Unit 7 The Sea(3)Lesson 1 The Spirit of ExplorersGrammar：定语从句寄语：:A good medicine tastes bitter. 良药苦口。Learning aims: 1. 关系副词 where/when/why 引导的定语从句 2. 介词+which/whom 引导的定语从句Learning difficult point: 关系词在定语从句中所做成分的判断Learning Steps:Step 1 合并下列句子为含定语从句的复合句（B 级）1. The man is a policeman. He is shaking hands with my father. 2. The professor has gone to Shanghai. You wish to see the professor. 3. China is a country. China has a long history. 4. I live in a room. Its windows face the south. Step 2 知识回忆（B 级）你能回忆起所学定语从句的知识么？1.概念： 划出以下句子的定语从句，关系词，先行词，并且在句中所做的关系副词 when, where, why 引导的定语从句：1.when 在定语从句中表时间，作状语，其先行词往往是表示时间的名词，如：time, day, season, age, occasion 等。翻译： 1. where 在定语从句中表示地点，作状语，其先行词通常是表示地点的名词。如 place, situation, city, town, factory, case, 等。The factory where his father works is in the west of the city.翻译： We went to visit the place where Lincoln once worked.翻译： 2. why 在定语从句中表示原因，作状语，先行词一般是 reason。That is the reason why I did so.翻译： I don’t know the reason why he didn’t come to school yesterday.1翻译： 【注意】when,where, why,引导的定语从句可用“介词+which”来替换其介词可根据先行词和定语从句中的谓语动词来判断。A. when 相当于 at/in/on/during 等+which.The date on which he joined the Party was July 1，1984.翻译： B. where 相当于 at/in/on/等+which。The house in which he lived is a library now.翻译： C. why 相当于 for+which.Is that the reason for which he was absent from class?翻译： Step 4 定语从句（2）（B 级）介词+关系代词（which, whom）引导的定语从句1. 介词+which 在定语从句中充当时间，地点，原因状语，相当于when, where, why.(上边已经讲述)2. 介词...
