高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle教学ppt课件

这是一份高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle教学ppt课件，共43页。PPT课件主要包含了Warming-up，overeating，Practice等内容，欢迎下载使用。

Learning Objectives
By the end f the lessn, students are able t(1)t discver the elements f the habit cycle and understand hw the habit cycle wrks(2)t find the main idea f paragraphs(3)t learn the imprtance f keeping health(4)t build up the cnfidence and ability t develp gd health habits
I think these peple feel happy and healthy, as they lk active and cheerful.
Lk ＆ discuss: What are they ding? Hw d yu think the peple feel in the phts?
They are playing the guitar.
They are ding exercise.
They are having a barbecue.
I think they are leading a healthy lifestyle because they are nt by themselves and are utside and ding exercise as well as creative activities.
Lk ＆ discuss: D yu think they are all leading a healthy lifestyle? Why r why nt?
What d yu think is a healthy lifestyle?
release stress well
have enugh sleep
exercise regularly
wrk-play balance
stay psitive
satisfy neself
What d yu think are bad habits?
nt sleeping enugh
using a phne t much
verspending
Are bad habits easy t change? Why r why nt?
Questin: What are they ding? Hw d yu think the peple feel in the phts?
Are they happy and healthy?
Pre-reading
Questin: D yu think they are all leading a healthy lifestyle? Why r why nt?
I think they are leading a healthy lifestyle because they keep ding exercise t keep healthy everyday.
Find the main idea f a paragraph
The main idea is smetimes stated in either the pening r clsing sentence. If nt, lk fr anther “standut” sentence, r summarise the paragraph in yur mind by asking yurself, “What is it mainly abut?”
While-reading
2. Listen t the text and find ut what main ideas are included in it. Tick the crrect nes.
Find the main idea f a paragraph The main idea is smetimes stated in either the pening r clsing sentence. If nt, lk fr anther “standut” sentence, r summarise the paragraph in yur mind by asking yurself, “What is it mainly abut?”
A. Hw t change a bad habit and create gd nesB. The cycle f hw habits are frmedC. Habits that can help us study betterD. Changing habits graduallyE. N easy way t change bad habitsF. What a habit isG. Why bad teenage habits shuld be changed
Match the main ideas with each f the paragraphs.
Hw t change a bad habit and create gd nesThe cycle f hw habits are frmedChanging habits graduallyN easy way t change bad habitsWhat a habit isWhy bad teenage habits shuld be changed
Para. 1Para. 2Para. 3Para. 4Para. 5Para. 6
Read the passage again and cmplete the table.
These bad habits, if unchecked, culd lead t mre serius nes when they becme adults.
We make a chice t d smething, and then we repeat it ver and ver again. Sn that chice becmes autmatic and frms a habit that is much harder t change.
…we must first learn abut the “habit cycle”,…Firstly,…Secndly,… Thirdly,…Fr example,…
We can d this by cmbining the infrmatin frm ur habit cycle with ur psitive ideas.Fr example, we culd try t replace a negative rutine with smething mre psitive.
In fact, the mst successful way t change is nt suddenly, but ver a perid f time. T reach the gal f change, a persn must shw sme discipline and repeatedly take many small steps.
Hwever, there is n “magic pill” r delete buttn that will help yu; yu have t think abut yur bad habits and decide n sme changes.
Read the text again and answer the fllwing questins.
Hw can a chice lead t a habit?What are the three stages f the habit cycle?What shuld we d t change a bad habit?Hw can a persn use discipline t help change a bad habit?
A chice can lead t a habit if we make the same chice ver and ver again.
The three stages f the habit cycle are the cue, rutine, and reward.
T change a bad habit, we shuld examine ur habit cycles and then try t adapt them.
A persn can use discipline t change a bad habit by taking many small steps t reach the gal f change.
3 What shuld we d t change a bad habit?
feel unhappy
Think f ne bad habit and write dwn the cue, rutine, and reward. Then cme up with an idea f hw t break the bad habit.
feel happier but it’s nt healthy
eat lts f unhealthy snacks
listen t sme f ur favurite music
feel relaxed
4 Hw can a persn use discipline t help change a bad habit?
5 Why did the writer write this text?6 Wh’s the intended reader? 7 Will yu use the habit cycle t break yur bad habits? Why r why nt?8. Which nes are used in the text t illustrate the tpic?A. Example.      B. Chart.C. Qute.      D. Explanatin.     E. Metaphr.
T explain a teenage prblem and suggest pssible slutins.
The intended readers are yung peple, especially teenagers. The first paragraph mainly discusses why it is easy fr teenagers t frm bad habits. The last paragragh starts with “fr yung peple…” and “yu” is used t address the reader.
