外研版高中英语必修三Module 2 Developing and Developed Countries Grammar(共30张PPT)
A. while
B. neither
C. if
D. although
4. ____he is very old, he is healthy.
A. But
B. However
C. Although
D. Whereas
5. Britain is not mountainous, ___ Italy is.
复习表示转折、对比关系 的连词：but, however, although和while的用法。
but “但是”
用作连词，表示转折，位于句中，用来引出 相反意见或不同情况，语气最强。可以连接两 个并列分句或两个并列成分。常用在口语中， 不能与though / although同时出现在一个句 子中。
(3) More than 1 billion people in developing countries do not drink safe water. However, in other parts of the world, e.g. Eastern Europe, water is now mostly safe to drink.
(3)Although more than 80% of children in developing countries go to primary school, about 115 million children are not being educated.
(4)Although developed countries give some financial help, they need to give much more.
Module 2
Grammar
Link words
Link Words?
（自主学习）
1.I'm sorry, but I think you're wrong when you say she did it deliberately (故意地). 2.There may, however, be other reasons that we don't know about. 3.However you look at it, it's still a mess. 4.Although he was ill, he worked hard. 5.While I like the color of the hat, I do not like its shape.
Link words 连词
连词是虚词中的一种它不能在句子里独立 地担任句子成分，而只能起 连接 作用，连 接 词与词 、短语与短语 、句子与句子。
本节课我们学习表示转折、对比关系的
连词：but, however, although和while。
Lead in
Look at the link words “but” and “however” in these sentences, and answer the following questions:(P14)
(5) The shop doesn’t open until 11 a.m., __b_u_t_ it doesn’t lose any business because of this.
(6) There is plenty of rain in the southeast, _w__h_il_e_ there’s little in the northeast.
(1)Norway is at the top of the list, while the United States is at number 7.
(2)The UK is in the thirteenth position, while China is in the middle of the list.
A. whether
B. as
C. though
D. while
2. I’d love to come ___ I can’t make it till 8 o’clock.
A. so
B. but
C. however
D. while
3. The south of the country grows richer, ______the north grows poorer.
However
but
1.Honey is sweet, but the bee stings. 2.I ought to have helped her, but I never could.
连接两个并列分句
3.They see the trees but not the forest. 4.He no longer felt disappointed, but happy and
Exercises
Fill in the blanks with however, but or while.
• My sister had trouble in learning English. H__o_w_ev_e_r_, she works hard and is making rapid progress.
表示对比或用于引出相反的情况,常用于句中。
用方框内的连词完成句子。
however but while although
1. 这里夏天热，但冬天不冷。 It is hot in summer here, b_u__t it is not cold in winter.
2. 我有点累了，但我能坚持下去。 I feel a bit tired. _H_o_w__e_v_e_r, I can hold on.
(1) The report shows that we’re making progress but that we need to make greater efforts.
(2) In the last ten years in China, 150 million people moved out of poverty. However, the challenges are still great.
A. however
B. so
C. although D. while
温馨提示：表示转折关系时，however位置比 较灵活，位于句中时常用逗号与主句隔开， 而but 位于句中，不用逗号隔开。
Look at the link words “although” and “while” in these sentences, and summarize the rules.(p14)
busy and hasn’t come.
A. While
B. Although
C. However D. Whether
8. She’s been learning Italian for six years, ______ she doesn’t speak it very well.
A. for B. so C. but D. as
However “然而、不过”
它的语气比but弱，可放在句首，句中或句末， 位于句中时通常用逗号与句子其它成分隔开。
1.I’d love to come ___ I can’t make it till 8 o’clock.
A. so
B. but
C. however
D. while
2.He was feeling bad. He went to work, ______, and tried to concentrate.
Questions
• Does however mean the same as but? Yes • Which link word begins a sentence? However • Which link word can join two parts of a
sentence? But (1)Which link word is followed by a comma?
lot.
