专题46.词义猜测题——上下文中求答案---2023届高三英语总复习 （通用版）

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词义猜测题——上下文中求答案   [考查内容][设问方式]　　根据上下文猜测词义是阅读能力的一部分，也是高考阅读理解测试中重要的一项。要做好这类题目，考生要记住：在完整的语篇中，单词和词组的意义总是受特定的语境、上下文限制的，因此考生可以根据上下文，并利用所掌握的语法、词汇和构词法等知识确定它们的意义。词义猜测可以是对一个单词的意义的推断，也可以是对一个短语或句子的意义的推断；既可以考查生词的意义，也可以考查熟词的新义，还可以是对替代词所替代内容的判断。在阅读理解题中，所考查的词或短语的意义往往不停留在字面上，而要根据短文提供的语境，通过阅读上下文，根据已知的信息或常识来推测尚不熟悉的词或短语的含义。By saying that “...” in the first (second ...) paragraph, the author means that ________.In Paragraph ..., “...” can be replaced by “______”．The meaning of “...” in Paragraph ... is related to ________.Which of the following has the closest meaning to ... (Paragraph ...)？As is used in Line ..., the word “...” refers to ________.The underlined sentence in the ... paragraph probably means that ________.　　　　　　　　词义猜测题7大猜词技巧 要做好词义猜测题，考生除了必须熟练掌握《考试大纲》规定的词汇外，在平时的训练中还要注意积累生词和短语，掌握构词法的基本知识，对于各种前、后缀的变化形式了然于心，还要学会根据上下文语境进行合理推测，掌握一定的解题技巧。 一根据定义或上下文解释进行猜测 有时短文中出现一个需要猜测其意义的词或短语，下面接着出现其定义或解释。标点符号，如逗号后的解释(名词同位语)、破折号后的解释、括号内的解释等。这都是判断该词或短语意义的主要依据。例如：①Annealing is a way of making metal softer by heating it and then letting it cool very slowly.句子给予了annealing一个明确的定义，即“退火”。②It will be very hard but also very brittle — that is, it will break easily.从that is(也就是说)后的解释中我们可以了解到，brittle是“脆的”意思。③The herdsman,_who looks after sheep, earns about 650 yuan a year.定语从句中looks after sheep就表明了herdsman的词义为“牧人”。④The weather in this area is treacherous;_its sudden changes often endanger the lives of sailors.分号后的句子在解释什么样的天气是treacherous, sudden change与treacherous在语义上相对应，因此含义是“突变的”。⑤Some good readers find it helpful to use their sense to visualize — or picture — what they read.visualize的意思由破折号后的picture(想象)给出了说明，因此含义为“想象”。⑥When President Torrijos of Panama met Carter, he tried to give him a friendly abrazo (hug)．abrazo对大多数人来说都很陌生，但由括号内的hug(拥抱)，我们不难推测abrazo也是“拥抱”的意思。 [例1]Soon afterwards, many of those people started settling down to become farmers, and their languages too became more settled and fewer in number. In recent centuries, trade, industrialisation, the development of the nation­state and the spread of universal compulsory education, especially globalisation and better communications in the past few decades, all have caused many languages to disappear, and dominant languages such as English, Spanish and Chinese are increasingly taking over.29．Which of the following best explains “dominant” underlined in paragraph 2?A．Complex.　　 　 　 B．Advanced.C．Powerful.  D．Modern.[分析]　根据画线词所在句子可知，人类社会发展的很多因素导致许多语言消失，而逐渐被英语、西班牙语、汉语等语言取代，画线词前后的解释暗示了这些语言逐渐占主导地位，故选C项powerful (强大的，有影响力的)。 2022年普通高等学校招生全国统一考试（全国甲卷）C篇节选Ever since her childhood, Ginni, now 71, has had a deep love for travel. Throughout her career (职业) as a professional dancer, she toured in the UK, but always longed to explore further. When she retired from dancing and her sons eventually flew the nest, she decided it was time to take the plunge.28. Which of the following best explains “take the plunge” underlined in paragraph 2?A. Try challenging things. B. Take a degree.C. Bring back lost memories. D. Stick to a promise.A【解析】词句猜测题。根据第二段划线词前文“Throughout her career(职业) as a professional dancer, she toured in the UK, but always longed to explore further. (在她的职业舞蹈演员生涯中，她曾在英国巡演，但一直渴望进一步探索)”和“When she retired from dancing and her sons eventually flew the nest (当她不再跳舞，她的儿子们最终独立生活)”可知，Ginni在退休和儿子们成家立业之后，她决定尝试有挑战性的事情。