高考英语复习第1部分Unit3Ahealthylife教学案（含解析）新人教版

Unit 3 A healthy life
[单词单词单词 拼写应用拼写应用] ]
核心单词核心单词
1．abuse n .& vt 滥用；虐待滥用；虐待
2．ban vt .禁止；取缔禁止；取缔
n ．禁令；谴责．禁令；谴责
3．due adj .欠款的；预定的；到期的欠款的；预定的；到期的
4．tough adj 困难的；强硬的困难的；强硬的 5．quit vt .停止停止((做某事做某事))；离开；离开
6．cigarette n ．香烟；纸烟．香烟；纸烟 7．accustom vt .使习惯于使习惯于
8．accustomed adj .惯常的；习惯了的惯常的；习惯了的 9．unfit adj .不健康的；不合适的；不合格的不健康的；不合适的；不合格的 10．desperate adj .绝望的；拼命的绝望的；拼命的
[语境运用语境运用] ] ] 用所给词的适当形式填空。

用所给词的适当形式填空。

用所给词的适当形式填空。

1．Having_abused (abuse) his position as mayor to give jobs to his friends ，Williams is now under investigation.
2．In the questionnaire questionnaire，，the subjects are questioned whether they advocate banning (ban) cars in the city center.
3．She quit(quit) her job without having a discussion with her parent. 4．A great many teenagers became accustomed(accustom) to playing computer games games，，wasting their precious time.
5．The man had so little education that he was unfit(fit) for this job. 拓展单词拓展单词
1．automatic adj .无意识的；自动的→无意识的；自动的→automatically automatically adv .无意识地；自动地无意识地；自动地 2．mental adj .精神的；智力的→精神的；智力的→mentally mentally adv .精神上；智力上→精神上；智力上→physical physical adj .(.(反义反义
词)身体的；肉体的身体的；肉体的
3．breath n ．呼吸→．呼吸→breathe breathe v ．呼吸→．呼吸→breathless breathless adj .气喘吁吁的；屏息的气喘吁吁的；屏息的
4．strength n ．力气，力量；强项→．力气，力量；强项→strengthen strengthen vt .加强；巩固；使坚强加强；巩固；使坚强 vi .变强变强
5．disappoint vt .使失望；使扫兴→使扫兴→disappointed disappointed adj .失望的；沮丧的→沮丧的→disappointing disappointing adj .令人失望的→令人失望的→disappointment disappointment n ．失望；沮丧．失望；沮丧
6．relax v ．使放松→使放松→relaxed relaxed adj .轻松的→轻松的→relaxing relaxing adj .使人放松的→使人放松的→relaxation relaxation
n ．放
松；松弛松；松弛
7．weak adj .虚弱的→虚弱的→weakness weakness n ．弱点→弱点→weaken weaken vi .(.(对某事的决心对某事的决心对某事的决心))动摇；减弱减弱 vt .(.(使使)
变弱变弱
8．legal adj .合法的→合法的→illegal illegal adj .(.(反义词反义词反义词))不合法的；违法的不合法的；违法的
9．judge n ．裁判员；法官．裁判员；法官 vt .断定；判断；判决→断定；判断；判决→judgement judgement n ．看法；判决；判断．看法；判决；判断 10．embarrass v ．使尴尬；使局促不安；使困窘→．使尴尬；使局促不安；使困窘→embarrassed embarrassed adj .尴尬的；陷入困境的→的→embarrassment embarrassment n ．窘迫，难堪．窘迫，难堪
11．addict vt .使上瘾使上瘾 n ．有瘾的人→有瘾的人→addicted addicted adj .入了迷的；上了瘾的→上了瘾的→addiction addiction n ．沉溺；嗜好→溺；嗜好→addictive addictive adj .使人上瘾的使人上瘾的
12．effect n ．结果；效力；影响→．结果；效力；影响→effective effective adj .有效的；有影响的→有效的；有影响的→affect affect
vt .影响
13．stress n ．压力；重音．压力；重音 vt .加压力于；使紧张→加压力于；使紧张→stressful stressful adj .产生压力的；紧张的→的→stressed stressed adj .焦虑不安的焦虑不安的
14．shame n ．羞耻；羞愧→．羞耻；羞愧→shameful shameful adj .可耻的；不道德的→可耻的；不道德的→shameless shameless adj .无耻的；厚颜的→厚颜的→ashamed ashamed adj .感到惭愧或羞耻的感到惭愧或羞耻的
[语境运用语境运用] ] ] 用所给词的适当形式填空。