A. When
B. However
C. Although
D. Unless
有志者，事竟成.Nothing is impossible to a willing heart./Where there is a will there is a way千里之行，始于足下.The longest journey begins with the first step。积少成多.Ev 益.Pride hurts, modesty benefits。世上唯有贫穷可以不劳而获.Nothing is to be got without pain but poverty。伟业非一日之功/冰冻三尺非一日之寒.Rome was not built in a 买寸光阴.Lost years are worse than lost dollars。自助者天助.God helps those who help themselves。欲速则不达.More haste, less speed。台上一分钟，台下十年功.One min years practice off stage。好的开端是成功的一半.Well begun is half done。酒好不怕巷子深.Good wine needs no bush。成功源于勤奋.Industry is the parent of success。英雄 alike。熟能生巧.Practice makes perfect。静水流深.Still waters run deep。滴水穿石.Little stone fell great oaks。前事不忘，后事之师.The remembrance of the pas
外研版高中英语必修三Module 2 Developing and Developed Countries Language Points
agree on 达成一致 I couldn’t agree more.=I completely agree.我完全同意。
1. We _a_gr_e_ed_ o_n__ making an early start. 2. The climate here doesn’t _ag_r_e_e _wi_th__ him. 3. I don’t _ag_r_e_e _w_it_h_ y_o_u__ to make friends with such a man. 4. The manager has__a_gr_e_e_d _to__ improve the working condition in the company.
develop v.开发；发展；壮大；冲洗(胶卷)； 增强；养成
develop one’s business 扩展某人的企业 develop an electrical fault 发生电力故障 develop nuclear weapons 研制核武器
develop new financial producent came the Human Development Report. The Human Development Report came from this agreement. 1.当表运动、方位的副词（如in, down, off, over, round, away, up, out等）或地点状语，或地点副词与时间副词there, here, now, then 放在句首时； 2.谓语动词是come, go,be, follow, exist, fall, lie, remain, seem, stand 等表移动或动态或状态（存在）的不及物动词； 3.主语为名词时。
外研版高中英语必修3 Module 2《Developing and Developed Count
Module 2 第4课时Cultural CornerⅠ、用下列词语的适当形式填空unfortunate, industrial, polluted, similar， develop, educate， expect, crowded, tourism, measure1、I am________several important letters from New York, but nothing has arrived、2.People began to________round the scene of the accident、3。
Education shouldn’t be________only by examination results、4.There were some________between mother and son、5。
________the fire was discovered soon after it started、6。
The child was________to think clearly、7。
The men are clearing all the________off the shore、8.We went on a guided________round the castle、9。
What are your plans for the________of your company?10.India has one of the largest film________in the world、答案：1、expecting 2、crowd 3、measured 4、similarities 5、Fortunately 6、educated 7、pollution 8、tour 9、development 10、industriesⅡ、单项填空从题中所给的A、B、C、D四个选项中选出一个最佳答案。
外研版英语必修三第二单元
Module 2 developing and developed countries（基础篇）1.surprise vt 使什么惊讶；n 抽象概念的吃惊惊讶意外；指具体的令人吃惊的人/事eg：a look\ an expression of surpriseShe stood up in surpriseYour coming is a pleasant surprise2. with +宾语+宾补without+宾语+宾补（介词短语作后置定语，状语；动名词不定式作主，宾表。
）3.encourage sb to do sth 鼓励某人做某事4.give examples of sth 举出某物的例子，举例说明某物Eg：Please give an example of this language point.5.move out of 从哪里搬出来。
脱离摆脱6.increase by 增加了increase to 增加到7.collect/raise money for 为什么集资Give money to 给什么提供资金援助8.explain sth to sb （表物的宾语简短）explain to sb/ sth （表物的宾语过长）给某人解释某物rmation on 关于什么的信息10.for oneself 为自己11.be willing to do sth 乐意做某事12.a lot more +n ；much more +adj.13.be connected with 与什么有联系（抽象事物）；与什么相连（实物）14.as···as 同级比较；as many/much +n asEg：I have as many books as he （dose）. My books are as many as his.15.less +adj/adv原级较少的，不那么的16.how do you find sb/sth；how do you like sb/sth；what do you think about sb/sth；what is your opinion about sb/sth（用来询问对某物的看法，评价）17.as sb see（them/it）；in one＇s opinion 照某人看来18.I did not get that；I have got it；I have understand it 得到，明白，听见19.Let’s find some of the action 激动人心的事情20.find sth out 查明，弄清楚；find out about 查询，查明有关什么的结果21.this/that/it is because（表语从句）前文交待结果，后文交待原因This/that/it is why 前文交待原因，后文交待结果22. be/get close to靠近；近；接近；即将发生二．重点句型1．____________________ the Human Development Report.人类发展报告就出自于这一协议。
高中英语外研版必修三《Module2Developing and Developed Countri
4．(教材 P12)More than 1 billion people in developing countries do not drink safe water.__H_o_w_ev_e_r____, in other regions of the world, e．g.Eastern Europe, water is now mostly safe to drink.