由此推知，划线词组take the plunge与try challenging things“尝试有挑战性的事情”意思接近。故选A。 二．根据同位关系进行猜测 阅读中出现的难词有时后面紧跟一个同位语，对前面的词进行解释，因此可利用同位关系对前面的词义或句意进行猜测。例如：①They traveled a long way, at last got to a castle,_a large building in old times.同位语部分“a large building in old times”给出了castle的确切词义，即古时候的“城堡”。②We are on the night_shift — from midnight to 8 a．m. — this week.两个破折号之间的短语很清楚地表明night shift是“夜班”的意思。③The “Chunnel”， a tunnel (隧道) connecting England and France, is now complete.此句中“a tunnel (隧道) connecting England and France”是Chunnel的同位语。因此，Chunnel指的就是英法之间的海底隧道。[例2]I am Peter Hodes, a volunteer stem cell courier. Since March 2012, I've done 89 trips — of those, 51 have been abroad. I have 42 hours to carry stem cells (干细胞) in my little box because I've got two ice packs and that's how long they last. In all, from the time the stem cells are harvested from a donor (捐献者) to the time they can be implanted in the patient, we've got 72 hours at most. So I am always conscious of time.29．Which of the following can replace the underlined word “courier” in Paragraph 1?A．provider  B．delivery manC．collector  D．medical doctor[分析]　“a volunteer stem cell courier”是“Peter Hodes”的同位语；根据文中“I have 42 hours to carry stem cells (干细胞) in my little box”可知，Peter Hodes的任务就是将捐献者捐献的干细胞运送给需要的病人，即作者是干细胞递送员。故选择B项。 2022年普通高等学校招生全国统一考试（全国乙卷）C篇节选That includes huge savings in maintenance costs and better protection of railway personnel safety. It is calculated that European railways alone spend approximately 20 billion euros a year on maintenance, including sending maintenance staff, often at night, to inspect and repair the rail infrastructure. That can be dangerous work that could be avoided with drones assisting the crews’ efforts. 29. What does “maintenance” underlined in paragraph 3 refer to?A. Personnel safety. B. Assistance from drones.C. Inspection and repair. D. Construction of infrastructure.C【解析】词义猜测题。根据后文“It is calculated that European railways alone spend approximately 20 billion euros a year on maintenance, including sending maintenance staff, often at night, to inspect and repair the rail infrastructure. (据统计，仅欧洲铁路公司每年在铁路维护上的花费就约为200亿欧元，其中包括经常在夜间派遣维修人员检查和维修铁路基础设施)”可知花在maintenance上的费用是用于“inspect and repair the rail infrastructure （检查和维修铁路基础设施”，由此可知“That includes huge savings in maintenance costs and better protection of railway personnel safety”是指大幅节省检修成本和更好地保护铁路人员安全，划线词和 C项：Inspection and repair(检修)含义相近。故选C。 三．根据构词法(前缀、后缀、派生等)进行猜测 在英语中，有很多词可以通过增加前缀和后缀的方式，构成新词。乍看起来，这个词可能是新词，但在掌握了一定的构词知识之后，就不难猜出它的词义。例如：①“Our parties are aimed for children 2 to 10，” Anaclerio said, “and they're very interactive and creative in that they built a sense of drama based on a subject.”文中interactive是由前缀inter­(相互的)和active(活动的，活跃的)构成的，同时根据上下文的意思可以判断，该词的含义应是“互动的”。②Perhaps, we can see some possibilities for next fifty years. But the next hundred?possibility是possible的同根名词，据此可以判断possibility的意思是“可能性”。 [例]A silence in a conversation may also show stubbornness, uneasiness,_or worry.[分析]　根据构词法知识我们可知，un­为否定前缀，­ness为名词后缀，easy(舒适)为词根。因此，我们可猜测uneasiness为“不安；担忧”之意。 四．根据因果关系进行猜测 在一篇阅读文章中，根据原因可以预测结果，根据结果也可以找出原因。