用所给词的适当形式填空。

用所给词的适当形式填空。

1．Tom's parents are worried that he is addicted to the computer games w hich which are addictive to children.(addict)
2．Yesterday Yesterday，，I climbed to the mountain top to breathe the fresh air.Although I became breathless when I was on the top top，，the
breath of fresh air was worth it.(breath) 3．After hearing some relaxing music music，，she felt quite relaxed relaxed，，and there was relaxed expression on her face.(relax)
4．As we all know ，everyone has both strengths and weaknesses ．Therefore Therefore，，we shouldn't look down upon whoever looks weak ．(weaken)
5．After a stressful week of work work，，all
the employees were extremely stressed and tired.They complained that few could work efficiently under stress ．(stress)
6．You should be ashamed of your shameful behaviors or you will be a shameless man.(shame)
7．To my parents' disappointment disappointment，，
my disappointing math grade greatly disappointed my parents ，and their disappointed look urged me to study harder then.(disappoint) 阅读词汇阅读词汇
1．lung n ．肺．肺 2．pregnant adj .怀孕的怀孕的
3．abnormal a dj adj 畸形的；异常的畸形的；异常的
4．packet n . 小包；小盒小包；小盒 5．comprehension n . 理解理解((力) 6．pill n ．药丸；药片．药丸；药片
7．needle n ．针；．针；((注射器的注射器的))针头针头 8．prejudice n ．偏见；成见．偏见；成见 9．abortion n ．流产；中途失败．流产；中途失败 10．awkward a dj adj .局促不安的；笨拙的局促不安的；笨拙的 11．immune adj .有免疫力的有免疫力的
拓展联想拓展联想
1.否定前缀un 高频形容词一览高频形容词一览 ①unfit 不合适的不合适的 ②unfair 不公平的不公平的 ③unusual 不寻常的不寻常的 ④unfriendly 不友好的不友好的 ⑤unfortunate 不幸的不幸的 ⑥uncomfortable 不舒服的不舒服的不舒服的 ⑦unimportant 不重要的不重要的不重要的 ⑧uncertain 不确定的不确定的不确定的
2.en 后缀高频动词集锦后缀高频动词集锦 ①weaken 削弱削弱 ②shorten 缩短缩短 ③lessen 减少减少 ④sharpen 削尖削尖 ⑤broaden 加宽加宽加宽 ⑥lighten 减轻减轻 ⑦threaten 恐吓恐吓
恐吓 ⑧frighten 使惊吓使惊吓使惊吓 3.“结果，影响”家族.“结果，影响”家族
①effect n ．结果；效力，影响．结果；效力，影响
②result n ．结果，效果．结果，效果
③outcome n ．结果．结果
④consequence n ．结果，后果．结果，后果 ⑤impact n ．影响，作用．影响，作用
⑥influence n ．影响，作用．影响，作用
熟词生义熟词生义
你知道下面句子中黑体词的汉语意思吗？你知道下面句子中黑体词的汉语意思吗？
1．Jane Clark, fair h aired, blue haired, blue haired, blueeyed and eyed and t ough tough as steel, has just won the most difficult race in the world. 坚强的；坚韧的坚强的；坚韧的
2．Finally Finally，，we want to stress that the same general prospective approach is now being used to identify cancer stem cells.强调；强调说强调；强调说
[短语短语短语 多维应用多维应用] ]
高 频 短 语 1.get_into 陷入；染上陷入；染上((坏习惯)
2．throw_away 扔掉扔掉
扔掉 3．in_spite_of 不顾；不管不顾；不管不顾；不管 4．at_risk 处境危险；遭受处境危险；遭受危险危险
5．decide_on 对……作出决对……作出决定
[语境运用语境运用] ] ] 选用左边短语的适当形式填空。

选用左边短语的适当形式填空。

选用左边短语的适当形式填空。

Xiao Ming is a senior high student.He ①got_into smoking two years ago ②in_spite_of
his friends' objection.If he doesn't ③decide_on whether he will ④throw_away his cigarettes cigarettes，，he will be
⑤at_risk being dismissed by school.He begins to worry about that.
6．due_to 由于……由于…… 7．be/become_addicted_to 对……有瘾对……有瘾
8．be/get_accustomed_to 习惯于……惯于……
9．feel_like_(doing) 想要想要(做)…………
10．take_risks_(a_risk) 冒险
[语境运用语境运用] ] ] 选用左边短语的适当形式填空。