Ⅱ.单句改错 1．If you have a strong will, you can get over any difficulty, whatever great it is._w__ha_te_v_er_→_h_o_w_e_ve_r__________ 2．Although the Internet is of great help, but I don't think it's a good idea to spend too much time on it.__b_u_t→__ye_t或__去_掉__b_ut________ 3．Some people waste lots of food but others haven't enough to eat.__b_u_t→_w__hi_le___
4．We had thought the figures were correct._H_o_w_e_v_er_____，we found some errors when the plan was carried out.
5．We will have to finish the job, _h_o_w_ev_e_r _____ long it takes. 6．I'm sorry, ____b_ut______ Mr.Eric left the office just a few minutes ago. 7．They knew it would be too late to do anything.They didn't want to admit the fact, _th_o_ug_h_/h_o_w_ev_e_r_____.
教案1：高中英语外研版 必修3 Module2 Developing and Developed Countries
Module 2 Developing and Developed Countries发展中国家与发达国家核心词汇1．It’s most____________(不幸的，遗憾的>that your father can’t come to the wedding.b5E2RGbCAP2．Many____________(慈善团体>sent money to help the victims of the famine.p1EanqFDPw3．The____________(运输>of goods by air is very costly.DXDiTa9E3d4. The beach gets so____________(拥挤的>in August，when there are many tourists.RTCrpUDGiT5．From his____________(位置>on the cliff top，he had a good view of the harbour.5PCzVD7HxA6．The girl was____________(教育>at a very famous school.jLBHrnAILg7．There are some striking____________(相似>between the two plays.xHAQX74J0X8．She had been worn down by____________(贫穷>and illness.LDAYtRyKfE9．Thousands of people go____________every day.If they don’t have enough to eat，they’ll die of cold and ____________.(hunger>Zzz6ZB2Ltk10．The factory ____________ the air and water.We must take measures to get rid of____________as the ____________airand water will lead to diseases.(polluted>dvzfvkwMI11.unfortunate2.charities3.transport4.crowded,5.positioncated7.similarities8.poverty,9.hungry；hunger 10.pollutes；pollution；pollutedrqyn14ZNXI高频短语1．________________ 确保，确定2．________________ 达到；正在做，从事于3．________________ 在……顶端4．________________ 在……底部5．________________ 给出……例子6．________________ 取得进步7．________________ 努力8．________________ 为……筹集资金/募捐9．________________ 亲自地；为自己10．________________ 甘愿/乐意做某事11．________________ 与……有关系/联系12．________________ 因此，结果13．________________ 接近；靠近1.make sure2.up to3.at the top of4.at the bottom of5.give (an>example of sth.6.make progress,7.make efforts8.collect/raise money for9.for oneself EmxvxOtOco10.be willing to do sth.11.be connected with, 12.as a result13.be close to重点句式1．____________the Human Development Report.人类发展报告就出自于这一协议。
高中英语外研版必修三《Module2Developing and Developed Countri
用……来衡量…… 采取措施(干某事) 按某人的尺寸订做……
[温馨提示] (1)measure 表 示 “ 措 施 ” 之 意 时 ， 常 用 其 复 数 形 式 measures。 (2)measure 表示“量，有……长(宽、高等)” 时，是不及 物动词，后跟量的结果，不用被动语态及进行时态；如果此意 义的短语作后置定语，要用现在分词。
5．make efforts 作出努力 (教材 P12)The report shows that we are making some progress but that we need to make greater efforts. 报告显示我们正在取得一些进步，但是我们需要作出更大 的努力。
重点 短语
1．_____up__to____ 2．___at_th_e_t_op__of__ 3．_a_t_th_e_b_o_tto_m__o_f 4．__m__ak_e_e_ff_or_ts__ 5．__m_a_ke_p_r_og_r_es_s_
直到 在……顶端 在……底部 努力 取得进步
1.完全倒装 ___F_ro_m__th_is_a_g_re_em__en_t_c_am_e_________ ( 出 自 这 个 协 议 ) the 重点 Human Development Report. 句型 2．while 作并列连词，表示对比转折，意为“然而” Norway is at the top of the list, w_h_il_e_th_e_U_S_i_s_at_n_u_m_b_er_7______ (而美国却排在第七)．
外研版 高中英语 必修三
Module 2 Developing and Developed Countries
高中英语外研版必修3Module2DevelopingandDevelopedCountriesWriting教学设计
高中英语外研版必修3Module2DevelopingandDevelopedCountriesWriting教学设计【名师授课教案】1教学目标通过分析必修三模块二The Human Development Report这篇课文的写作方法, 学习用比较法描述两个地区或城市,并体现个人观点。
2预备知识1.熟读课文The Human Development Report;2.掌握本课核心词汇的词义和拼读,熟记并会应用本课的短语;3.熟练掌握用and与but连接的并列句。
3重点难点重点:学习用连词and, but, although, however, while来连接两个句子,从而用对比法描述两件事物的异同。
难点:有策略地对素材进行取舍。
