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高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle备课ppt课件
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这是一份高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle备课ppt课件，共28页。
Build up yur vcabulary
Learning bjectives
By the end f this sectin, yu will be able t:1. discver the meaning f wrds and examine hw they are used in cntext;2. understand and practise cllcatin frmatin and usage;3. understand and practise wrds in cntext.
Teenagers ften have bad habits. Mst can be stpped by taking ______________ actin. Hwever, habits like _____________ and ______________ abuse can lead t serius addictins. Accrding t mdern __________, t change bad habits, we must first analyse them using the “habit _____________ ”. T fix r imprve a bad habit, we must first find ut what the ________ is. Then we must change the ld ________ rutine t smething mre psitive. If successful, we will feel a sense f ________ and ur bad habit may disappear. Changing a bad habit is difficult and it is easy t make excuses and give up. We need t make up ur minds and shw sme _________, and make small changes ver time. There is n magic ________ t help us, but changing will ensure we have a happy and healthy life!
tbacc/alchl
alchl/tbacc
frm a habit ____________________________________change a habit _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ ____________________________________
It is gd t frm a habit f reading an English article every day.
I wuld like t change my habit f eating t much junk fd.
T prevent such a harmful habit is essential.
prevent a habit
recgnise a habit
create a habit
break a habit
If we dn’t recgnise a bad habit early, it will d harm t us.
Hw t create a gd habit is wrthy f ur cnsideratin.
I’m trying t break the habit f staying up t late.
Simply speaking, a healthy lifestyle is abut finding the right balance and making gd chices. Life is cmpsed f many elements, such as family, friends, study, wrk, entertainment, and s n. If ne element ____________ yur life and the thers are ignred, yu will lse balance and nt feel gd.Carefully _________ yur daily activities. Yur health _________ what yu chse t d in yur daily life. A healthy lifestyle is generally a balanced life in which yu make wise chices. Neither t much nr t little is gd. Slwly ___________ changes in yur lifestyle by using a step-by-step prcess. Yu d nt have t change everything at nce. Make small changes each day and yur lifestyle will becme healthier.
Discver useful structures
By the end f this sectin, yu will be able t:1. grasp the usage f the infinitive as the subject; 2. practise the usage f the infinitive as the subject thrugh ding sme exercises;3. review the usage f the infinitives as the bject, the predicative, the attribute and the adverbial.
1. T change bad habits is never easy.2. It tk the surgen three hurs t finish my mther’s lung surgery.3. T jin the Peple’s Liberatin Army, it is required fr men t shave ff their beards.4. It was nt plite t disturb yur neighburs with lud music last night.
Mre sentences frm the reading passage:Hwever, during this perid, it can be easy fr sme f them t frm bad habits.T prevent harmful habits like these frm dminating a teenager’s life is essential.After all, it is nt easy t break bad habits.
【用法】 动词不定式（短语）作主语时，一般表示具体的、个别的、一次性的或具有将来意味的动作。若动词不定式（短语）太长，常用it作形式主语而将不定式后置。【注意】 当动词不定式（短语）作主语的句子中又有一个动词不定式（短语）作表语时，不能用it作形式主语。如：T see is t believe. 眼见为实。（不可改为It is t believe t see.）
动词不定式（短语）作主语
单个动词不定式（短语）作主语，谓语用单数。 T imprve English is the mst urgent thing fr me nw.两个或两个以上的动词不定式（短语）作主语，若语义一致或基本一致，或动词不定式（短语）作为一个整体，谓语用单数。 T lve and t be lved is sweet t us.两个或两个以上的动词不定式（短语）作主语，若语义不一致，谓语用复数。 T imprve peple’s lives and t speed up scial cnstructin are tw imprtant tasks.
考点1：动词不定式（短语）作主语的主谓一致原则
It is + 形容词（+ fr sb.）+ t d sth. It is easy fr me t learn hw t drive.It is + 形容词（+ f sb.）+ t d sth. It is clever f him t leave that cmpany.It is + 名词（a pleasure/a pity/an hnr ...）+ t d sth. It’s ur duty t take care f the ld.It takes/tk sb. + sme time + t d sth. It takes me an hur t d hmewrk every day.