An expsitry writing (说明文)
本文是一篇问题解决型说明性文体。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 shuld be changedPara. 2 What a habit isPara. 3 The cycle f hw habits are frmedPara. 4 Hw t change a bad habit and create gd nesPara. 5 Changing habits graduallyPara. 6 N easy way t change bad habits
“问题—解决”模式常用的标记性词语包括：prblem, cncern, challenge, difficulty, truble, lead t, slutin, change, measure, apprach, actin, methd, answer, respnse, result, develp, find, vercme, prevent, facilitate, deal with, cme up with, effective, successful, practical等。
habit cycle
cuewhen we feel sad
RutineWe eat a lts f unhealthy snacks
RewardWe feel happy
RutineWe listen t sme music r talking with friends
Pst-reading
Grup Discussin(5 minutes)Hw t change yur unhealthy habits
①Draw tw habit cycles f yur wn.②Prepare a shrt presentatin and then practice with yur grup membersHere are sme reference:1. T intrduce yur habit: T be hnest/Frankly speaking(坦白说), I have frmed an unhealthy habit. That is describe the habit cycle: In my case, when I ……(cue), I d ……(runtine). Therefre, I feel ……(reward).3. T shw hw t change it: Next time when I ……(cue), I will ……(runtine). Thus, I will ……(reward).
Summary: draw a mind map
healthy lifestyle
the reasns t change bad habits
what a habit is?
hw habits are frmed
hw t change bad habits and develp gd nes
n easy way t chage bad habits
Living a healthy lifestyle will nly deprive yu f pr health, laziness and fat.
1. As teenagers grw up, they becme mre independent… 此句是复合句，as teenagers grw up是时间状语从句，as表示“随着”。 eg As time went n, he gt used t living with his hst family and felt at hme. 随着时间的推移，他习惯了跟寄宿家庭生活在一起，不感到拘束了。
as还可以引导其它从句，如：
It was a clse finish, as they had predicted. 正如他们所预料的，比赛结果难分上下。The race was called ff as a hurricane struck. 由于飓风袭击，比赛被取消了。Happy as they were, there was smething missing. 尽管他们很快乐，但总缺少点什么。My sleep left me as the light left the night. 睡眠弃我而去如同光明离开黑夜。
Language Pints
2. These bad habits, if left unchecked, culd lead t mre serius nes when they becme adults. 此句为复合句。if left unchecked是条件状语从句的省略，if后面省略了they are，完整的形式为if these bad habits are left unchecked。
状语从句的省略1) 可以省略成分的状语从句：时间、条件、让步、方式。2) 状语从句省略成分的条件：从句主语与主句主语一致，或从句主语是it; 从句谓语含有be，包括系动词be、进行时态的be或被动语态的be。3) 常见的连词：when, while, nce, befre, whenever, if, unless, thugh, althugh, as, as if。4) 状语从句省略成分后常见的类型：连词+现在分词/过去分词/ 介词短语/ 形容词。eg If invlved in the case, yu will be punished.If neccessay, yu can chse me t make the presentatin.
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, yu shuld try t visit Washingtn, yu drp in at my huse this afternn if (it is) cnvenient t yu?
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 immediately.Please tell her yur feelings abut the things arund if pssible.Please let me knw hw many are cming, if any.The mst severe punishments are seldm, if ever, applied.I’d say he was mre like his father, if anything.
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 (yu are) traveling nrth, yu must change at Mscw.
1. If nt ____________ (treat) with the respect he feels due t him, Jack gets very ill-tempered and grumbles all the time.2. The medicine will wrk best if ______ (take) accrding t the instructins. 3. Yu must find yurself upset by traffic jams if _____ (live) in the centre f the city, especially during the rush hur.4. If the steps yu take are wrking, keep it up. ______ (不然), take anther lk at ther methds yu culd try.
being treated
3. T prevent harmful habits like these frm dminating a teenager’s life is essential. ▲ 此句为“主系表”结构的简单句，其中主语较长，是不定式短语T prevent harmful habits like these frm dminating a teenager’s life。
There are tw sentences in the passage which cntains the same structure: infinitive phrase is used as the subject. Lk fr them and write them dwn.
▲ T change bad habits is never easy, even with many attempts.▲ After all, it is nt easy t break bad habits.
▲ It is a great hnr t be invited t Mary’s birthday party.▲ It was impssible fr lst time t be made up.
有时为了保持句子平衡，经常将不定式短语放到句子后面，尤其当不定式形式为被动结构时。
The True Stry f Ah Q written by Lu Xun is familiar t us.He left the htel surrunded by crwds f jurnalists.Tell the children playing there (= wh are playing there) nt t make s much nise.The living rm has a brad bay windw facing (= that faces) the street.
