2024真题视角下的构词法讲解课件-2025届高三英语一轮复习

课前背诵 【2024. 新高考I卷 派生词检测】 1) professional adj.职业的，专业的 → professionally adv. 专业地；内行地2) refer v. 提到，谈及 → reference n. 提及，谈到；参考，查阅3) define v. 给……下定义，解释 → definition n. 定义，释义4) combine v.（使）结合，组合 → combination n. 结合体，联合体；结合5) influence n. 影响，作用；势力 → influential adj. 有影响力的，有势力的6) reward n. 奖励，回报 v.酬谢，奖赏；奖励 → rewarding adj. 值得的，有意义的 2024 Welcome to English class! 构词法 To know about the grammar about word formation; To figure out common prefixes and suffixes through observing and practicing; To complete the exercises adapted from the CEE exam papers; To build up confidence in memorizing words and learning English. Learning objectives: 4 Why do we learn word formation? Lead-in Word Fromation Why do we learn word formation? Because it creates a sea of words. ...efficiently and wisely... Brainstorm 热词之——敌蜜 用英语怎么说？ Have a try friend 朋友 enemy 敌人 frenemy 友敌、亦敌亦友=敌蜜 breakfast 早餐 lunch 午餐 brunch 早午餐 元旦期间起得晚，你决定吃 You got up late and decided to eat hungry 饥饿 angry 生气 hangry 饿怒的：又饿又气的 发现妈妈没有做饭，你 When knowing your mom did not cook, you felt pop 爆裂声 corn 玉米 popcorn 爆米花 翻找家里发现了 only to find television TV 电视 抱着爆米花坐在沙发上，打开了 Sitting on the sofa with popcorn in your hands, you turned on water the plant v. 浇水 看到盆栽没水了，顺便 Seeing the plant, you wonder -ful 惊奇 真是美好的一天！ What a wonderful day! How ? How are English words formed? wonderful 美好的 TV 电视 popcorn 爆米花 hangry 又饿又气 brunch 早午餐 frenemy 敌蜜 water 浇水 17 wonderful adj. 美好的 TV 电视 popcorn n. 爆米花 hangry 又饿又气 brunch 早午餐 frenemy 敌蜜 water n. →v. 浇水 Word Formation 构词法 1. 合成法 compound 2. 转化法 Conversion 3. 缩略法 Abbreviation 4. 派生法 Derivation /ˌderɪˈveɪʃ(ə)n/ /əˌbriːviˈeɪʃn/ /kənˈvɜːʃ(ə)n/ /ˈkɒmpaʊnd/ 18 归 纳：由两个或更多的词合成一个新词, 有的用______________________连接,有的________连写在一起，还有的由____________________构成，这样的构词方法叫做合成法。 easy-going, old-fashioned, up-to-date somewhere, eggplant, anyone, newspaper, cowboy theme park, human rights, bus stop, post office reading room 分开的两个词 连词符号(hyphen)“-” 直接 somewhere, eggplant, anyone, newspaper, cowboy easy-going, old-fashioned, up-to-date theme park, human rights, bus stop, post office, reading room 1. 合成法 Compound 19 复合名词 (Compounding noun) 复合形容词 （Compounding adjective） 复合动词 (Compounding verb) 复合词 （合成词） /ˈædʒɪktɪv/ 复合 名词 名词+名词 名词+动词 名词+动名词 名词+及物动词+er/or 名词+介词+名词 代词+名词 动词+名词 动名词+名词 现在分词+名词 形容词+名词 副词+动词 （1）复合名词的主要构成方式 night-time___________ dataset__________ 夜间；黑夜 数据集 daybreak___________ 破晓 handwriting _______ 书写 air conditioning _______ 空调 painkiller ___________ 止痛药 sister-in-law ___________ 嫂子 she-wolf _______ 母狼 he-goat _______ 公羊 password ______ 密码 pickpocket_____ 扒手 reading room ___________ 阅览室 swimming pool ___________ 游泳池 flying fish ___________ 飞鱼 freshman_______ 新生 wildlife_______ 野生动物 outbreak_______ 爆发 income_______ 收入 Group work 复合形容词的主要构成方式 例词 1. 名词＋形容词 bloodred ____________, nationwide ____________ 2. 名词＋现在分词 time-consuming ________, energy-saving ________ 3. 名词＋to＋名词 one-to-one ________ 4. 名词＋过去分词 man-made________, handmade ________ 5. 数词＋名词 one-way ________ 6. 数词＋名词＋形容词 three-year-old __________ 7. 数词＋名词＋ed ten-storeyed __________ 8. 动词＋副词 one-off ______________ 9. 形容词＋名词 high-quality ____________, high-class ____________ 10. 