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选择性必修二《Unit 1 Science and Scientists》Discovering useful structures优秀教案
The grammatical structure of this unit is predicative clause. Like object clause and subject clause, predicative clause is one of Nominal Clauses. The leading words of predicative clauses are that, what, how, what, where, as if, because, etc.
The design of teaching activities aims to guide students to perceive the structural features of predicative clauses and think about their ideographic functions. Beyond that, students should be guided to use this grammar in the context apporpriately and flexibly.
1. Enable the Ss to master the usage of the predicative clauses in this unit.
2. Enable the Ss to use the predicative patterns flexibly.
3. Train the Ss to apply some skills by doing the relevant exercises.
1.Guide students to perceive the structural features of predicative clauses and think about their ideographic functions.
2.Strengthen students' ability of using predicative clauses in context, but also cultivate their ability of text analysis and logical reasoning competence.
Step1: Underline all the examples in the reading passage, where noun clauses are used as the predicative. Then state their meaning and functions.
One theory was that bad air caused the disease.
Another theory was that cholera was caused by an infection from germs in food or water.
The truth was that the water from the Broad Street had been infected by waste.
Sum up the rules of grammar:
1. 以上黑体部分在句中作表语。
2. 句1、2、3中的that在从句中不作成分，只起连接作用。
Step2: Review the basic components of predicative clauses
1.Definition
在复合句中作表语的从句，叫作表语从句。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。
2．Leading words , functions and examples:
引导词 用法 例句 从
属