选用左边短语的适当形式填空。

选用左边短语的适当形式填空。

Fortunately Fortunately，，his English teacher found that
he really ⑥felt_like quitting smoking.With his teacher's help ，he gradually ⑦became less ⑧addicted_to nicotine.After three months' struggle ，Xiao Ming finally ⑨
was/got_accustomed_to the new life without cigarettes.
拓 展
联 想
1get 短语短语 ①get into 陷入；染上入；染上((坏习惯)；养成；养成
②get
across(across(使使)通过；过；((使)被理解被理解 ③get along with 进展；相
进展；相④get away 逃脱；离开 ⑤get over 爬过；爬过；越过；克服克服((困难困难))；痊愈；痊愈
⑥get through 完成；完成；通过；接通过；接通((电话电话))；熬过；熬过 ⑦get down to
开始做……做……
2“at ＋名词”构成的短语串
烧
①at risk 处境危险处境危险处境危险 ②at length 最后最后 ③at cost 按成本按成本
④at present 目前；现在目前；现在 ⑤at ease 安逸；自在；无拘无束拘无束
⑥at work 在工作在工作
在工作
处
[句式句式 结构仿写结构仿写] ]
教材原句背诵教材原句背诵
句式仿写应用句式仿写应用
1.as 引导定语从句。

引导定语从句。

As you know ，if you do the same thing over and over again again，，you begin to do it automatically.
(2017·北京卷北京卷))正如我们知道的，长江是亚洲最长的河流，拥有许多景点。

洲最长的河流，拥有许多景点。

As_we_know As_we_know，，the Yangtze River is the longest river in Asia and has so many attractions.
2.as ＋adj.＋a/an ＋单数可数名词＋as...结构。

结构。

I do hope so because I want you to
live as long and healthy a life as
I have.
这个年轻人希望和他爷爷一样过俭朴的生
活。

活。

The young man hopes to live
as_simple_a_life_as his grandpa.
3.It is no good/use doing sth.做某事无用。

事无用。

It is no good crying over spilt milk. 劝说他没用，他不会改变主意。

劝说他没用，他不会改变主意。

It_is_no_good/use_persuading him.He
won't change his mind.
4It is...that...强调句型。

强调句型。

It is only when the disease has
only when the disease has progressed to AIDS that a person
begins to look sick.
正是当我到达电影院后我才意识到我把电
影票忘在家里了。

影票忘在家里了。

It_was_when_I_arrived_at_the_cinema_t
hat I realized I had left my ticket at
home.
精讲4个考纲单词个考纲单词
1．stress n ．压力；重音 vt .使紧张；强调使紧张；强调
(1)(1)单句语法填空单句语法填空单句语法填空
①Nowadays more and more middle school students are getting stressed(stress) in their studies.
②Most doctors and nurses live under stressful (stress) conditions. (2)[(2)[链接写作链接写作链接写作]]——句式升级——句式升级 (普通表达普通表达)Cooperation )Cooperation or teamwork plays an important part in football matches.Its importance is often stressed.
(高级表达)Cooperation )Cooperation or or or teamwork teamwork ，the_importance_of_ the_importance_of_ which/whose_ which/whose_ importance_is_often_stressed importance_is_often_stressed，，plays an important part in football matches.(
定语从
句)
先理解再牢记先理解再牢记
(1)under stress 在压力之下在压力之下
under the stress of 在……的压力下在……的压力下 lay/place/put stress on sth.强调某事物强调某事物 (2)stress the importance of...强调……的重要性强调……的重要性
(3)stressful adj .有压力的有压力的((指物指物) ) stressed adj .有压力的有压力的((指人指人) )
[佳句背诵佳句背诵] ] ] Up Up to a certain point point，，the more stress you are under ，the better your performance will be.
2.addicted adj .入了迷的；上了瘾的入了迷的；上了瘾的
(1)(1)单句语法填空单句语法填空单句语法填空
①Smoking is a harmful habit and makes one addicted ( addict) once they start doing it.
②She kicked her three pack a day cigarette cigarette，，and overcame her addiction(addict) to alcohol.
(2)[)[链接写作链接写作链接写作]]——一句多译——一句多译
很多孩子沉迷于上网，以致他们对学习失去了兴趣。