形容词＋名词＋ed noble-minded ____________, short-sighted ____________, absent-minded ____________, cold-blooded ____________ 11. 形容词＋形容词 light-green __________, bittersweet _____________ 12. 形容词＋现在分词 easy-going ____________, ordinary-looking ___________ 13. 副词＋形容词 ever-green ___________ 14. 副词＋现在分词 hard-working __________, far-reaching _____________ 15. 副词＋过去分词 well-known ___________, well-sampled___________ 16. 副词＋名词 fast-food ___________ 17. 介词＋名词 indoor ___________ 血红的 全国的 耗时的 节能的 一对一的 人造的 手工制作的 单行道的 三岁的 十层的 一次性的 高质量的 高级的 高尚的 近视的 心不在焉的 冷酷的 浅绿色的 苦中带甜的 随和的 常青的 努力的 影响深远的 著名的 提供快餐的 室内的 相貌平平的 （2）复合形容词的主要构成方式 充分采样的 复合动词 名词+动词 形容词+动词 副词+动词 overcome _____, overwhelm _______ （3）复合动词的主要构成方式 sleep­walk _______, daydream ________ white-wash ______ blacklist ___________ 梦游 做白日梦 粉刷 将…列入黑名单 克服 压垮 Practice 猜测词义 1.(2024·新高考I卷) I don’t trust my laptop’s spellchecker. 2.(2024·新高考I卷) The reasons relate to a variety of factors, including reduced concentration, an entertainment mindset and a tendency to multitask while consuming digital content. 3.(2024·新高考Ⅱ卷) Walking at night-time is a great way to step out of your comfort zone. 4.(2024·新高考I卷) These observations now outnumber the primary data that comes from physical specimens... 5.(2024·1 浙江卷) A 35-minute hand-clapping, foot-stomping musical version of a Mark Twain favorite returns with this Tall Stacks festival. n. 拼写检查程序 n. 心态 vt. 数目超过 a. 35分钟的 n. 夜晚 a. 拍手的 a. 跺脚的 Practice 猜测词义 6.(2023·新高考Ⅱ卷) They surveyed several hundred park-goers, asking them to submit a written summary online of a meaningful interaction they had with nature in the park. 7.(2023·新高考Ⅱ卷) And in contrast to our increasingly networked lives where the information we consume is monitored and tracked, a printed book still offers the chance of a wholly private, “off-line” activity. n. 逛公园的人 a. 网络化的 a. 离线的 Word Formation 构词法 1. 合成法 compound 2. 转化法 Conversion 3. 缩略法 Abbreviation 4. 派生法 Derivation 26 Brainstorm 英语饶口令 1. Never trouble trouble till trouble troubles you. 2. Can you can a can as a canner can can a can ? 3. I wish to wish the wish you wish to wish, but if you wish the wish the witch wishes, I won’t wish the wish you wish to wish. 你能跟一个装罐工一样装罐头吗？ 麻烦没来找你，就别去自找麻烦。 我希望许和你一样的愿望，若你的愿望跟巫婆想许的愿望是一样的，我就不想和你许一样的愿望。 n. v. 情态v. 2. 转化法 Conversion 归 纳：由________词性转化为 __________或_________词性，词 形不变，词性发生变化，这样的构词方法叫做转化法。 另一种 几种 一种 2. 转化法—常见类型 动词 → 名词 walk → take a walk _________ swim → have a swim _________ 名词 → 动词 book n. → v._________milk n. → v._________ 形容词 → 动词 slow adj. → v._________ narrow adj. → v.___________ 形容词↔副词 hard adj.困难的↔adv._________ high adj.高的↔adv.___________ deep adj.深的↔adv.___________ wide adj.宽的↔adv.___________ 散步 游泳 预订 挤奶 减慢 使...变窄 努力地 高 深 广阔地 Practice 猜测词义 1.(2024·新高考I卷) Further, the Silk Route Garden around the greenhouse walks visitors through a journey influenced by the ancient Silk Road, by which silk as well as many plant species came to Britain for the first time. 2.(2024·新高考Ⅱ卷) In the wrong hands, such a book could prove as complicated to process as the computer code (代码) that powers AI but, thankfully, Campbell has more than two decades’ professional experience translating the heady into the understandable. vt. 