例如：①The lack of movement caused the muscles to weaken. Sometimes the weakness was permanent. So the player could never play the sport again.从后面的结果“永远不能再运动”可以推测permanent的意思为“永远的，永久的”。②Mary didn't notice me when I came into the classroom, because she was completely engrossed in her reading.从前面的结果“当我走进教室时，玛丽没有注意到我”可以推测engrossed的意思为“全神贯注的”。③Our vision was obscured by the trees, so we couldn't see the lake from our window.由后面的结果couldn't see(看不见)可知，我们的视线被树遮挡住(obscured)了。[例]　…If you have a_juicer,_you can simply feed in frozen bananas and some berries or sliced fruit. Out comes a “softserve” creamy dessert, to be eaten right away. This makes a fun activity for a children's party; they love feeding the fruit and frozen bananas into the top of the machine and watching the ice cream come out below.26．What is “a juicer” in the last paragraph?A．A dessert.  B．A drink.C．A container.  D．A machine.[分析]　该段第一句含有一个if引导的条件状语从句，若满足该条件，则产生的结果是第一句的后半句和第二句， “you can simply feed in frozen bananas and some berries or sliced fruit. Out comes a ‘soft­serve’ creamy dessert, to be eaten right away.” 即“将冰冻香蕉和其他莓类、水果片放进去，出来的是奶油状甜品”。由此因果关系可推知juicer指的是榨汁机。故选择D项。 五．根据上下文的指代关系进行猜测 文章中的代词it, that, he, him或them可以指代上文提到的人或物，其中it和that还可以指代一件事。有时代词指代的对象相隔较远，要认真查找；有时也需要对前面提到的内容进行总结，才能得出代词所指代的事物。例如：①Like Schmid, the editors of several self­published art magazines also champion (捍卫) found photographs. One of them,_called simply Found, was born one snowy night in Chicago, when Davy Rothbard returned to his car to find under his wiper (雨刷) an angry note intended for someone else：“Why's your car HERE at HER place？”them指的是前面出现的self­published art magazines。②However, the question that “moon people” asked is still an interesting one. A growing number of scientists are seriously thinking about it.it指的是月球人(moon people)所问的问题(the question)。[例]　…[2]Despite the celebrations, though, in the U．S.the jazz audience continues to shrink and grow older, and the music has failed to connect with younger generations.[3]It's Jason Moran's job to help change that.As the Kennedy Center's artistic adviser for jazz, Moran hopes to widen the audience for jazz, make the music more accessible, and preserve its history and culture.…29．What does the underlined word “that” in paragraph 3 refer to?A．Jazz becoming more accessible.B．The production of jazz growing faster.C．Jazz being less popular with the young.D．The jazz audience becoming larger.[分析]　根据语境可知，画线词that指代第二段“Despite the celebrations, though, in the U．S. the jazz audience continues to shrink and grow older, and the music has failed to connect with younger generations.”的内容，即爵士乐听众的数量减少并且趋于老龄化，不受年轻人喜欢的现状。故选C。 2022年普通高等学校招生全国统一考试（新高考I卷）C篇节选Wendy Wilson, extra care manager at 60 Penfold Street, one of the first to embark on the project, said: “Residents really welcome the idea of the project and the creative sessions. We are looking forward to the benefits and fun the project can bring to people here.”30. What do the underlined words “embark on” mean in paragraph 7?A. Improve. B. Oppose. C. Begin. D. Evaluate.C【解析】词义猜测题。根据文章倒数第二段“Residents really welcome the idea of the project and the creative sessions. We are looking forward to the benefits and fun the project can bring to people here. (居民们非常欢迎该项目的想法和创意会议。我们期待这个项目能给这里的人们带来好处和乐趣)”以及划线处前的“one of the first (第一批人之一)”可知Wendy Wilson是着手这项工程的人之一，划线处的含义与C项：“Begin (开始)”含义相近。