考点2：it作形式主语的常见句型
动词不定式（短语）和动名词（短语）都可在句中作主语， 动词不定式（短语）作主语时，在很多情况下都可用动名词（短语）替代。但是，如果作主语的动词不定式（短语）是固定说法，或表示较强烈的对比，或表示具体的、特定的情况等，通常不用动名词（短语）替代。如： T err is human, and nbdy likes a perfect persn. （不说Erring is human.) 是人都会犯错，而且谁也不喜欢完人。 T finish this jb in ne day is impssible. （某次具体情况） 在一天之内完成这项工作是不可能的。
动词不定式（短语）和动名词（短语）作主语的区别
1. imprtant / avid / passive cigarette smking It is imprtant t avid passive cigarette smking.2. will take / nutritin specialist / a balanced diet menu / make / an hur / fr yu3. useful / turn t / fitness cnsultant / fr advice4. illegal / dangerus / take / drugs5. harmful / skip breakfast / ften
It will take an hur fr a nutritin specialist t make a balanced diet menu fr yu.
It is useful t turn t a fitness cnsultant fr advice.
It is dangerus t take illegal drugs.
It is harmful t skip breakfast ften.
Suggested Answer
1. A: I’m thinking abut riding a mtrbike t schl. What d yu think? B: Oh? Well, I think it’s necessary _____________________________ first.2. A: Hw cme yu fainted suddenly yesterday? Didn’t yu eat anything in the mrning? B: I’m n a diet. A: That’s s bad! Yu knw it’s imprtant ________________________ every mrning.3. A: I ften see yu arund Central Park. B: Yes, I like ____________________ there every weekend. We usually play ball games.4. A: I hear that the new headmaster has t many things t d. B: Yes. It will be a big challenge fr him ________________________________.
t get yur parents’ permissin
t eat a gd breakfast
hanging ut with friends
t balance (his) wrk and persnal life
These days, the attitude f many peple is t just eat fd that they think tastes gd. Hwever, this can lead t an unbalanced diet, which ften results in shrt-term and lng- term health issues. If yu want t stay healthy, then yu need a balanced diet. Needless t say, it is nt always easy t plan such a diet, but the gd thing is that there is a lt f advice ut there.T save yurself sme time, yu culd try lking at a “fd pyramid” — a chart that shws yu hw much f each type f fd t eat. Yu culd als make healthy fd at hme and try t avid eating packaged fds r fast fd. It is essential fr yu t eat healthy fd. Yu will feel better, have mre energy, and have fewer health prblems in later life.
As the subject: _____ As the bject: _____ As the predicative: _____As the attribute: _____ As the adverbial: _____
It will take us abut half an hur ____________ (到达) the West Lake. In the mrning, we will visit the places f interest arund r near the West Lake, including the lake, Gu Hill, Lingyin Temple, and Lei Feng Pagda. This will be a gd chance ____________ (欣赏) the beautiful scenery as well as the histry and culture f Hangzhu. In the afternn we may ____________ (尝试) a taste f Lngjing Tea and ____________ (看电影). Fr the evening, there are many things we can chse frm, like dinner, shpping, and experiencing the lcal night life. It will be fun fr us ____________ (选择) tgether what we want t d after yu arrive.
t reach/get t
t appreciate
1. A: Hell, dctr. I want t lse weight, but I just can’t seem t d it. What can yu d t help me? B: Well, first, it’s necessary t ______________ what yu eat. Cut ut all fatty fd and sugary drinks, and eat mre fruit and vegetables.2. A: I really need t ____________ a way t exercise mre. I culd use a fitness app, but my phne’s full. B: S delete a few files. I’m sure the app desn’t take up much space.3. A: Befre exercising, always d a few warm-ups t ____________. B: I knw. But then I always feel t tired t cntinue!4. A: Shuld I g fr the pizza r the fried chicken? I hate _______________ like these. Yu knw what — I’m ging t eat bth! B: Ww! Dn’t eat t much junk fd — yu’ll get fat. I’ve actually _______________ t g n a diet, s I’ll just stick t the fruit salad.
be in cntrl f
begin with
making chices
made up my mind
Wrds and Expressins
We need t make up ur minds and ... (P16) 我们要下定决心……make up ne’s mind 下定决心拓展make up 编造；化妆；和好；组成make up fr 弥补，补偿 例句Hurry up and make up yur mind. 抓紧时间做决定。Did yu make up yur mind abut what yu’re ging t d? 你决定要做什么了吗?