引导游客参观... vt. 驱动 Word Formation 构词法 1. 合成法 compound 2. 转化法 Conversion 3. 缩略法 Abbreviation 4. 派生法 Derivation 30 首字母缩略 United Nations → _________ 联合国 Very Important Person → _________ 贵宾 Post Office Box → _________ 邮政信箱 缩短词 examination → _________ 考试 application → _________应用 拼缀词 smoke + fog = _________ 烟雾 motor + hotel = _________汽车旅馆 UN VIP POB exam app smog motel 3. 缩略 Abbreviation Practice 猜测词义 1.(2024·新高考I卷) “Biodiversity apps can use our study results to inform users of oversampled areas and lead them to places—and even species—that are not well-sampled. To improve the quality of observational data, biodiversity apps can also encourage users to have an expert confirm the identification of their uploaded image.” 2.(2024·新高考Ⅱ卷) Given the astonishing potential of AI to transform our lives, we all need to take action to deal with our AI-powered future, and this is where AI by Design: A Plan for Living with Artificial Intelligence comes in. n. 应用程序application program n. 人工智能artificial intelligence Word Formation 构词法 1. 合成法 compound 2. 转化法 Conversion 3. 缩略法 Abbreviation 4. 派生法 Derivation 33 unbelievable 词根 root 前缀 prefix 后缀 suffix 木---杨、榕、桂、杉 钅---铁、钉、钱、银 讠---说、话、讲、谈 meaning (意思) part of speech (词性) 4. 派生法 Derivation ☆☆☆☆☆ 改变单词的______ 改变单词的_________ 归 纳：派生是由一个词根加上_______或_________，构成另一个词。 这样的构词法叫做派生法。前缀：一般改变 ；后缀：一般改变 。 前 缀 后 缀 一个英语单词可以分为三个部分： 前缀（prefix），词根（root word），后缀（suffix） 词义 词性 1. 形容词变副词的后缀 在形容词后加－ly可变成相应意义的副词 普遍规律：+－ly extreme → extremely 尤其；非常 stupid →_________ 傻地 辅+y结尾：y －i +ly happy → happily快乐地 merry →_________快乐地 以le结尾：e y probable → probably 可能 gentle →_________温柔地 horrible →_________ 可怕地；非常地 以ic结尾：+ally basic → basically基本上 energetic→_______________精力充沛地 dramatic →________________戏剧地；剧烈地 个别特殊变化 true → truly真正地 shy → shyly 害羞地whole→ wholly完全地 full→ fully完全地 stupidly merrily gently horribly energetically dramatically 观察 + 总结 +练习 Practice 语法填空 (2024·青岛三模) Lhasa,the second most populous urban area on the Tibetan Plateau,has been the administrative capital of Tibet since the mid-17th century. If you've ever had the chance 36 to ~ ( visit)it,there are many places you 37 (simple) cannot miss. Even if it’s the placebo (安慰剂) effect, that can be __________(incredible) powerful. The following four are from the things to do in China, and you’ll _________ (probable) prefer to take part in them. _______(luck), science was on the case. Studies show that creative thought often happens when you _______ (regular) switch between tasks. ___________(fortunate),the surgery was successful. I went home with my lovely child happily as well as _________(grateful). The trouble is, in today’s world, it’s _________(extreme) difficult to avoid. A gentle breeze ______(soft) kissed me. _____________, (economic)Asia is still the most dynamic region in the world. incredibly probably Luckily regularly Fortunately gratefully extremely softly Economically simply 后缀 例词 －age short →shortage不足；短缺 －cy efficient → efficiency 效率；功效 accurate →___________准确性 －dom wise →wisdom 明智；智慧 free →_________自由；自主 －ence different →difference差异 silent →___________沉默 －ness weak → weakness 虚弱；弱点 careless →_____________粗心大意 －th strong → strength力气；强项 wide →_________宽 －y/ty/ity disable →disability无能；残疾 responsible →_____________责任 2. 