4教学过程4.1第一学时教学活动1【导入】literature models：Learning from WriterSometimes a writer will describe two things by explaining how they are alike and how the y are different. This is called writing that compares.Read the article The Human Development Report. What are the writers describing? As you re ad, notice how the writers use facts and details to tell how things are alike and how they are different.Practice and Apply。
高中英语外研版必修三《Module2Developing and Developed Countri
____sp_a_re_____ no effort (to do) 不遗余力
___w_it_h_ou_t____ effort
容易地；不费力地
3．be connected with 与……有联系；与……有关 (1)connect...___w_it_h ______... 把……和……联系起来 connect...______to_____... 把……和……连接 (2)have (no) connection with...
6．我们相信，随着经济的发展，所有人将过上幸福的生活。
(figure；with the development of) _W_e__f_ig_u_r_e__t_h_at__w__it_h__th_e__d_e_v_e_l_o_p_m_e_n_t__o_f _e_c_o_n_o_m__y_，__a_ll__t_he
2．position n．位置；职位；地位；姿势；状况；处境
__i_n________ a．..position 处于……的地位/处境
_____in______/____o_u_t o_f____ position 在/不在适当的位置
3．fi
4．This is because...“这是因为……” This is because living with a foreign family for one or two weeks means that you have to speak their language, and as a result you improve fast. [仿写] 他获得了 2019 年英语演讲比赛的第一名，这是因 为他每天都坚持说英语。 He got the first prize in the 2019 English speech contest._T_h_is_i_s_b_ec_a_us_e____he keeps speaking English every day.
高一英语外研版必修3教案： Module2DevelopingandDeve
Module 2Developing and Developed Countries Period 3Vocabulary and listening & Everyday English & Function整体设计教学内容分析V ocabulary and listening部分通过听的活动进一步复习和学习单词，并通过对单词意义的理解进一步提高听力技能。
Everyday English部分练习How do you find it？It is totally fascinating.等五种日常英语表达法。
Function部分学习对两个人、两件事或两种情景进行比较的方法，培养逻辑思维能力。
三维目标设计Knowledge and skills1．To help the students learn the following words and expressions.Words：construction，fascinating，inhabitant，similarity，pollution，transport，industry Expressions：How do you find it？As you see them.I didn't get that.Let's find some of the action.as many as，a lot less crime，much more crowded2．To help the students revise the following words and expressions.Words：similarity，unfortunate，crowded，safety，population，climateExpressions：at the moment，be different from，have a huge population，at least，wash...away，get polluted3．To help the students to know some skills of listening.4．To help the students master the way of making comparison.Process and methods1．To encourage the students to take an active part in the listening activities by giving them clear instructions on what to do while listening.In addition，correct possible mistakes they might make in a proper way by making necessary changes while repeating their sentences.2．To encourage the students to cooperate with the others by working in pairs or in groups.3．To make sure that the students write down the key points while listening.Emotion，attitude and value1．To help the students raise their awareness of loving their motherland.2．To help the students appreciate the advantage of cooperative learning.教学重点1．To help the students to learn about the way of making comparisons of two countries.2．To help the students learn to get key points in listening materials.教学难点To help the students understand the listening materials and make comparisons.教学过程Vocabulary and listening 【25 min.】1．Pre-listening1)Ask the students to check the meaning of the following words and answer the questions.construction crowded fascinating freeway huge,inhabitants similarity unfortunate a．Which words can be used to describe a city?b．Which word is connected with building?c．Which word means the opposite of difference?d．Which word do we use to say that something is sad?e．Which word describes the people who live in a particular place?f．Which word means a wide road on which cars can travel fast?ANSWERSa.crowded，fascinating，hugeb.constructionc.similarityd.unfortunatee.inhabitantf.freeway2)Show the students two pictures and ask them to tell the differences and similarities between Beijing and Sydney.2．While-listening1)Play the tape for the first time.First emphasise the way of dealing with a new word while listening—tell the students they don't have to understand every word，just the general sense.Look through the following sentences and tick the true statements they hear.a．