人教版（2019）选择性必修第三册Unit 2 Healthy Lifestyle Reading and Thinking 语言点课件(共17张PPT)

(共17张PPT)
1._____ teenagers grow up, they become 2.______ independent and start making their own decisions. However, during this period, it can be easy for some of them3._____form bad habits. These bad habits, if 4._____ unchecked, could lead to more serious 5._____ when they become adults. For example, some of them may become 6._______ in tobacco or alcohol abuse, 7._____ can lead to physical and mental health problems. To prevent harmful habits like these 8._______ dominating a teenager's life is essential. They must learn to recognise bad habits early and make 9.________(恰当的 )changes.
left unchecked
become / be / get involved in★
tobacco / alcohol abuse
lead to physical and mental health problems / issues
置之不理/放任不管
卷人;参与;与……有关联
过度吸烟/饮酒
造成身心健康问题
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。
Important sentences (P14)
此处是 if 条件状语从句省略结构，完整的形式为 ___________________
______________.
These bad habits, if left unchecked, could lead to more serious ones when they become adults. (Para. 1)
if these bad habits are
left unchecked
Think and find
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.
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.
Important sentences (P14)
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
To change bad habits1._____ never easy, even 2.______ many attempts. There is a famous saying 3.______ the philosophy of Aristotle: "We are what we repeatedly do. " 4._______(在许多方面）, our lifestyle is the sum of choices we have made. We make a choice 5.______ do something, and then we repeat it over and over again. Soon that choice 6._______automatic and 7._______ a habit that is much harder to change. The good news is 8.________ we can change, if we understand 9._______ habits work.
The True Story of Ah Q written by Lu Xun is familiar to us.
The city surrounded by mountains is my hometown.
Tell the children playing there (= who are playing there) not to make so much noise.
They lived in a room facing (= that faced) the south.
Important sentences (P14)
based on在句中是过去分词短语作___________，放在被修饰的名词后面，它的作用相当于一个_________。
There is a famous saying based on the philosophy of Aristotle: “We are what we repeatedly do.” (Para. 2)
后置定语
定语从句
有一条基于亚里士多德哲学思想的著名谚语说道：“重复的行为造就了我们。”
Important sentences (P14)
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: Important sentences (P14)
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
即学即练
To 1.________(促进)a positive change in our bad habits, we must first 2.______(审视) our bad habit cycles and then try 3.______(调整) them. We can do this by 4.______(combine) the information from our habit cycles 5._______ our own positive ideas. For example, we could try to replace a negative routine with something more positive. So, when we feel unhappy again (cue), rather than 6._____(eat)snacks, we could listen to some of our favourite music instead (routine) ,which will make us feel 7._______ (relax). 8.______(除了) changing bad habits, we can also use the habit cycle to create good habits.
用括号内所给词的正确形式填空。
(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 go camping.
(4) The sweater she bought was beautiful rather than ______ (cheaply).
(5) She enjoys singing rather than __________ (dance).
Important sentences (P15)
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）。
lose
sailor
are
cheap
dancing
(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).
Important sentences (P15)
rather than 后接不定式时，不定式可以带 to，也可以不带 to。但当rather than 位于句首时，则只能接不带 to 的不定式。
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
in
(to) telephone
walking
Driverless cars may end up being a form of public transport ____________ (而不是) vehicles you own, says Ryan Calo at Stanford University, California.
She likes keeping things rather than to throw them away. （改错）
是文化而不是语言使他难以适应国外的新环境。 (强调句)
rather than
throwing
翻译：________________________________________________________________________________________________________________
即学即练
Important sentences (P15)
It was the culture, rather than the language, that made it hard for him to adapt to the new environment abroad.
Many of us try to 1._______(改变) bad habits quickly, and if we are not 2.________(success) straight away, we often become pessimistic and give up. In fact, the most successful way 3.______ change is not suddenly, but 4.____ a period of time. 5.____ the Chinese philosopher Lao Zi wrote, “A journey of a thousand miles begins with a single step.” One step seems small, but it is essential. 6._____ reach the goal of change, a person must show some discipline and 7._______(repeat) take many small steps. After all, 8.______ is not easy to break bad habits.
Important sentences (P15)
As the Chinese philosopher Lao Zi wrote, “ A journey of a thousand miles begins with a single step.” (Para 5)
(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.
正如中国哲学家老子所说：“千里之行，始于足下。”
Translate
Important sentences (P15)
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 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。
As
which
as
which
Compare and Find
become / be involved in
tobacco or alcohol abuse
physical and mental health
act as
in response to
6 rely on
7 facilitate a positive change
8 take the stairs
9 straight away
10 delete button
11 decide on
1
2
3
4
5