形容词变名词的后缀 accuracy freedom silence carelessness width responsibility 观察 + 总结 +练习 Practice 语法填空 (2024·新高考全国Ⅰ卷) The Glasshouse stands 63 as a great achievement in contemporary design, to house the plants of the southwestern part of China at the end of a path retracing (追溯) the steps along the Silk Route 64 that brought the plants from their native habitat in Asia to come to define much of the 65 (rich) of gardening in England. (2024·新高考全国ⅠI卷) Those cultural elements have increased Stratford’s international 62 (visible), said Edmondson, adding that visitors walking through the Birthplace Garden were often amazed 63 to ~ (find) the connection between the two great writers. (2023·新高考全国Ⅰ卷) When enough of these errors ___________(short) together, they cancel each other out, resulting in a more accurate estimate. (2024·高二下期中) Paper-making is the combination of Chinese people's 65 (wise)and crafsmanship,and Xuan paper is the peak of paper-making. wisdom richness visibility shortage 3. 动词变名词的后缀 后缀 例词 －al approve →approval赞成；批准 arrive →_____________到来 －ance appear →appearance出现；外貌 perform →_____________表演；节目 －ence exist →existence存在；生存 refer →_____________参考；查阅 －ion construct →construction建设 evaluate →_______________评估 －ation consider →consideration考虑 invite →_______________ 邀请 －(s)sion discuss →discussion讨论；辩论 admit →____________接纳；准许入学 －ing hear →hearing 听力；听觉 begin →_____________开始 －ment argue →argument辩论；论据 equip →_______________设备 －ure fail →failure失败；没做到 press →______________压力 －ture mix → mixture混合；混合物 depart →____________离开；出发 －y recover →recovery恢复；痊愈 discover →_______________发现 －age marry →marriage 婚姻 其他 vary →variety多样化；种类 tend →tendency趋向；趋势 arrival performance reference evaluation invitation admission beginning equipment pressure departure discovery 观察 + 总结 +练习 Practice 语法填空 (2024·1 浙江卷)Many supermarkets are no longer doing “buy one get one free” promotions because of the 40 (criticize) that they lead to waste. (2024·5青岛二模) The 41 (grow) of product economy and handicraft( 手 工 艺 )industry along with the advancement in printing during the Song Dynasty 42 changed (change)the manufacture of Chinese New Yearpicture from mainly hand-painting to woodcut painting, making it richer both 43 in category and content. The_______ (fly) was cancelled as a result of the terrible weather. Even if you fail once again, it doesn't suggest that you are a _________. (fail) (2023·新高考全国Ⅱ卷) As cities balloon with ________(grow), access to nature for people living in urban areas is becoming harder to find. (2023·新高考II卷) Since June 2017, right before the ________ (arrive) of the two new pandas, Meng Meng and Jiao Qing, I have been helping the panda keepers at the zoo to feel more comfortable and confident speaking English. growth arrival flight failure criticism growth 4. 