know they are being recorded, and sound quality can be poor.

　　分析：本句为and连接的一个并列句People talk abnormally和sound quality can be poor并列;when they know they are being recorded为when引导的时间状语从句;they are being recorded为宾语从句，做know的宾语，引导词that省略。

　　7. Linguists also make great use of structured sessions, in which they systematically ask their informants for utterances that describe certain actions, objects or behaviors.

　　分析：本句主句为Linguists also make great use of structured sessionsin which they systematically ask their informants for utterances that describe certain actions, objects or behaviors.为which引导的定语从句，做structured sessions的定语;that describe certain actions, objects or behaviors.为定语从句，做utterances的定语，关系词为that。