Beijing has a lot more inhabitants than Sydney and is much more crowded.b．Beijing doesn't have as many freeways as Sydney does.c．There are fewer tourists in Sydney than in Beijing.d．Beijing has less rain than Sydney.e．Beijing is less dangerous than Sydney.f．Beijing doesn't have as much pollution as Sydney.g．There are as many rich people in Beijing as in Sydney.h．Beijing is as lively as Sydney.ANSWERSTrue：a，b，d，g，h2)Listen again and complete the following passage.Ask the students to read through the dialogue.First，fill in the blanks according to their memory.Then check the answers following the tape.Lingling：Is this your first time in Beijing，Richard?Richard：Yes，it is.L：______？R：It's totally ______.It's so different from Sydney，where I live.L：Tell me about the differences，______.R：Well，Sydney's a younger city than Beijing.Beijing has a lot more ______and is much more crowded.L：Yes，we certainly have a huge ______，like most Chinese cities.R：It's very exciting，as a result.And there's so much construction going on.L：I know，we're growing very fast.For example，I don't think we have as many ______as Sydney does，but we soon will.R：I believe you！I think there are fewer tourists in Beijing—at least for now.And I get the feeling that Beijing is less ______.L：Yes，there's probably a lot less crime here.R：What about the ______？I think Sydney has less rain.L：Yes，we can get a lot of rain in July and August.R：I've noticed！It's pouring at the moment.L：The good thing about the rain，of course，is that it washes the ______away.R：I've noticed that too.We don't have as much pollution as you do.L：That's because you have less ______.The air can get quite polluted here...OK，so that covers a lot of the differences.But are there any ______？R：Oh，yes...for example，I notice the wealth and the energy.L：Sorry，______.R：The wealth and energy.I think there are as many rich people here as in Sydney...and I think your city is just as lively as mine.L：That's good to hear.So shall we go out this evening and find some of the ______？ANSWERSHow do you find it；fascinating；as you see them；inhabitants；population；freeways；dangerous；climate；pollution；industry；similarities；I didn't get that；action 3．Post-listeningAsk the students to repeat the sentences about the following aspects.climate industry location pollution population safety tourism transport wealth Everyday English 【5 min.】Read the dialogue in Step 1 and choose the correct answer.1．How do you find it? means______.a．What is your opinion about it？b．How did you get here?2．It's totally fascinating means ______.a．It's very，very interesting b．It's very，very important3．as you see(them) means ______.a．while you see them b．in your opinion4．I didn't get that means______.a．I didn't take that b．I didn't hear what you said5．(Let's)find some of the action means ______.a．Let's do something interesting b．Let's actANSWERS1.a2.a3.b4.b5.aFunction 【12 min.】1)Ask the students to read through the following sentences and pay attention to theexpressions of making comparisons，especially the different use of much，many，fewer，less.a．...Beijing has a lot more inhabitants(than Sydney)and is much more crowded.b．...I don't think we have as many freeways as Sydney does.c．...there are fewer tourists in Beijing(than in Sydney)．d．...(Beijing)is less dangerous(than Sydney)．e．...I think Sydney has less rain(than Beijing)．f．...(Sydney doesn't)have as much pollution as(Beijing)．much many fewer lessQuestion 1.Which words do we use with countable nouns?Question 2.Which words do we use with uncountable nouns?ANSWERS1.many，fewer2.much，less2)Finish activity 2.ANSWERS1.less2.many3.a lot4.less5.much3)PracticeFill in the blanks with much，many，fewer，less.a．The exhibition was not very crowded.There were ______ people than I had expected.b．I've not met him but I've heard ______ stories about him.c．