表示“人”的后缀 后缀 例词 －er village → villager村民 photograph →__________________摄影师 －ar lie →liar说谎者 －ee employ → employee受雇者；雇员 interview →_________________被面试者 －or invent →inventor发明家 educate →_________教育家；教师 －ess steward → stewardess女乘务员 host →______________女主人；女主持人 －ese China →Chinese中国人 Japan →____________日本人 －an America → American美国人 Australia →____________澳洲人 －ian history →historian历史学家 politics →________________政治家；政客 statistics →statistician统计学家 music→_________________音乐家 －ist special →specialist专家 tour →______________旅行者；观光者 minimal → minimalist 极简主义者 commune→________________共产主义者 －ant participate →participant参加者 assist →_______________助手；图书管理员 photographer interviewee educator hostess Japanese Australian politician musician tourist communist assistant 观察 + 总结 +练习 teacher 老师professor 教授 educator 教师 beggar 乞丐 conductor 指挥；售票员 /kənˈdʌktə(r)/ hostess 女主持人 assistant / librarian 图书管理员 Practice 语法填空 1)(2022年6月浙江卷) John Olson, a former __________________ (photograph) and his team turn paintings into fully textured 3D models. 2)(2023·新高考全国Ⅰ卷) You can view these practices as a toolbox meant to aid your efforts to build a _______________ (minimal) lifestyle that words for your particular circumstances. 3)(2023·新高考全国Ⅰ卷) On March 7, 1907, the English _______________(statistics) Francis Galton published a paper which illustrated what has come to be known as the “wisdom of crowds” effect. 4)(2023·新高考全国Ⅱ卷) The researchers then examined these submissions, coding (编码) experiences into different categories. For example, one _____________ (participate) experience of “We sat and listened to the waves at the beach for a while” was assigned the categories “sitting at beach” and “listening to waves.” photographer minimalist statistician participant’s 5. 动词、名词变形容词的常见后缀 后缀 例词 －able value →valuable有价值的 consider →_______________相当大的 －al person → personal个人的；私人的 nature →_____________自然的；天生的 －ful hope →hopeful有希望的 peace →______________和平的 －ed confuse →confused感到困惑的 bore →______________感到厌倦的 －ing surprise →surprising令人惊讶的 convince →______________令人信服的 －ible access →accessible容易到达的 horror →____________可怕的；恐怖的 －ive effect →effective有效的；生效的 instruct →______________有教育意义的 talk →talkative健谈的 create →_________________有创造力的 －ous anxiety →anxious忧虑的 curiosity →________________好奇的 space →spacious宽敞的 glory →________________光荣的 －some tire →tiresome令人厌倦的 trouble →______________麻烦的 －y taste →tasty美味的；可口的 wealth →__________富裕的；丰富的 dirt →dirty有灰尘的；脏的 rain →___________ 多雨的 －ern east →eastern东方的；向东的 west →___________西方的；向西的 －ish fool →foolish愚蠢的；可笑的 self →___________自私的 －ic science →scientific科学的 history →___________历史上著名的 －ary imagine →imaginary想象中的 considerable natural peaceful bored convincing horrible instructive creative curious glorious troublesome wealthy rainy western selfish historic 观察 + 总结 +练习 Practice 语法填空 (2024·新高考全国I卷) In cold weather, the structure stays 59 (close) to protect the plants. (2024·新高考I卷) The latest 56 ~ing (engineer) techniques are applied to create this protective 57 (function) structure that is also beautiful. (2024·青岛三模)No more 43 (mess)wires ruining your view so now you can become completely involved in the scenery 44 without anything that turns your attention away. (2024·高二下期中)The traditional craft of making Xuan paper is extremely 60 (demand) . (2023年1月浙江高考卷) The hutongs they formed were orderly, lined