Unit 2Reading 要点讲解ppt课件-（2019版）新人教版选择性必修第三册高中英语.pptx

1、Unit 2 Healthy LifestyleAs teenagers grow up, they become more independent and start making their own decisions. However, during this period, it can be easy for some of them to form bad habits. These bad habits, if left unchecked, could lead to more serious ones when they become adults. For example,

2、 some of them may become involved in tobacco or alcohol abuse, which can lead to physical and mental health problems. To prevent harmful habits like these from dominating a teenagers life is essential. They must learn to recognise bad habits early and make appropriate changes.Para.1形式主语形式主语真正主语真正主语条

3、件状语从句条件状语从句时间状语从句时间状语从句省略主语省略主语+be动词的情况：动词的情况：例：1. Work hard when (you are) young, or youll regret. 2. Although (he is) doing his best, he has still failed. 3. He wont go there with us unless (he is) invited.在时间，条件，让步，方式状语从句中，当从句主语与主句主语一致时或者从句主语是it时，并且从句谓语含有be动词时，从句的主语和be动词可以省略.As teenagers grow up,

4、 they become more independent and start making their own decisions. However, during this period, it can be easy for some of them to form bad habits. These bad habits, if left unchecked, could lead to more serious ones when they become adults. For example, some of them may become involved in tobacco

5、or alcohol abuse, which can lead to physical and mental health problems. To prevent harmful habits like these from dominating a teenagers life is essential. They must learn to recognise bad habits early and make appropriate changes.Para.1leave的复合结构的复合结构例：1. What he said left me thinking deeply. 2. T

6、he moving story left him unmoved. 3. His illness left him weak.leave表示“听任；使处于状态” ，可以构成“leave+宾语+宾语补足语”的复合结构。宾语补足语可以由过去分词、现在分词、形容词、副词、介词短语等充当。As teenagers grow up, they become more independent and start making their own decisions. However, during this period, it can be easy for some of them to form b

7、ad habits. These bad habits, if left unchecked, could lead to more serious ones when they become adults. For example, some of them may become involved in tobacco or alcohol abuse, which can lead to physical and mental health problems. To prevent harmful habits like these from dominating a teenagers

8、life is essential. They must learn to recognise bad habits early and make appropriate changes.Para.1主语主语To change bad habits is never easy, even with many attempts. There is a famous saying based on the philosophy of Aristotle: We are what we repeatedly do. In many ways, our lifestyle is the sum of

9、choices we have made. We make a choice to do something, and then we repeat it over and over again. Soon that choice becomes automatic and forms a habit that is much harder to change. The good news is that we can change, if we understand how habits work.Para.2不定式短语作主语不定式短语作主语过去分词作定语过去分词作定语be + adj.+不

10、定式不定式表语从句表语从句状语从句状语从句宾语从句宾语从句1.The flowers his friend gave him will die unless (water) every day. 2. Did you leave the door and the windows (fasten). 3. The boss is hard (get) along with. 4. When (give) a medical examination, you should keep calm. 5. The bad cold prevented Alice from (take) part in

11、the sports meet. 语法填空。语法填空。watered考点追击考点追击fastened to get giventakingUnit 2 Healthy LifestyleAccording to modem psychology, we must first learn about the habit cycle, which works like this: Firstly, there is a cue, an action, event, or situation that acts as a signal to do something. Secondly, there

12、 is a routine, the regular action you take in response to the cue. Thirdly, there is the reward, the good thing or feeling we get from the routine.Para.3非限定性定语主语非限定性定语主语不定式作定语不定式作定语in response to为介词短语，意为“回答；回复；对做出回应” 。例： Millions of people gave freely in response to the appeal for the victims of the

13、 earthquake. Im writing in response to the letter you wrote to me yesterday. According to modem psychology, we must first learn about the habit cycle, which works like this: Firstly, there is a cue, an action, event, or situation that acts as a signal to do something. Secondly, there is a routine, t

14、he regular action you take in response to the cue. Thirdly, there is the reward, the good thing or feeling we get from the routine.Para.3定语主语定语主语For example, when we feel unhappy (cue), we eat lots of unhealthy snacks (routine), which makes us feel happy (reward). The reward makes us much more likel

15、y to continue the cycle, and the bad habit of relying on unhealthy snacks is formed.Para.4状语从句状语从句定语从句定语从句rely on意为“依靠；信赖；指望” ，相当于rely upon，后面接名词、代词或动名词作宾语。例：We must rely on our own efforts. The wise will not rely on medicine for keeping their health. Dont rely on going abroad for our holiday, we ma

16、y not be able to afford it. rely on通常构成短语：rely onto do 指望某人做某事指望某人做某事rely on (sb. /sbs) doing 指望某人做某事指望某人做某事2. We cant rely on his / him coming in time. 1. You can rely on Peter to do whatever he promises.1. A trained dog can act a guide to a blind person. 2. He smiled in response her question. 3. The boss said we were likely (work) overtime today. 4. You cant rely on your mothers (lend) you money.5. He relied his parents advice. 语法填空。语法填空。as 考点追击考点追击to to work lendingon/uponBye-bye!