Life is cmpsed f many elements, such as family, friends, study, wrk, entertainment, and s n. (P16) 生活由许多元素组成，如家庭、朋友、学习、工作、娱乐等。cmpse /kəmˈpəʊz/ vt. & vi. 组成；作曲；撰写be cmpsed f 由……组成（或构成）的搭配cmpse a sng 写歌 cmpse music 作曲cmpse neself （生气、烦躁或激动后）极力使自己平静下来 拓展 cmpser adj. 作曲家 cmpsitin n. 统治，控制；组成，构成；作品；创作，作曲；作文 例句Ten men cmpse the cmmittee. 委员会由十人组成。All living things are cmpsed f cells. 所有生物都由细胞组成。
T jin the Peple’s Liberatin Army, it is required fr men t shave ff their beards. (P17) 要加入人民解放军，男子必须剃掉胡须。shave /ʃeɪv/ vi., vt. & n. 剃（须发）；刮脸shave ff 剃掉；刮去搭配shave ne’s beard 剃胡须 shave ne’s face 刮脸 例句He’s grwn a beard t save shaving. 他留起了胡子，省得再刮脸。D yu want me t shave ff yur mustache? 您要不要我把您的胡子剃掉？
It was nt plite t disturb yur neighburs with lud music last night. (P17) 昨晚用大声的音乐打扰邻居是不礼貌的。disturb /dɪˈstɜːb/ vt. 打扰；搅乱；使烦恼拓展disturbing adj. 令人不安的，使人震惊的disturbed adj. 不安的，心烦意乱的disturbance n. 打扰，干扰；骚乱，骚动；情绪困扰，精神失常 例句I didn’t like t disturb yu. 我本不愿打扰你。The letter shcked and disturbed me. 这封信使我感到震惊和不安。
nutritin specialist (P17) 营养专家specialist /ˈspeʃəlɪst/ n. 专科医生；专家搭配 a specialist in ... ……方面的专家拓展specialise vi. 专门研究，专门从事，专攻specialised adj. 专门的，专用的 例句I made an appintment t see a specialist. 我约好去见一位专家。
skip breakfast (P17) 不吃早餐skip /skɪp/ vt. 跳过；不参加；悄悄溜走 vi. 蹦蹦跳跳地走；跳绳 n. 蹦跳搭配skip a grade 跳级 skip schl/class 逃学/逃课skip ver 跳过 g skipping 去跳绳 例句I suggest we skip t the last item n the agenda. 我建议我们跳到议程的最后一项。She skipped happily alng beside me. 她连蹦带跳，高高兴兴地跟着我走。
Build up yur vcabulary
Learning bjectives
By the end f this sectin, yu will be able t:1. discver the meaning f wrds and examine hw they are used in cntext;2. understand and practise cllcatin frmatin and usage;3. understand and practise wrds in cntext.
Teenagers ften have bad habits. Mst can be stpped by taking ______________ actin. Hwever, habits like _____________ and ______________ abuse can lead t serius addictins. Accrding t mdern __________, t change bad habits, we must first analyse them using the “habit _____________ ”. T fix r imprve a bad habit, we must first find ut what the ________ is. Then we must change the ld ________ rutine t smething mre psitive. If successful, we will feel a sense f ________ and ur bad habit may disappear. Changing a bad habit is difficult and it is easy t make excuses and give up. We need t make up ur minds and shw sme _________, and make small changes ver time. There is n magic ________ t help us, but changing will ensure we have a happy and healthy life!
tbacc/alchl
alchl/tbacc
frm a habit ____________________________________change a habit _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ ____________________________________
It is gd t frm a habit f reading an English article every day.
I wuld like t change my habit f eating t much junk fd.
T prevent such a harmful habit is essential.
prevent a habit
recgnise a habit
create a habit
break a habit
If we dn’t recgnise a bad habit early, it will d harm t us.
Hw t create a gd habit is wrthy f ur cnsideratin.
I’m trying t break the habit f staying up t late.
Simply speaking, a healthy lifestyle is abut finding the right balance and making gd chices. Life is cmpsed f many elements, such as family, friends, study, wrk, entertainment, and s n. If ne element ____________ yur life and the thers are ignred, yu will lse balance and nt feel gd.Carefully _________ yur daily activities. Yur health _________ what yu chse t d in yur daily life. A healthy lifestyle is generally a balanced life in which yu make wise chices. Neither t much nr t little is gd. Slwly ___________ changes in yur lifestyle by using a step-by-step prcess. Yu d nt have t change everything at nce. Make small changes each day and yur lifestyle will becme healthier.
Discver useful structures
By the end f this sectin, yu will be able t:1. grasp the usage f the infinitive as the subject; 2. practise the usage f the infinitive as the subject thrugh ding sme exercises;3. review the usage f the infinitives as the bject, the predicative, the attribute and the adverbial.