by __________ (space) homes and walled gardens. Farther from the center lived the commoners and laborers. (2022·浙江6月考) Those letters taught my children a _________ (value) lesson about writing: it has a purpose. Sometimes our purpose is to achieve something; other times it may be to entertain, inform, or persuade. (2021·新高考全国I卷) A history book which may contain the facts in story form will be easier to read than one dealing with ___________ (science) subjects. closed scientific spacious functional demanding valuable messy 6. 表示否定或相反意义的前缀和后缀 前缀 例词 dis－ advantage → disadvantage缺点 comfort →_______________不舒适 il－ legal →illegal不合法的 logical →_______________不合逻辑的 im－ patient →impatient不耐烦的 moral →________________不道德的 in－ formal →informal非正式的 convenient →_______________不方便的 ir－ regular →irregular不规则的 responsible →______________不负责任的 mis－ lead →mislead误导 understand →_________________误解 un－ willing →unwilling不愿意的 happy →_____________不高兴的 后缀 例词 －less hope →hopeless绝望的 care →_______________粗心的 discomfort illogical immoral inconvenient irresponsible misunderstand unhappy careless 观察 + 总结 +练习 Practice Guess the meaning of the words underlined. 1)(2023•浙江1月考) The author’s father disapproved of buying groceries with jars. __________ 2)(2023·新高考全国Ⅱ卷) More recently, as books have become inexpensive or even throwaway, artists have used them as the raw material for artworks. ___________ 3)(2021·全国乙卷)The differences between most of the groups were statistically insignificant. ___________ 不同意 便宜的 意义不大的 7. 变动词的前缀和后缀 前缀 例词 en－ large →enlarge扩大 rich →_________使充实；使丰富 后缀 例词 －en broad →broaden使变宽 straight →______________变直 red →redden变红；脸红 tight →_______________拉紧 －ify class →classify把……分类 just →____________证明…有道理 identity → identify确定; 识别 quality →___________使合格;符合 －ize apology →apologize道歉 emphasis →___________强调 familiar → familiarize熟悉; (使)了解 modern →_________使现代化 enrich straighten tighten justify qualify emphasize modernize 观察 + 总结 +练习 She does exercise to __________ her muscle. strengthen Practice Studying abroad can help ______ your horizon. broaden Practice 知识图谱 派 生 词 Practice 当堂巩固 (2024·青岛二模)After being listed as National Intangible Cultural Heritage in 2006,woodcut New Year picture has enjoyed 44 (great) popularity, significantly influencing the artistic styles of other nations as well. (2024·新高考全国II卷)Two years later, a six-meter-tall pavilion, 60 (inspire) by The Peony Pavilion, 61 (build) at the Firs Garden, just ten minutes’ walk from Shakespeare’s birthplace. (2024·青岛三模)The Barkhor Street, 41 where all high tech has been used to create a good atmosphere,is a popular place for 42 (local)and now for tourists.The local crew teamed up with the brainiacs from the Chinese Academy of Sciences and built this wireless street lamp network. (2024·高二下期中)The 64 (thin)Xuanpaper ever known can be as thin as the wings of a cicada (蝉),butitisvery resistant to damage brought by time. (2024·青岛三模)It stands as one of the most appealing sites in Tibet as it 39 (house) the statue of Shakyamuni Buddha that's more than 2,500 years old, with tons of people 40 (look) around. (2024年新高考全国II卷)Those stable cultural legacies have