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(共28张PPT)
Unit 2 Healthy Lifestyle
Learning about Language
Learning Objectives
By the end of the lesson, students are able to
(1)to accumulate some collocations of “verb+a habit”.
(2)to use the correct forms of some words and phrases to finish the sentences
(3)to master the usage of “infinitives as subjects”.
Teenagers often have bad habits. Most can be stopped by taking _________ action. However, habits like ________ and________ abuse can lead to serious addictions. According to modern___________， to change bad habits, we must first analyze them using the "habit________”. To fix or improve a bad habit, we must first find out what the________ is.
alcohol appropriate cue cycle negative pill psychology reward
tobacco discipline
Review the text:
Complete the summary using the words from the box below.
appropriate
tobacco
alcohol
psychology
cycle
cue
Then we must change the old ________routine to something more positive. If successful, we will feel a sense of ________ and our bad habit may disappear. Changing a bad habit is difficult and it is easy to make excuses and give up. We need to make up our minds and show some ________ and make small changes over time.
alcohol appropriate cue cycle negative pill psychology reward
tobacco discipline
Review the text:
Complete the summary using the words from the box below.
negative
reward
discipline
There is no magic ________ to help us, but changing will ensure we have a happy and healthy life!
alcohol appropriate cue cycle negative pill psychology reward
tobacco discipline
Review the text:
Complete the summary using the words from the box below.
pill
How to form a healthy lifestyle
Complete the passage using the correct forms of the words in the box.
examine dominate facilitate rely on
Simply speaking, a healthy lifestyle is about finding the right balance and making good choices.
Life is composed of many elements, such as family, friends, study, work, entertainment, and so on. If one element __________ your life and the others are ignored, you will lose balance and not feel good.
dominates
How to form a healthy lifestyle
Complete the passage using the correct forms of the words in the box.
examine dominate facilitate rely on
Carefully_______ your daily activities. Your health __________what you choose to do in your daily life. A healthy lifestyle is generally a balanced life in which you make wise choices. Neither too much nor too little is good.
examine
relies on
How to form a healthy lifestyle
Complete the passage using the correct forms of the words in the box.
examine dominate facilitate rely on
Slowly _________changes in your lifestyle by using a step-by-step process. You do not have to change everything at once. Make small changes each day and your lifestyle will become healthier.
facilitate
Part 2 Infinitives as the predicative
Look at the following sentences and pay attention to the italicised infinitives. Discuss their meanings and functions.
To change bad habits is never easy.
It took the surgeon three hours to finish my mother's lung surgery.
To join the People's Liberation Army, it is required for men to shave off their beards.
It was not polite to disturb your neighbours with loud music last night.
作主语
真正主语
形式主语
形式主语
真正主语
真正主语
形式主语
Join the words to make full sentences using the infinitive and then Join the sentences to make a paragraph. You can add your own sentences if necessary to make your paragraph more meaningful.
important/avoid/passive cigarette smoking
will take/nutrition specialist/a balanced diet menu/make /an hour/for you.
It is important to avoid passive cigarette smoking.
It will take a nutrition specialist an hour to make a balanced diet menu for you.
useful/turn to/fitness consultant/for advice
illegal /dangerous/take /drugs
It is useful to turn to a fitness consultant for advice.
It is illegal and dangerous to take drugs.
harmful /often /skip /breakfast
It is harmful to often skip breakfast.
It作为形式主语当作主语的不定式结构比较复杂时，常常用it作形式主语，而把真正的主语置于句子的后面。
It is +adj.+(for sb) to do 此处形容词修饰事物，表示事物的特征
如：easy ,difficult, comfortable, pleasant, dangerous，tiresome, interesting , fit
It is very necessary to finish the project before the New Year.
It作为形式主语当作主语的不定式结构比较复杂时，常常用it作形式主语，而把真正的主语置于句子的后面。
It is +adj.+(of sb) to do 此处形容词修饰人，指人的性质、特征或品质等
如: kind, good, nice, silly, stupid, foolish, wise, unwise, clever, careless, rude, polite, naughty
It is nice of you to come and meet me at the airport.
Complete the conversations with the correct forms of the phrases in the box.
begin with be in control of make a choice
decide on make up one’s mind
1.A: Hello, doctor. I want to lose weight, but I just can’t seem to do it.
What can you do to help me
B: Well, first, it’s necessary to ___________________ what you eat.