1. T change bad habits is never easy.2. It tk the surgen three hurs t finish my mther’s lung surgery.3. T jin the Peple’s Liberatin Army, it is required fr men t shave ff their beards.4. It was nt plite t disturb yur neighburs with lud music last night.
Mre sentences frm the reading passage:Hwever, during this perid, it can be easy fr sme f them t frm bad habits.T prevent harmful habits like these frm dminating a teenager’s life is essential.After all, it is nt easy t break bad habits.
【用法】 动词不定式（短语）作主语时，一般表示具体的、个别的、一次性的或具有将来意味的动作。若动词不定式（短语）太长，常用it作形式主语而将不定式后置。【注意】 当动词不定式（短语）作主语的句子中又有一个动词不定式（短语）作表语时，不能用it作形式主语。如：T see is t believe. 眼见为实。（不可改为It is t believe t see.）
动词不定式（短语）作主语
单个动词不定式（短语）作主语，谓语用单数。 T imprve English is the mst urgent thing fr me nw.两个或两个以上的动词不定式（短语）作主语，若语义一致或基本一致，或动词不定式（短语）作为一个整体，谓语用单数。 T lve and t be lved is sweet t us.两个或两个以上的动词不定式（短语）作主语，若语义不一致，谓语用复数。 T imprve peple’s lives and t speed up scial cnstructin are tw imprtant tasks.
考点1：动词不定式（短语）作主语的主谓一致原则
It is + 形容词（+ fr sb.）+ t d sth. It is easy fr me t learn hw t drive.It is + 形容词（+ f sb.）+ t d sth. It is clever f him t leave that cmpany.It is + 名词（a pleasure/a pity/an hnr ...）+ t d sth. It’s ur duty t take care f the ld.It takes/tk sb. + sme time + t d sth. It takes me an hur t d hmewrk every day.
考点2：it作形式主语的常见句型
动词不定式（短语）和动名词（短语）都可在句中作主语， 动词不定式（短语）作主语时，在很多情况下都可用动名词（短语）替代。但是，如果作主语的动词不定式（短语）是固定说法，或表示较强烈的对比，或表示具体的、特定的情况等，通常不用动名词（短语）替代。如： T err is human, and nbdy likes a perfect persn. （不说Erring is human.) 是人都会犯错，而且谁也不喜欢完人。 T finish this jb in ne day is impssible. （某次具体情况） 在一天之内完成这项工作是不可能的。
动词不定式（短语）和动名词（短语）作主语的区别
1. imprtant / avid / passive cigarette smking It is imprtant t avid passive cigarette smking.2. will take / nutritin specialist / a balanced diet menu / make / an hur / fr yu3. useful / turn t / fitness cnsultant / fr advice4. illegal / dangerus / take / drugs5. harmful / skip breakfast / ften
It will take an hur fr a nutritin specialist t make a balanced diet menu fr yu.
It is useful t turn t a fitness cnsultant fr advice.
It is dangerus t take illegal drugs.
It is harmful t skip breakfast ften.
Suggested Answer
1. A: I’m thinking abut riding a mtrbike t schl. What d yu think? B: Oh? Well, I think it’s necessary _____________________________ first.2. A: Hw cme yu fainted suddenly yesterday? Didn’t yu eat anything in the mrning? B: I’m n a diet. A: That’s s bad! Yu knw it’s imprtant ________________________ every mrning.3. A: I ften see yu arund Central Park. B: Yes, I like ____________________ there every weekend. We usually play ball games.4. A: I hear that the new headmaster has t many things t d. B: Yes. It will be a big challenge fr him ________________________________.
t get yur parents’ permissin
t eat a gd breakfast
hanging ut with friends
t balance (his) wrk and persnal life
These days, the attitude f many peple is t just eat fd that they think tastes gd. Hwever, this can lead t an unbalanced diet, which ften results in shrt-term and lng- term health issues. If yu want t stay healthy, then yu need a balanced diet. Needless t say, it is nt always easy t plan such a diet, but the gd thing is that there is a lt f advice ut there.T save yurself sme time, yu culd try lking at a “fd pyramid” — a chart that shws yu hw much f each type f fd t eat. Yu culd als make healthy fd at hme and try t avid eating packaged fds r fast fd. It is essential fr yu t eat healthy fd. Yu will feel better, have mre energy, and have fewer health prblems in later life.