很多孩子沉迷于上网，以致他们对学习失去了兴趣。

①Many kids become/are/get_addicted_to surfing the Net Net，，so they have lost interest in study.(addicted)
②Many kids addict_themselves_to surfing the Net ，so they have lost interest in study.(addict)
③Addicted_to surfing the Net ，many kids have lost interest in study.(分词作状语状语) )
先理解再牢记先理解再牢记
(1)be/become/get addicted to 沉溺于……；对……上瘾沉溺于……；对……上瘾
(2)addict vt .使沉溺；使上瘾使沉溺；使上瘾 n ．有瘾的人．有瘾的人 addict oneself to sth.某人沉溺于某事某人沉溺于某事 a work addict 工作狂工作狂
(3)addictive adj 上瘾的，使人入迷的上瘾的，使人入迷的 addiction n ．癖好，上瘾．癖好，上瘾
[名师点津名师点津] ] ] to to 为介词的短语：为介词的短语：be be addicted to to；；get used to to；；get
accustomed to 等。

3.accustomed adj .习惯了的；惯常的习惯了的；惯常的
(1)(1)单句语法填空单句语法填空单句语法填空
①Accustomed ( accustom) to running every morning ，I feel refreshed. ②I accustom myself to drinking(drink) a cup of hot tea every evening in the cold winter winter，，and I feel refreshed again.
(2)[)[链接写作链接写作链接写作]]——句式升级句式升级
(普通表达普通表达)The old man is accustomed to living in the countryside )The old man is accustomed to living in the countryside ，so he finds it hard to adapt to the life in the city.
①(高级表达高级表达)Accustomed_to living in the countryside )Accustomed_to living in the countryside ，the old man finds it hard to adapt to the life in the city.(过去分词作状语过去分词作状语) )
②(高级表达高级表达)Having_accustomed_himself_to )Having_accustomed_himself_to living in the countryside countryside，，the old man finds it hard to adapt to the life in the city.(现在分词作状语现在分词作状语) )
先理解再牢记先理解再牢记
(1)be accustomed to(doing)sth.习惯于习惯于((做)某事某事((表状态表状态) ) get/become accustomed to(doing)sth.习惯于习惯于((做)某事某事((表动作表动作) )
(2)accustom vt .使习惯于使习惯于
accustom sb./oneself to(doing)sth.使某人使某人//自己习惯于自己习惯于((做)某事某事
[联想发散联想发散] ] ] “习惯于做某事”的表达形式如下，“习惯于做某事”的表达形式如下，“习惯于做某事”的表达形式如下，to to 为介词：为介词：get/be used to doing get/be used to doing sth.sth.；；be/become accustomed to(doing) sth.。

4.effect n ．结果；效力；影响结果；效力；影响 (1)(1)单句语法填空单句语法填空单句语法填空//单句改错单句改错
①The agreement signed between the two companies last week will come into effect soon.
②One of the most effective (effect) ways to reduce stress is to talk about feelings with someone you trust.
③Regardless of your choice of course ，you will develop your language ability both quickly and effective. effective →effectively
(2)[)[链接写作链接写作链接写作]]——一句多译一句多译
全球变暖正在对世界上的诸多动植物产生巨大影响。

全球变暖正在对世界上的诸多动植物产生巨大影响。

①Global warming is greatly affecting hundreds of plant and animal species around the world.
②Global warming is_having_a_great_effect/influence/impact_on hundreds of plant and animal species around the world.
先理解再牢记先理解再牢记
(1)have an effect/influence / impact on/upon 对……产生影响对……产生影响
come/go into effect 生效生效
put...into effect 实施；使……生效实施；使……生效//起作用起作用 side effect 副作用副作用 be of no effect 没有影响没有影响
(2)effective adj .有效的；有影响的有效的；有影响的 (3)affect vt .影响影响
[佳句背诵佳句背诵] ] ] There is no denying that reading books of traditional culture can There is no denying that reading books of traditional culture can have a good effect on
the children. 诠释2个核心短语个核心短语
1．take risks/a risk 冒险冒险 (1)(1)单句语法填空单句语法填空单句语法填空
①They were more likely to break the speed limit and be at the risk of getting fined.
②He got well p repared for the job interview，for he couldn't risk losing(lose) the good opportunity.
(2)[(2)[链接写作链接写作链接写作]]——一句多译——一句多译
有一大家人要养活，所以他不能冒险失去这一次好机会。

