Unit 5 Humans and nature Focus on Language 课件-2023-2024学年高中英语北师大版（2019）必修第二册

Unit 5 Humans and Nature Focus on Language Passage Reviewing terror at was covered a when calmer slowly myself waiting to recognise 定语从句 什么是定语？ 在复合句中，用作定语的从句叫 从句。被定语从句修饰的名词或代词叫 。 定语从句一般放在先行词的 ，由关系代词或关系副词引导。 引导定语从句的关系代词有： ， 关系副词有： 。 名词的扩展：定语 是增加描述或说明名词或代词的修饰语，可以将其扩展为以名词或代词为中心的短语。定语因位置不同可分为：前置定语和后置定语。 定语 先行词 后面 that, which, who, whom, whose等 where, when, why等 3 指代内容 所作成分 是否可省略 that which who whom whose 人；物 物 人 人 (人/物)的 主语,宾语 主语,宾语 主语,宾语 宾语 定语 作宾语可省 作宾语可省 作宾语可省 可省 不可省 关系代词的选择和省略 关系副词 关系副词when, where, why的含义相当于“介词+which”的结构，并可与其交换使用。在从句中充当状语。 我不知道他今天晚上缺席的原因。（absent） 去年我的父母又去了那个他们30年前劳动过的农场。 人都有不得不屈服的时候。(yield） I don’t know the reason why he was absent today. Last year my parents went to the farm where they had worked for 30 years. There are occasions when one must yield. 注意：若时间名词为先行词，引导词在后面的定语从句中作主语或宾语，要用that/ which引导定语从句，不用when。 e.g. Do you still remember the days we spent together in Yan’an? 若地点名词为先行词，引导词在后面的定语从句中作主语或宾语，要用that/ which引导定语从句，不用where。 Eg. The Science Museum, we visited during our trip to Britain, is one of London’s tourist attractions. which/that which/that Practice 1. You can create an address book in ________ you can keep the e-mail addresses of your contacts. 2. Self-driving is an area ________ China and the rest of the world are on the same starting line. 3. Whatever is left over may be put into the refrigerator(冰箱), ________ it will keep for two or three weeks. 4. There was a time Soapy had to beg from door to door to make himself alive. 5. We all got excited when someone spotted an Australian tailed eagle, which （be）the symbol of the Australian-Pacific Railway. which where where when is Children are always happy on the day 1. ________ summer vacation begins. They think about the plans 2. __________ they ha