Unit1 Science and scientist Grammar Predicative Clause 单元内容分析：本单元围绕科学和科学家的主题展开。讲述了几位中外科学家的生平、经历、研究过程和重要贡献，以及近年来中国在科技创新方面取得的伟大成就，旨在激发青少年对科学研究的兴趣，引导他们思考科学研究的方法，探究科学家的必备品质和科学精神的基本要素。 核心素养 学习目标 语言能力 通过完成语法感知和探究，理解表语从句的用法。 学习能力 能够通过观察与探究，理解语法概念与用法。 文化意识 通过完成自学内容，预习本单元语法，为充分理解与掌握该语法打好基础，做好预热，提升英语语感。 思维品质 通过学习表语从句，提升学生的语法理解与运用能力。 【语法感知】 I．观察下面句子，分析句子成分： 1.The person who stood in front of you just now is headmaster. 2.The door remained closed. 3.My job is to teach you English. 4.The reason why he came late was that his clock didn’t work. II．语法感知表语从句 His suggestion is that we should stay calm. ②The trouble is that we are short of funds. ③The question is whether the enemy is marching towards us. ④The argument is whether it will rain tomorrow. ⑤That is what I want to tell you. ⑥My problem is which computer I should choose. ⑦The problem is when we can get a pay rise. ⑧That's why I want you to work there. ⑨She seems as if she had done a great thing. ⑩It is because you eat too much. 1. ①②句的引导词为 。2. ③④句的引导词为 。 3. ⑤⑥句的引导词为 。4. ⑦⑧句的引导词为 。 5. ⑨句的引导词为 。6. ⑩句的引导词为 。 【语法探究】 一、理解概念 在复合句中充当_____的从句叫表语从句。表语从句一般用在“主语＋系动词＋表语”的结构中，它最明显的特征是跟在连系动词be之后。 二．表语从句的常用引导词及其用法： 1. 从属连词 _____引导表语从句时只起连接作用，在句子中不作任何成分，也无任何意义，但通常不能省略。The fact is that he is old enough to go to school. 2. 从属连词_____意为“是否”，引导表语从句时只起连接作用，在句子中不作任何成分。His first question was whether Mr Smith had arrived yet. 3. 连接代词_____在表语从句中作主语、宾语、表语或定语。 The question is what caused the accident. My trouble is who (whom) I can turn to. My question is whose turn it is to be on duty today. 4. 连接副词_____等在表语从句中作时间、地点、原因、方式等状语。 The question is when he can arrive at the hotel. This is where he was born. That is why you see this old woman before you now, Jeanne. 5. 连接词_____引导的表语从句常置于连系动词look, seem, sound, appear等后面。 It looks as if/though it is going to rain. It sounds as if/though someone is knocking on the door. 6._____引导的表语从句通常只用于This/That/It is because ... 结构中。 I'm very angry now. That is because you haven't called me for a long time. 三．即学即练 as if that what who when how why whose which whether A: Absolutely ! You may not believe it, but that was _____happened at the initial stage of our group's research on developing a vaccine for malaria. B: Yes, it is. And it seemed _____all the theories were useful, but the fact was_____ we couldn't persuade one another that one theory was better than another. C:Exactly The problem was not about _ ... ...
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