brought Stratford international visibility said Edmondson, adding that visitors walking through the Shakespeare Birthplace garden were often intrigued         (find) the connection between those two literary giants. inspired was built greater locals thinnest looking to find Self-assessment 课后教学评价表 评价要素 自我评价 组员评价 很好 好 一般 较差 I have a better understanding about word formation; I can figure out common prefixes and suffixes through observing and practicing; I can complete the exercises adapted from past exam papers; I have more confidence in remembering words and learning English. Make an evaluation according to the table below and hand it in. Homework Summarize what have been learned in a way of mind map; Finish the exercise sheet. Homework 课后作业 【2024. 全国甲卷】 Although parks of all sizes and types exist at any level, the national parks, in particular, tend 61 (catch) our attention because of their large size and variety. They are 62 (treasure) of American heritage (遗产). How did the national park system come about? On a cool, starry night in mid-September 1870, four men relaxed before a campfire along the Firehole River in 63 is now northwestern Wyoming. They 64 (be) part of a 15-member exploring party that had spent almost five awesome weeks in witness of the natural beauties there. What should 65 (do) with such a beautiful place? They wondered out loud. This area, with 66 (it) unique and breathtaking natural beauty, must be well preserved 67 all people of the nation to enjoy—as a national park. They all agreed and vowed (承诺) to promote the idea at the 68 (complete ) of their journey. Their promotional work paid off. Two years later, 18 years before Wyoming became a state, Yellowstone became the first national park in the United States and the world. Yellowstone was the 69 (large) United States national park—2.2 million acres—until Wrangell-Saint Elias in southern Alaska, 70 became a national monument in 1978, took the honors as a national park in 1980 with 12.3 million acres. 61. to catch考查非谓语动词。句意：国家公园尤其容易引起我们的注意。分析句子结构可知，句中已有谓语动词tend，设空处应用非谓语动词。tend to do sth.为固定搭配，表示“倾向于做某事”。因此，设空处应用动词不定式形式。故填to catch。 62. treasures考查名词的数。句意：它们是美国遗产的瑰宝。分析句子结构并结合句意可知，设空处做系动词are的表语，意为“珍宝”，应用名词形式。treasure为可数名词单数，且设空处前无表示单数意义的限定词，应使用复数形式。故填treasures。 63. what考查连词。句意：四个人在现在的怀俄明州西北部的火洞河边的营火前放松。分析句子结构并结合句意可知，设空处引导介词宾语从句，设空处在从句中充当主语，表示“什么”，应用what。故填what。 64. were考查动词的时态和主谓一致。句意：他们是15人探险队的一部分……分析句子结构并结合句意可知，设空处做句子的谓语。主语They为代词的复数形式，且这里描述的是过去的情况。故填were。 65. be done考查动词的语态。句意：对于这么美丽的一个地方，应该做些什么呢？分析句子结构并结合句意可知，设空处做特殊疑问句中的谓语，应用被动形式，且情态动词should后接动词原形。故填be done。 66. its考查形容词性物主代词。句意：这个地方有着独特而令人惊叹的自然美景，必须被妥善保存供全国人民欣赏。分析句子结构并结合句意可知，设空处修饰后面的名词beauty，应用形容词性物主代词。故填its。 67. for考查介词。句意：必须被妥善保存供全国人民欣赏。分析句子结构并结合句意可知，这里表示“为了”。故填for。 68. completion考查词类转换。句意：在他们的旅程结束时，他们都同意并发誓要宣传这个想法。at the completion of ...为固定搭配，表示“在……结束时”。故填completion。 69. largest考查形容词的最高级。句意：黄石国家公园是美国最大的国家公园。分析句子结构并结合句意可知，设空处应用形容词最高级形式修饰后面的名词United States national park。故填largest。 70. which考查定语从句。句意：直到阿拉斯加南部的Wrangell-Saint Elias在1978年成为国家纪念碑，并在1980年成为国家公园，获得12.3百万英亩的荣誉。分析句子结构并结合句意可知，设空处引导非限制性定语从句，修饰先行词Wrangell-Saint Elias，且先行词在从句中充当主语，指物，应用关系代词which。故填which。 Thanks $$