I feel ______ better today，thank you.d．I'd like to go to Japan but I get so ______ opportunities to travel in my present job.e．I'd like you to spend ______ time on the computer games and more on study.f．The winner will be the person who makes ______ mistakes.g．There are so ______ things I want to ask you.ANSWERSa.fewerb.manyc.muchd.fewere.lessf.fewerg.manyMaking a summary 【3 min.】Summarise the whole class.First，emphasise the skills of listening—predicting the answers，guessing the meaning of a new word by the context and taking notes.Then，ask the students to pay attention to the words used in a dialogue.Finally，emphasise the way of making comparisons.HomeworkMake five sentences to compare two different cities.Finish activities 12-14 on pages 76-77.教学参考An Introduction to SydneySydney，with a population of over four million people，is Australia's largest city.It's fair to say that it's also Australia's best known city and，by virtue of the Harbour Bridge and Opera House，Sydney is also Australia's most iconic city.Sydney enjoys a warm climate and revels in the lifestyle choices that go with good weather in a world-class，multicultural city.Sydney also suffers from some of the disadvantages of large cities such as traffic jams and frustrations with public transport.It is probably the worst of Australia's cities to get around.Sydney attracts more immigrants than any other Australian rge numbers of relocating Australians are also drawn by career opportunities in Sydney's dynamic economy.In quality of life studies，Australia's large cities rate very favourably compared with cities elsewhere.As you might expect，Sydney rates very well too but its overall score is lower than it might be because crime rates are similar to London's and New York's.Fortunately，not all areas in Sydney have high crime and there are plenty of areas with low crime rates.Some families with children have found other cities suits them better than Sydney does.Despite this many migrants with families are happy to have settled in Sydney.If you are single or a couple and you want to live in a 24 hour，exhilarating city，Sydney is almost certainly your best choice of Australian cities.Four in ten of Sydney's residents are migrants.British people are the biggest immigrant group in Sydney，and make up 5 percent of the city's population.The next most populous groups are Chinese(two percent)，New Zealanders(two percent)，Vietnamese(one percent)，Lebanese(one percent)，South Africans(one percent)and Italian(one percent)．Numerous other nationalities，such as people originating in Greece，Hong Kong，South Korea，The Philippines and India contribute to Sydney's population.Aboriginal Australians make up one percent of Sydney's population.Around eleven percent of Sydney's population is Asian and three percent come from the Middle East or North African.In addition to natural population growth，forty thousand newcomers arrive each year in Sydney necessitating the construction of 15,000 new homes per annum.。
外研社版高一必修三unit2 developing and developed countries教案正式版
Module 2 Developing and Developed CountriesⅠ. 教学内容分析本模块以Developing and Developed Countries 为话题，对发达国家和发展中国家社会发展的差异进行了分析，要求学生通过本模块的学习，能运用所学词汇流利说出两类国家的差别，对贫富差别进行分析，对人类社会发展有正确的认识并能自如的对地区和城市发展差异进行对比，写出短文。
Introduction部分通过对国家分属大洲的分类和对本模块关键词释义的选择，使学生关注本模块话题。
Reading and Vocabulary部分通过对The Human Development Report的阅读，让学生学习相关词汇，提高阅读技能，并围绕文章内容顺利完成听、说、读、写各项训练。
Gramma r部分主要学习连词but, although, while, however的用法，使学生了解部分相关连词功能上的差异，并通过相关练习得以巩固。
Pronunciation部分要求学生通过阅读GrammarActivity 3 & Activity 4 中的句子，注意句子的节奏，并通过听录音校注节奏，更好地理解句意。
Speaking部分要求同学对发展中国家的现状进行深入了解，并能运用所学词汇表达自己的思想；能够就捐款问题发表自己的看法。
Vocabulary and Listening部分听取一段有关比较北京和悉尼两个城市状况的对话，培养学生准确获取有效信息、完成相关练习的能力。
Function通过对Listening中的对话的学习，学会如何做出比较，并能区分用来修饰可数名词和不可数名词的词汇和短语。
Vocabulary and Speaking部分要求学生运用给出的词汇去描述和比较两个城区的特征差异，并能做出口头表述。
Writing部分介绍了如何描述和比较不同地区的写作步骤。
通过这部分的学习，使学生在speaking的基础上提高归纳、对比等的思维能力。