Unit 2 Making a Difference Understanding ideas Language points课件-2022-2023学年高中英语外研版（2019）必修第三册

Reading Para1. As a six-year-old Canadian schoolboy, Ryan had trouble believing the words ____________(speak) by his teacher that many people in developing African countries couldn’t get enough clean water. spoken 同位语从句：对名词words作解释说明 the words spoken by his teacher= the words which were spoken by his teacher spoken by his teacher是一个过去分词短语，作后置定语修饰the words，用来补充信息，words和speak的动作构成被动关系。 (1) that引导的同位语从句多位于idea, fact, evidence, hope, belief, wish, doubt, news, advice, suggestion, promise 等表示抽象意义的名词之后，用于解释说明这些名词 的具体内容。 (2) 引导同位语从句的词通常有连词that, whether, 连接副词 how, when, where等 (if, which不能引导同位语从句)。 that在同位语从句中没有词义，不充当句子成分，且不 能省略。 2. have trouble (in) doing sth: 做某事有困难 have no trouble (in) doing sth: 做某事没困难 “做某事有困难”的其他常用表达： ①have problems with sth. ②have problems in doing sth. ③have a hard/difficult time in doing sth. ④have difficulty in doing sth. 3. developing countries 发展中国家 developed countries 发达国家 在分词作定语的用法中，现在分词常常表示动作“未完成或正在进行”；过去分词可以表示动作“已经完成”。 eg the boiling water 正在煮沸的水 the boiled water 开水 the falling leaves 正在飘落的树叶 the fallen leaves 落叶 Para1. He looked across the classroom at the _________(drink) fountain. It was very close - only ten steps away. drinking fountain 饮用水喷水池 v.-ing 作定语可表示所修饰名词的用途 a washing machine a walking stick a swimming pool 一台洗衣机 一根拐杖 一个游泳池 drinking 从一边看到另一边 词条 意思及用法 例句 look across 强调从一边看到另一边 He went in and looked across the room carefully. look over 强调迅速地检查 He looked over the proposal (提案) before the meeting. look through 可以表示翻查、翻找，也可以表示(假装)没有注意到 She looked through me. (她假装没有看到我。) look across, look over, look through Para2. At first, his plan was to earn money to build a single well somewhere in Africa. 动词不定式to earn money作表语，其后的不定式短语to build a single… 作目的状语。 (1) 表示目的 eg The next step is to make sure that you know exactly what is required. (2) 表示事态发展的结果、预期的结果，不幸的命运或语言。 eg He was