Cut out all fatty food and sugary drinks, and eat more fruit and
vegetables.
be in control of
Complete the conversations with the correct forms of the phrases in the box.
begin with be in control of make a choice
decide on make up one’s mind
2. A: I really need to _____________ a way to exercise more. I could use a fitness app, but my phone’s full.
B: So delete a few files. I’m sure the app doesn’t take up much space.
3. A: Before exercising, always do a few warm-ups to ___________.
B: I know. But then I always feel too tired to continue!
decide on
begin with
Complete the conversations with the correct forms of the phrases in the box.
begin with be in control of make a choice
decide on make up one’s mind
4. A: Should I go for the pizza or the fried chicken I hate ___________ like these. You know what — I’m going to eat both!
B: Wow! Don’t eat too much junk food — you’ll get fat. I’ve actually ________________ to go on a diet, so I’ll just stick to the fruit salad.
making choices
made up my mind
Join the words to make full sentences, and then join the sentences to make a paragraph.
1. important / avoid / passive cigarette smoking
It is important to avoid passive cigarette smoking.
will take / nutrition specialist / a balanced diet menu / make / an hour / for you
________________________________________________________________________________
____________________________________________________________________________
________________________________________________________________________________
It will take an hour for a nutrition specialist to make a balanced diet menu for you.
useful / turn to / fitness consultant / for advice
_____________________________________________
illegal / dangerous / take / drugs
_________________________________
harmful / skip breakfast / often
________________________________________
It is harmful to skip breakfast (too) often.
It is useful to turn to a fitness consultant for advice.
It is dangerous to take illegal drugs.
Join the words to make full sentences, and then join the sentences to make a paragraph.
It is +adj.+ for sb. to do sth.
It is +adj.+ of sb. to do sth.
It is +adj.+ for sb. to do sth.
sb.是to do sth.的逻辑主语
常用于表示事物的特征，用于此句型的形容词有：
easy, hard, difficult, possible, important, impossible, necessary, good, bad, exciting, interesting, surprising等。
It is necessary for young students to learn a foreign language.
对年轻的学生来说，学习一门外语是必要的。
It is +adj.+ of sb. to do sth.
形容词用来表示不定式的逻辑主语(sb.)的性质、特征或品德
常见的此类形容词有：
kind, nice, wise, silly, polite, impolite, friendly, foolish, clever等。
It was silly of you to give up such a good chance！
你放弃这么好的一个机会，真傻!
It is + n. + (for sb.) to do sth.
常见的名词有：
pity, shame, pleasure, one’s duty, one’s job, fun, joy, good manners, bad manners等。
It must be great fun to fly to the moon in a spaceship.
乘宇宙飞船飞往月球一定很有趣。
What a pity it is for you to have missed such a wonderful film.
真遗憾你错过了这样一个精彩的电影。
It is wrong for you _________ (skip) breakfast.
Although _________ is a hard task to protect our environment, we can't help but go ahead.
I don't think __________________________________ (你问……是不礼貌的) how long the interview will last.
____________________________ (保卫……是我们的职责) the country against its enemies.
Practice
to skip
it
it is impolite of you to ask
It's our duty to defend
语法填空
1. I've had many dreams since I was a child. Now my dream is ___________(open) a café.
2. In 1963 the UN set up the World Food Programme, one of whose purposes is ___________(relieve) worldwide starvation.
to open
3. At college, Barack Obama didn't know that he was ___________(become) the first black president of the United States of America.
to relieve
4. Perhaps one of the most important things you can do as a good neighbor is ___________(keep) your property(房产) neat, clean, and in good repair.
to become
to keep
完成句子
1. 当我13岁的时候，我唯一的目标是成为我们足球队的明星。
When I was 13 my only purpose was __________________________.
2. 这些书不应该被卖掉，最好把它们捐给学校。
These books ____________________; it's better to donate them to a school.
3. 据说他们下星期要去参加一个重要的学术会议。
It's said that ______________________________________________________
______________________________________.
4. 别担心，你需要做的就是好好睡上一觉。
Don't worry. What you need to do ______________________________.
to become the star on our football team
are not to be sold
they are to attend an important academic
conference next week
is (to) have a good sleep
完成句子
5. 每天早晨我所做的第一件事就是进行锻炼。
The first thing I do every morning __________________________.
6.他想做的最有意义的事情就是帮助穷人。
The most meaningful thing he wants to do __________________
_____________.
7. 今年，她的计划是要对教学方法进行一些变革。
This year, her plan ____________________________________
_________________________.
8. 我建议马上开始工作。
What I suggest ______________________________ at once.
is (to) take exercise
is (to) help
the poor
is to start work
is to make some changes in
the teaching method
SEE YOU NEXT TIME

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