有一大家人要养活，所以他不能冒险失去这一次好机会。

①He has a large family to support ，so he can't take_risks/a_risk_to_ lose
_the_good_chance _the_good_chance．．(risk
n ．) ②He has a large family to support ，so he can't take/run_the_risk_of_
losing_the_good_chance losing_the_good_chance．．(risk
n ．) ③He has a large family to support support，，so he can't risk_losing_the _good_ chance chance．．
(risk v ．)
先理解再牢记先理解再牢记 (1)at risk 有风险有风险
at the risk of...冒着……风险冒着……风险
take/run the risk of doing sth.冒险做某事冒险做某事 take risks(a risk)to do 冒险做……冒险做…… (2)risk doing sth.冒险做某事冒险做某事
[联想发散联想发散] ] ] 跟跟v ing 作宾语的动词：作宾语的动词： finish finish；；suggest suggest；；practise practise；；enjoy enjoy；；consider consider；；admit admit；；appreciate appreciate；；avoid avoid；；miss miss；；advise advise；；keep 等。

等。

2.due to 由于，因为由于，因为由于，因为 (1)(1)单句语法填空单句语法填空单句语法填空//单句改错单句改错
①I think my long and active life must be due to the healthy life I live. ②She is due to completing her study this pleting →complete (2)[)[链接写作链接写作链接写作]]——一句多译一句多译 他的缺席是因为路上交通拥挤。

他的缺席是因为路上交通拥挤。

①His absence was because_of the heavy traffic on the road. ②His absence was due_to the heavy traffic on the road. 先理解再牢记先理解再牢记
(1)be due to do sth.预定做某事预定做某事 be due for sth.预定某事预定某事
(2)(be) due to sb.应支付应支付//给予给予//归于某人归于某人 (be) due to sth.由于；因为由于；因为
[佳句背诵佳句背诵] ] ] The town was cut off from the rest of the world The town was cut off from the rest of the world due to heavy snow.
heavy snow. 突破1个高考句型个高考句型
(教材P 18)I do hope so because I want you to live as_long_and_ healthy_a_life_as I have.
我的确希望如此，因为我想让你和我一样活得健康长寿。

我的确希望如此，因为我想让你和我一样活得健康长寿。

[要点提炼要点提炼] ] ] “as＋“as＋adj .＋a(n)a(n)＋单数可数名词＋as ...”结构，意为“和……一＋单数可数名词＋as ...”结构，意为“和……一样……”。

样……”。

(1)单句语法填空单句语法填空
①As a matter of fact，I can't afford as expensive a car as his. ②This is too difficult a problem for the beginners to solve.
③In many sports physical fitness is not as/so important as technique. (2)[)[链接写作链接写作链接写作]]——一句多译一句多译
我们的邻居有一个和我们一样大的花园。

我们的邻居有一个和我们一样大的花园。

①Our neighbour's garden is as_big_as ours. ②Our neighbour has_a_garden_as_big_as_ours ． ③Our neighbour has_as_big_a_garden_as_ours ． 先理解再牢记先理解再牢记
(1)(1)．．..as much ＋不可数名词＋＋不可数名词＋＋不可数名词＋as ...as ...像……一样多的……像……一样多的……像……一样多的…… (2)(2)．．..as many ＋复数名词＋＋复数名词＋＋复数名词＋as ...as ...像……一样多的像……一样多的像……一样多的 (3)(3)．．..as ..as＋＋adj ./adv .＋as ＋sb./sth.sb./sth.像……一样……像……一样……像……一样……
[名师点津名师点津] ] ] 否定句中“as ...as ...”结构中第一个否定句中“as ...as ...”结构中第一个as 也可换成so so。