As the subject: _____ As the bject: _____ As the predicative: _____As the attribute: _____ As the adverbial: _____
It will take us abut half an hur ____________ (到达) the West Lake. In the mrning, we will visit the places f interest arund r near the West Lake, including the lake, Gu Hill, Lingyin Temple, and Lei Feng Pagda. This will be a gd chance ____________ (欣赏) the beautiful scenery as well as the histry and culture f Hangzhu. In the afternn we may ____________ (尝试) a taste f Lngjing Tea and ____________ (看电影). Fr the evening, there are many things we can chse frm, like dinner, shpping, and experiencing the lcal night life. It will be fun fr us ____________ (选择) tgether what we want t d after yu arrive.
t reach/get t
t appreciate
1. A: Hell, dctr. I want t lse weight, but I just can’t seem t d it. What can yu d t help me? B: Well, first, it’s necessary t ______________ what yu eat. Cut ut all fatty fd and sugary drinks, and eat mre fruit and vegetables.2. A: I really need t ____________ a way t exercise mre. I culd use a fitness app, but my phne’s full. B: S delete a few files. I’m sure the app desn’t take up much space.3. A: Befre exercising, always d a few warm-ups t ____________. B: I knw. But then I always feel t tired t cntinue!4. A: Shuld I g fr the pizza r the fried chicken? I hate _______________ like these. Yu knw what — I’m ging t eat bth! B: Ww! Dn’t eat t much junk fd — yu’ll get fat. I’ve actually _______________ t g n a diet, s I’ll just stick t the fruit salad.
be in cntrl f
begin with
making chices
made up my mind
Wrds and Expressins
We need t make up ur minds and ... (P16) 我们要下定决心……make up ne’s mind 下定决心拓展make up 编造；化妆；和好；组成make up fr 弥补，补偿 例句Hurry up and make up yur mind. 抓紧时间做决定。Did yu make up yur mind abut what yu’re ging t d? 你决定要做什么了吗?
Life is cmpsed f many elements, such as family, friends, study, wrk, entertainment, and s n. (P16) 生活由许多元素组成，如家庭、朋友、学习、工作、娱乐等。cmpse /kəmˈpəʊz/ vt. & vi. 组成；作曲；撰写be cmpsed f 由……组成（或构成）的搭配cmpse a sng 写歌 cmpse music 作曲cmpse neself （生气、烦躁或激动后）极力使自己平静下来 拓展 cmpser adj. 作曲家 cmpsitin n. 统治，控制；组成，构成；作品；创作，作曲；作文 例句Ten men cmpse the cmmittee. 委员会由十人组成。All living things are cmpsed f cells. 所有生物都由细胞组成。
T jin the Peple’s Liberatin Army, it is required fr men t shave ff their beards. (P17) 要加入人民解放军，男子必须剃掉胡须。shave /ʃeɪv/ vi., vt. & n. 剃（须发）；刮脸shave ff 剃掉；刮去搭配shave ne’s beard 剃胡须 shave ne’s face 刮脸 例句He’s grwn a beard t save shaving. 他留起了胡子，省得再刮脸。D yu want me t shave ff yur mustache? 您要不要我把您的胡子剃掉？
It was nt plite t disturb yur neighburs with lud music last night. (P17) 昨晚用大声的音乐打扰邻居是不礼貌的。disturb /dɪˈstɜːb/ vt. 打扰；搅乱；使烦恼拓展disturbing adj. 令人不安的，使人震惊的disturbed adj. 不安的，心烦意乱的disturbance n. 打扰，干扰；骚乱，骚动；情绪困扰，精神失常 例句I didn’t like t disturb yu. 我本不愿打扰你。The letter shcked and disturbed me. 这封信使我感到震惊和不安。
nutritin specialist (P17) 营养专家specialist /ˈspeʃəlɪst/ n. 专科医生；专家搭配 a specialist in ... ……方面的专家拓展specialise vi. 专门研究，专门从事，专攻specialised adj. 专门的，专用的 例句I made an appintment t see a specialist. 我约好去见一位专家。
skip breakfast (P17) 不吃早餐skip /skɪp/ vt. 跳过；不参加；悄悄溜走 vi. 蹦蹦跳跳地走；跳绳 n. 蹦跳搭配skip a grade 跳级 skip schl/class 逃学/逃课skip ver 跳过 g skipping 去跳绳 例句I suggest we skip t the last item n the agenda. 我建议我们跳到议程的最后一项。She skipped happily alng beside me. 她连蹦带跳，高高兴兴地跟着我走。
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