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_________。
4. There is a famus saying based n the philsphy f Aristtle: “We are what we repeatedly d.” (Para. 2) 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。”
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.4. I was the first Western TV reprter 66 __________ (permit) t film a special unit caring fr pandas rescued frm starvatin in the wild.
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.
5. …there is a “rutine”, the regular actin yu take in respnse t the cue. 形成“惯例”，即你根据暗示采取的有规律的行动。 in respnse t: sth that is said r written r dne as a reply r reactin t sth 回答；答复；反应；响应 eg The prduct was develped in respnse t custmers’ request.
【拓展】▲ make respnse t 对……作出响应/答复 eg They have made generus respnse t the appeals fr funds. 他们对募集资金的呼吁作出了慷慨的响应。▲ make n respnse t 不回答、不回应……eg After this statement, we’ll make n respnse t divrce matters. 在此声明之后，我们将不会对离婚事宜做出任何回答。
6. …there is the “reward”, the gd thing r feeling we get frm the rutine. 有“奖励”，即我们从惯例中得到的好东西或好感觉。 reward n. smething that yu get because yu have dne smething gd r helpful r have wrked hard回报；奖励；报酬give/ ffer a reward t sb. fr sth. 为某事而给某人奖励 in reward fr 作为（对）……的奖赏、回报eg I send him a bk in reward fr his timely help.reward v. t give smething t smene because they have dne smething gd r helpful r have wrked fr it 奖励；奖赏；给以报酬
▲ reward sb. with sth. 奖赏某人某物 eg “Thank yu, sn,” she said, and she rewarded him with a cin.“谢谢你，好心人。”老妇人说着，而且她送了一枚钱币给他。▲ reward sb. fr (ding) sth. 为（做）某事奖赏某人 eg He gave the children sme chclate t reward them fr behaving 单句语法填空1) Make the extra effrt t impress the buyer and yu will ____________ (reward) with a quicker sale at a better price.2) He decided t give a reward ____ infrmatin leading t the recvery f the missing diamnd.3) The girl rewarded him _____ a smile fr his help.
be rewarded
7. …, and the bad habit f relying n unhealthy snacks is frmed. rely n: t depend n依赖；依靠； t put trust in with cnfidence 信赖rely n sb./ sth. t d sth. 依靠或信赖某人/ 某物做某事rely n it that… 相信……, 指望……(rely n后面跟从句时，先接it再接that。) eg Children tend t rely n cncerned schl friends t keep in tuch with schl wrk. Yu may rely n it that he will cme t meet yu.
1) 许多职业母亲依靠亲戚来帮她们照看孩子。 Many wrking mthers rely n relatives t help take care f their children.2) 我仅能依靠的是他能告诉我事实真相。 I nly rely n it that he can tell me the fact.
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).(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).
8. 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). (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）。
(t) telephne
It was the culture, rather than the language, that made it hard fr him t adapt t the new envirnment abrad.
翻译：____________________________________________________________________________________
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。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。
Driverless cars may end up being a frm f public transprt ____________ (而不是) vehicles yu wn, says Ryan Cal at Stanfrd University, Califrnia. She likes keeping things rather than t thrw 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
9. Fr example, when we cme t an escalatr (cue), ur nrmal rutine is t ride it, but we culd change this rutine int smething mre psitive by taking the stairs instead. ▲这是一个由but连接的并列句。 ▲前半部分是含有when引导时间状语从句的复合句，其中的不定式短语t ride it作表语。 ▲后半句中的by短语作方式状语。
Imitate and translate the sentence int English.
过去我学英语的最大困难是开口说，但是通过参加英语俱乐部我让这件事变得容易多了。In the past, my biggest difficulty in learning English was t pen my muth t speak, but I changed it easier by taking part in an English club.
10. … if we are nt successful straight away, we ften becme pessimistic and give up.
straight away: immediately r withut delay 立即；马上eg I culd never lie t my mther because she’d see thrugh me straight away.
【拓展】cme/ get straight t the pint 开门见山 g straight hme 直接回家g straight n 一直往前走earn/ get straight A’s 得全优成绩get sth. straight （口语）弄清楚某事
11. In fact, the mst successful way t change is nt suddenly, but ver a perid f time. ▲这是一个含有“nt…but…”结构的简单句。 ▲句中的不定式短语t change作定语，修饰way。
Translate the sentences int Chinese.
The value f life lies nt in the length f days, but in the use that we make f them.生命的价值不在于其长短，而在于我们如何利用它。My teacher influenced my decisin t study science.我的老师对我学理科的决定起了影响作用。