人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle课文ppt课件

这是一份人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle课文ppt课件，共36页。PPT课件主要包含了目录页，Are，Readers，Excellent等内容，欢迎下载使用。

Pre-reading
Language Pints
While-reading
Pst-reading
What and hw many bad habits d yu have?
study-play balance
Have yu ever tried t crrect a bad habit? Hw? What was the result?
 Read the text quickly. Wrk in pairs and check yur answers.  Try t guess what main ideas might be included in the passage and put them in rder.
N easy way t change bad habits
Hw t change a bad habit and create gd nes
Habits that can help us study better
Changing habits gradually
The cycle f hw habits are frmed
What a habit is
Why bad teenage habits shuld be changed
nt included
Hw many parts can the passage mainly be divided int?
The structure f this passage
Why bad teenage habits shuld be changed (Para. 1)
What a habit is and hw t change bad habits (Para. 2 ~ 5)
N easy way t change bad habits (Para. 6)
(Why, What, Hw)
Read again and think abut the fllwing questins.1. Hw can a chice lead t a habit?2. What are the three stages f the habit cycle? Hw des it wrk?3. What shuld we d t change a bad habit? Think f ne bad habit and then cme up with an idea f hw t break the bad habit.
A chice can lead t a habit if we make the same chice ver and ver again.
1. Hw can a chice lead t a habit?
2. What are the three stages f the habit cycle? Hw des it wrk?
• Firstly, there is a “cue”, an actin, event, r a situatin that acts as a signal t d smething.• Secndly, there is a “rutine”, the regular actin yu take in respnse t the cue.• Thirdly, there is the “reward”, the gd thing r feeling we get frm the rutine.
3. What shuld we d t change a bad habit? Think f ne bad habit and then cme up with an idea f hw t break the bad habit.
T change a bad habit, we shuld examine ur habit cycles and then try t adapt them.Break the habit: Chew gum, get a stress ball r fidget spinner t hld, wear glves r stickers n yur nails.
1. Write ne f yur bad habits and the new habit yu want t develp. Exchange with yur partner and give suggestins.2. D yu knw any alternative ways t better habits? Which ne d yu think is mst effective?
Wrk in grups and discuss the fllwing questins.
A change in bad habits leads t a change in life.
A healthy utside starts frm the inside.— Rbert Urich
作为对……的反应 / 响应
Language Pints: Imprtant phrases (P14 ~ P15)
参与；卷入；与……有关联
Language Pints : Imprtant sentences (P14 ~ P15)
1. These bad habits, if left unchecked, culd lead t mre serius nes when they becme adults. (P14)2. There is a famus saying based n the philsphy f Aristtle: “We are what we repeatedly d.” (P14)3. S, when we feel unhappy again (cue), rather than eat snacks, we culd listen t sme f ur favurite music instead (rutine), which will make us feel relaxed (reward). (P15)4. As the Chinese philspher La Zi wrte, “A jurney f a thusand miles begins with a single step.” (P15)
If (yu are) traveling nrth, yu must change at Mscw. Experts warn that medical waste frm hspitals, if (it is) nt handled prperly, may lead t the spread f diseases.
Language Pints: Imprtant sentences (P14)
此处是 if 引导_________________，完整的形式为 ___________________________________.
if + 现在分词
1. These bad habits, if left unchecked, culd lead t mre serius nes when they becme adults. 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。(P14)
Analyse and Summarise
if these bad habits are
left unchecked
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) pssible, he will help yu ut f the difficulty. Yu must attend the meeting if (it is) cnvenient t yu.
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。
3) if 省略结构的固定结构： It sunds like smething is wrng with the car’s engine. If s, we’d better take it t the garage immdediately. I want t avid the rush hur traffic if pssible. Crrect the errrs, if any. She seldm, if ever, ges t the cinema. I’d say he was mre like his father, if anything.
if + s / nt: if s 如果是这样的话； if nt 不然if + adj: if necessary / pssible 如果必要的话 / 如果可能的话if any 如果有的话if ever：几乎if anything 要是有什么的话
1. The medicine will wrk best if ______ (take) accrding t the instructins. 2. Yu must find yurself upset by traffic jams if _____ (live) in the centre f the city, especially during the rush hur.3. If the steps yu take are wrking, keep it up. ________ (不然), take anther lk at ther methds yu culd try.
The True Stry f Ah Q written by Lu Xun is familiar t us. The city surrunded by muntains is my hmetwn. Tell the children playing there (= wh are playing there) nt t make s much nise. They lived in a rm facing (= that faced) the suth.
based n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_________。
2. There is a famus saying based n the philsphy f Aristle: “We are what we repeatedly d.” 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。”(P14)
1. 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。2. 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）。
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。3. Apart frm the urgent prblems _________ (cause) by wars and cnflicts, the UN helps cuntries with ther prblems such as lack f educatin, lack f fd, pverty, disasters and disease.
Sme f them, brn and brught up in rural villages, had never been t Beijing.
The meeting (which is) being held nw is very imprtant.
用括号内所给词的正确形式填空。(1) She’d rather die than _____ (lse) the children.(2) He is an explrer rather than a _______ (sail).(3) Yu rather than I _____ (be) ging t g camping.(4) The sweater she bught was beautiful rather than ______ (cheaply).(5) She enjys singing rather than __________ (dance).
Language Pints: Imprtant sentences (P15)
3. S, when we feel unhappy again (cue), rather than eat snacks, we culd listen t sme f ur favurite music instead (rutine), which will make us feel relaxed (reward). 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）。 (P15)
(6) We will have the meeting in the classrm rather than ____ the great hall.(7) I decide t write rather than ________________ (telephne).(8) He came running rather than ______________ (walk).
1. rather than 后接不定式时，不定式可以带 t，也可以不带 t。但当rather than 位于句首时，则只能接不带 t 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。
(t) telephne
1. Driverless cars may end up being a frm f public transprt ____________ (而不是) vehicles yu wn, says Ryan Cal at Stanfrd University, Califrnia. (2017 天津改)2. She likes keeping things rather than t thrw them away. (单句改错)3.是文化而不是语言使他难以适应国外的新环境。(2014 福建) (强调句)（翻译句子）
rather than
It was the culture, rather than the language, that made it hard fr him t adapt t the new envirnment abrad.
翻译本句：__________________________________________
4. As the Chinese philspher La Zi wrte, “ A jurney f a thusand miles begins with a single step.” (P15)
(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 annunced n the schl radi, the sprts meet will be held next mnth.
As I have pinted ut, it is imprtant t include vegetables in ur diet.
正如中国哲学家老子所说：“千里之行，始于足下。”
用 which 或 as 填空。1. ______ yu knw, if yu d the same thing ver and ver again, yu begin t d it autmatically.2. And ur prters carry yur luggage, ______ means that yu can simply enjy the experience.3. Smking is harmful t ne’s health, ______ is knwn t us all.4. It was raining heavily last night, _______ prevented me frm ging t 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。
which
Cmpare and Find