Unit 2 Healthy Lifestyle Reading and Thinking 课件(共32张PPT，内镶嵌视频)-人教版选（2019）择性必修第三册

(共32张PPT)
Reading and Thinking
Learn to develop good health habits
UNIT 2 Healthy Lifestyle
To talk about how to correct bad habits
To read a text to know how to change bad habits
To use knowledge from the text to analyze and break a bad habit
Lead-in
Watch a video: What is a healthy lifestyle
Lead-in
What is a healthy lifestyle
What is a healthy lifestyle
_________ health
make you feel stronger
_________ health
make you feel happier
physical
mental
Eat nutritious food
Do exercise regularly
Reduce bad living habits
……
Ask for help if necessary
Talk to somebody
Relax when necessary
……
Lead-in
Discuss the following questions
How do you think the people feel in the photos
Do you think they are all leading a healthy lifestyle Why or why not
Lead-in
Discuss the following questions
How do you think the people feel in the photos
Do you think they are all leading a healthy lifestyle Why or why not
I think these people feel happy and healthy, as they look active and cheerful.
I think they are leading a healthy lifestyle because they are not by themselves and are outside and doing exercise as well as creative activities.
Pre-reading
Before you read, discuss these questions in groups.
1. Are bad habits easy to change Why or why not
2. Have you ever tried to correct one bad habit How
What was the result
Bad habits are hard to change because we are usually doing something we really like, but we are doing it too much.
Pre-reading
3. What habits do you think are unhealthy
Unhealthy habits include smoking, eating too much, playing too much on your computer or phone, and not doing enough exercise.
Before you read, discuss these questions in groups.
Pre-reading
Before you read, discuss these questions in groups.
4. What can you do to correct these bad habits
I think people can correct these bad habits by thinking about them more and deciding they will feel better and happier if they stop them.
do more exercises
While-reading
First, read the tips about how to find the main idea of a paragraph.
The main idea is sometimes stated in either the opening or closing sentence. If not, look for another “standout” sentence, or summarise the paragraph in your mind by asking yourself, “What is it mainly about ”
Find the main idea of a paragraph
While-reading
Read the text and find out what main ideas are included in it. Tick the correct ones.
How to change a bad habit and create good ones (Para. _____)
The cycle of how habits are formed (Para. _____)
Habits that can help us study better (Para. _____)
Changing habits gradually (Para. _____)
No easy way to change bad habits (Para. _____)
What a habit is (Para. _____)
Why bad teenage habits should be changed (Para. _____)
4
3
5
6
2
1
While-reading
Finish the text structure.
The text can be divided into 3 parts.
Para. _______ Why bad teenage habits should be changed
Paras. _______ What a habit is and how to change bad habits
Para. _______ No easy way to change bad habits
1
2 to 5
6
While-reading
Read the text again and answer the questions.
1 How can a choice lead to a habit
2 What are the three stages of the habit cycle
A choice can lead to a habit if we make the same choice over and over again.
The three stages of the habit cycle are the cue, routine, and reward.
While-reading
Read the text again and answer the questions.
3 What should we do to change a bad habit Give an example by filling in the following table.
To change a bad habit, we should examine our habit cycles and then try to adapt them.
The habit cycle Bad habit New habit
Cue
Routine
Reward
feel unhappy
feel unhappy
eat lots of unhealthy snacks
listen to some of our favourite music
feel happier but it’s not healthy
feel relaxed
While-reading
Read the text again and answer the questions.
4 How can a person use discipline to help change a bad habit
5 Will you use the habit cycle to break your bad habits Why or why not
A person can use discipline to change a bad habit by taking many small steps to reach the goal of change.
I will use the habit cycle to break a bad habit of using my phone too much because I want to spend more time reading books and playing sports.
Post-reading
本文是一篇问题解决型说明性文本。作者按照“提出问题—分析问题—解决问题—总结”的脉络，介绍改变不良生活习惯、养成良好生活习惯的原理和方法。
Para. 1 Why bad teenage habits should be changed
Para. 2 What a habit is
Para. 3 The cycle of how habits are formed
Para. 4 How to change a bad habit and create good ones
Para. 5 Changing habits gradually
Para. 6 No easy way to change bad habits
—提出问题
—分析问题
—解决问题
—总结
Post-reading
“问题—解决”模式常用的标记性词语包括：
problem, concern, challenge, difficulty, trouble, lead to, solution, change, measure, approach, action, method, answer, response, result, develop, find, overcome, prevent, facilitate, deal with, come up with, effective, successful, practical等。
Post-reading
Fill in the blanks with the vocabulary from the article (para. 1)
As teenagers ________, they become more ____________ 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 _________ more serious ones when they become adults. _____________, some of them may become involved in _______ or _____________, which can lead to _________ and mental health problems. To prevent harmful habits like these from ____________ a teenager’s life is essential. They must learn to recognize bad habits early and make ___________ changes.
grow up
independent
For example
tobacco
alcohol abuse
physical
dominating
appropriate
lead to
Post-reading
Fill in the blanks with the vocabulary from the article (para. 4)
To ________ a positive change in our bad habits, we must first _______ our bad habit cycles and then try to _______ them. We can do this by ___________ the information from our habit cycles ____ our own positive ideas. For example, we could try to replace a _________ routine with something more positive. So, when we feel unhappy again (cue), ___________ eat snacks, we could listen to some of our favorite music instead (routine), which will make us feel relaxed (reward). __________ changing bad habits, we can also use the habit cycle to create good habits. For example, when we come to an _________ (cue), our ______________ is to ride it, but we could change this routine into something more positive by taking the stairs instead.
