Unit 1 Science and Scientists Discover useful structures 课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

Unit 1 Period 2 Discover Useful Structures 新 课 导 入 Read the quotes and find the clauses in them. ※ Understanding science and pushing the boundaries of science is what makes me immensely satisfied. ※ The next major explosion is going to be when genetics and computers come together. ※ The doctor has been taught to be interested not in health but in disease. What the public is taught is that health is the cure for disease. what makes me immensely satisfied when genetics and computers come together that health is the cure for disease Predicative Clauses 1.能认识和总结表语从句的结构和功能； 2.能学会灵活运用表语从句。 学习目标 课 堂 学 习 Underline all the examples in the reading passage where noun clauses are used as the predicative. Then state their meaning and functions. 1 One theory was that bad air caused the disease. Another was that cholera was caused by an infection from germs in food or water. It seemed that the woman liked the water from the pump so much that she had it delivered to her house every day. The truth was that the water from the Broad Street pump had been infected by waste. The question is who will do it. The question is difficult. （ 表 ） 表语从句 （ 表 ） 在复合句中做表语的从句，叫做表语从句。它位于主句的系动词之后，对主语进行解释说明，使主语的内容具体化。 1.表语从句的定义 Predicative Clauses 主语 + 系动词 + 引导词 + 简单句 This is why he did it. 表语从句 2.表语从句的构成 可以接表语从句的系动词有： 1. 状态系动词：be 2. 感官系动词：feel, seem, look, appear, sound, taste, smell 3. 持续系动词：stand, lie, remain, keep, stay 4. 变化系动词：become, get, grow, turn, go, come, run, fall 5. 终止系动词：prove, turn out 3. 表语从句的引导词 引导词 用法 备注 从属连词 that 无成分，无意义，不能省略 根据 句意 选择 Whether 无成分，意为“是否” 连接代词 what, which, who, whom, …+ever, whose 在从句中充当主语，宾语，表语，定语 连接副词 how, when, where, …+ ever, why 在从句中充当状语 其它连接词 because, as if, as though 因为，好像，似乎 [即学即练] 单句语法填空 1. This is ________ I want. 2. My English is limited. This is ______ I hate reading English books. 3. The village is ________ I used to spend m