Ⅰ.单句语法填空单句语法填空
1．If you become mentally (mental) addicted to computer games ，it will be very difficult for you to give them up.
2．A regular and busy life is wonderful wonderful，，although it's hard and stressful (stress)(stress)．．
3．It's reported that passengers are banned from eating and drinking on subway trains.
4．After living there for one year ，they have been accustomed to working (work) there. 5．I was once ashamed to_admit (admit) my weakness weakness，，but
now I have no such feeling. 6．(2016·北京卷北京卷)Although these measures are not effective (effect) forever )Although these measures are not effective (effect) forever ，they are vital for now.
7．We made a great deal of money money，，so we decided that it was time to_set(set) sail for home.
8．Though disappointed (disappoint) to know he wouldn't get the job after the interview interview，，Frank thanked us politely.
9．He only gave an embarrassed(embarrass) smile when I spilled the water onto him.
10．Mum Mum，，it's so cold outside and I don't feel like going(go) shopping with you. Ⅱ.单句改错单句改错
1．Next time when you pay a visit to Shanghai ，I will show you around.去掉when 2．Accustomed to live in the beautiful country ，Tom found it difficult to live in the crowded city.第一个live→living live→living
3．Fathers have an enormous effect to their children's personalities and chances of marital happiness.to→on to→on
4．Being able to afford a drink would be a comfort in those those toughly toughly times.times.toughly→tough toughly→tough toughly→tough
5．I think the company places too many stress on cost and not enough on quality.quality.many→much many→much many→much
6．It is generally believed that reading is much an art as it is a science.
much 前加as
Ⅰ.课文语法填空课文语法填空
根据P 18课文内容，在空白处填入1个适当的单词或括号内单词的正确形式。

个适当的单词或括号内单词的正确形式。

It's easy for you to start smoking ，but once you become 1.addicted(addict) to
it ，you may find 2.it difficult for you to quit.Firstly ，you may become
3.physically( physical ) addicted to nicotine nicotine，，one of the hundreds of harmful chemicals
that exist in cigarettes.4.Secondly(second).Secondly(second)，，you may develop the
habit of smoking and finally become mentally addicted to it.You may believe that you
will only feel good when you smoke and may find all 5.kinds(kind) of negative emotions
in you when you stop smoking.
Smoking may have all kinds of harmful effects on the health of both the smokers themselves and non s mokers around them.It not only smokers around them.It not only 6.affects(affect) your physical fitness fitness，，but also does harm 7.to your heart and lungs and causes a 8.variety(various)
of diseases.Being a smoker ，the offensive smell 9.and appearance of you may drive people around you away.So away.So，，it's important that one should quit 10.smoking(smoke) and
live a healthier life.
Ⅱ.写作改错双练写作改错双练
根据提示运用本单元所学知识完成下面小作文，并改正学生习作。

根据提示运用本单元所学知识完成下面小作文，并改正学生习作。

1．为了缓解精神压力，许多人，甚至是青少年，养成了吸烟的习惯。

(relieve (relieve；；adolescent)
2．众所周知，吸烟对健康有害。

很多人由于吸烟死于肺癌、心脏病。

．众所周知，吸烟对健康有害。

很多人由于吸烟死于肺癌、心脏病。

(due to) (due to)
3．吸烟对周围的人也有影响，对环境造成污染。

．吸烟对周围的人也有影响，对环境造成污染。

(have an effect on) (have an effect on)
4．由于香烟价格不菲，吸烟会浪费很多钱，并可能引起火灾。

．由于香烟价格不菲，吸烟会浪费很多钱，并可能引起火灾。

(waste) (waste)
5．政府有必要采取有效措施禁烟，让吸烟违法，以便吸烟者决定戒烟。

(necessary (necessary；；quit)
第一步：练写作第一步：练写作
用适当的连接词将上述句子连成一篇短文。

用适当的连接词将上述句子连成一篇短文。

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第二步：练改错第二步：练改错
下面是李明针对本文的习作，其中有5处语法错误，请你帮他纠正过来。

处语法错误，请你帮他纠正过来。

In order to relieve mental stress ，many people ，even adolescents ，get into the
habit of smoking.It is well known that smoking do harm to health.A lot of people die of lung cancer and heart disease due to smoking.What's worse ，smoking has an effect on the people around the smokers and pollute the environment.Smoking will waste many
money because cigarettes are expensive.It can also cause fire.It is necessary for the government to take effective measure to ban smoking and make smoking illegal ，
so that smokers will decide to quit smoke.
【答案】【答案】
In order to relieve mental stress ，many people ，even adolescents ，get into the
habit of smoking.It is well known that smoking do does
harm to health.A lot of people die of lung cancer and heart disease due to smoking.What's worse worse，，smoking
has an effect on the people around the smokers and pollute pollutes
the environment.Smoking will waste many much
money because cigarettes are expensive.It can also cause fire.It is necessary for the government to take effective measure measures
to ban smoking and make smoking illegal illegal，，so that smokers will decide to quit smoke smoking .。