facilitate
adapt
examine
negative
rather than
Aside from
escalator
normal routine
combining
with
Language Points
1 become / be involved in
2 tobacco or alcohol abuse
3 physical and mental health
4 act as
5 in response to
吸烟成瘾或酗酒
身心健康
充当；起……的作用
作为对……的反应/响应
参与；卷入；与……有关联
Language Points
6 rely on
7 facilitate a positive change
8 take the stairs
9 straight away
10 delete button
11 decide on
删除键
决定；选定
立刻；马上
走楼梯
依靠；依赖
促进积极的改变
Language Points
These bad habits, if left unchecked, could lead to more serious ones when they become adults. (Para. 1)
如果任其发展，在他们长大成人后，这些不良习惯可能会导致更为严重的有害习惯。
此处是 if 条件状语从句省略结构，完整的形式为 ______________
______________________.
if these bad
habits are left unchecked
Think and find
1) 在if 引导的条件状语从句中，如果从句的主语和主句的主语一致，同时从句谓语动词含有 be 动词，则可省略从句的主语和 be 动词。
If (you are) traveling north, you must change at Moscow.
Language Points
Think and find
2) 在if 引导的条件状语从句中，当状语从句的主语是 it，且谓语动词是be 时，it 和 be 可以省略。
If (it is) possible, he will help you out of the difficulty.
You must attend the meeting if (it is) convenient to you.
3) if 省略结构的固定结构：
It sounds like something is wrong with the car’s engine. If so, we’d better take it to the garage immediately.
I want to avoid the rush hour traffic if possible.
Correct the errors, if any.
She seldom, if ever, goes to the cinema.
I’d say he was more like his father, if anything.
Language Points
即学即练
The medicine will work best if ______ (take) according to the instructions.
You must find yourself upset by traffic jams if ______ (live) in the centre of the city, especially during the rush hour.
If the steps you take are working, keep it up. ________ (不然), take another look at other methods you could try.
taken
living
If not
Language Points
过去分词作定语时，过去分词所表示的动作可以在谓语所表示的动作之前发生，也可以没有一定的时间性。
作定语的现在分词所表示正在进行的动作（变为从句时要用进行时态），或表示经常性的动作，或现在（或当时）的状态（变为从句时, 用一般时态）。
补充说明
Language Points
即学即练
1. 他们中的一些人，在农村出生并长大，从没到过北京。
2. 正在召开的这个会议很重要。
Apart from the urgent problems _________ (cause) by wars and conflicts, the UN helps countries with other problems such as lack of education, lack of food, poverty, disasters and disease.
Some of them, born and brought up in rural villages, had never been to Beijing.
The meeting (which is) being held now is very important.
caused
Language Points
So, when we feel unhappy again (cue), rather than eat snacks, we could listen to some of our favourite music instead (routine), which will make us feel relaxed (reward). (Para. 4)
因此，当我们再次感到不高兴时（触发因素），我们可以听几首自己最喜爱的音乐（惯常行为），而不是吃零食，这会使我们感到放松（回报）。
用所给动词的正确形式填空：
(1) She’d rather die than ________ (lose) the children.
(2) He is an explorer rather than a _______ (sail).
(3) You rather than I ______ (be) going to camping.
(4) The sweater she bought was beautiful rather than _______ (cheaply).
(5) She enjoys singing rather than _______ (dance).
lose
sailor
are
cheap
dancing
Language Points
(6) We will have the meeting in the classroom rather than ____ the great hall.
(7) I decide to write rather than ________________ (telephone).
(8) He came running rather than ______________ (walk).
in
(to) telephone
walking
1. rather than后接不定式时，不定式可以带 to，也可以不带 to。当rather than 位于句首时，则只能接不带 to 的不定式。
2. rather than连接的并列成分可以是名词、代词、形容词、介词短语、动名词、分词、不定式及动词等。rather than 连接两个名词或代词作主语时，谓语动词应与 rather than 前面的名词或代词在人称和数上保持一致。
Summary
Language Points
1. Driverless cars may end up being a form of public transport ____________ (而不是) vehicles you own, says Ryan Calo at Stanford University, California.
2. She likes keeping things rather than to throw them away. （改错）
3. 是文化而不是语言使他难以适应国外的新环境。 (强调句)
即学即练
翻译：__________________________________________________________________________________________________________
rather than
throwing
It was the culture, rather than the language, that made it hard for him to adapt to the new environment abroad.
Language Points
As the Chinese philosopher Lao Zi wrote, “ A journey of a thousand miles begins with a single step.” (Para 5)
正如中国哲学家老子所说：“千里之行，始于足下。”
Translate
(1) 学校广播宣布，运动会将于下月举行。
(2) 正如我所指出的，日常饮食包含蔬菜很重要。
As is announced on the school radio, the sports meet will be held next month.
As I have pointed out, it is important to include vegetables in our diet.
Language Points
Compare and Find
用 which 或 as 填空。
______ you know, if you do the same thing over and over again, you begin to do it automatically.
And our porters carry your luggage, ______ means that you can simply enjoy the experience.
Smoking is harmful to one’s health, ______ is known to us all.
It was raining heavily last night, _______ prevented me from going to the party.
As
which
as
which
as 引导的非限制性定语从句可置于主句前，而 which 则不能；
as 引导的非限制性定语从句有“正如”之意，而 which 没有此意。