故选C。 六．根据同义或近义关系进行猜测在同一句、同一段或同一篇文章中，作者为了避免语言的单调、重复，有时会使用意思相同或相近的词。因此，考生只要读懂上下文，知道其中一个词的意思，就能猜出另外一个词的意思。[例]Adults understand what it feels like to be flooded with objects. Why do we often assume that more_is_more when it comes to kids and their belongings? The good news is that I can help my own kids learn earlier than I did how to live more with less.…32．What do the words “more is more” in paragraph 1 probably mean?A．The more, the better.B．Enough is enough.C．More money, more worries.D．Earn more and spend more.[分析]　根据该段第一句“Adults understand what it feels like to be flooded with objects.”可知，作者认为成年人都理解物质过剩的那种感觉，后面又用反问句提出了问题：但是，说到孩子们和他们的物品，我们为什么通常又认定more is more呢？由此推知，这里的 more is more与前面的 flooded with为近义呼应，指“越多越好”。故选A。 七．根据转折或对比关系进行猜测 根据上下句的连接词，如but, however, otherwise等可以推断上下文之间的逻辑关系，从而可以依据某一句的含义，来确定另一句的含义。另外，分号也可以表示转折、对比或不相干的意义。例如：①A child's birthday party doesn't have to be a hassle;_it can be a basket of fun.从分号前后两句的意思可以看出，hassle和a basket of fun是相反的意义，所以不难判断hassle的意思是“困难，麻烦”。②She is usually prompt for all her class, but today she arrived in the middle of her first class.but一词表示转折，因此but前后的意思正好相反。根据后半句的意思“她今天第一节课上了一半才来”，可得出她平时一向“准时”的结论。③The players in the World Cup are professionals, while those who play in the Olympics must be amateurs.由于转折词“while”引导的两个分句前后意义相反，我们可推测出amateurs是professionals(专业人士)的反义词，意思为“业余人士，业余选手”。[例]　…Gray wolves once were seen here and there in the Yellowstone area and much of the continental United States, but they were gradually displaced by human development. By the 1920s, wolves had practically disappeared from the Yellowstone area. They went farther north into the deep forests of Canada, where there were fewer humans around.…29．What does the underlined word “displaced” in paragraph 2 mean?A．Tested.  B．Separated.C．Forced out.  D．Tracked down.[分析]　画线词的前句说明在黄石公园和美洲大部分地区曾有许多的灰狼，连词but转折了句子意义，后来由于人类的发展，灰狼数量逐渐减少，几乎消失，由此可推断出画线词的意思为“被迫离开”，故选择C项。2022年普通高等学校招生全国统一考试（新高考全国Ⅱ卷）B篇节选This hit home for me as I was sitting with my 2-year-old grandson on a sofa over the Spring Festival holiday. I had brought a children’s book to read. It had simple words and colorful pictures — a perfect match for his age. 4. What do the underlined words “hit home for me” mean in paragraph 2?A. Provided shelter for me. B. Became very clear to me.C. Took the pressure off me. D. Worked quite well on me.B【解析】词句猜测题。根据第一段“We journalists live in a new age of storytelling, with many new multimedia tools. Many young people don’t even realize it’s new. For them, it’s just normal.”以及画线词后文“as I was sitting with my 2-year-old grandson on a sofa over the Spring Festival holiday.”可知，作者是记者，生活在一个讲故事的新时代，有许多新的多媒体工具。许多年轻人甚至没有意识到它是新的。对他们来说，这很正常。而这在春节假期，作者和两岁的孙子坐在沙发上，尤其清楚认识到了这一点。故画线词意思是“我很清楚”。故选B。 2022年普通高等学校招生全国统一考试（新高考全国Ⅱ卷）C篇节选"We need something on the books that can change people's behavior,” said Félix W. Ortiz, who pushed for the state's 2001 ban on hand-held devices by drivers. If the Textalyzer bill becomes law, he said, "people are going to be more afraid to put their hands on the cell phone."10. What does the underlined word "something" in the last paragraph refer to?A. Advice. B. Data. C. Tests. D. Laws.D【解析】词义猜测题。根据句中的“We need something on the books that can change people's behavior.”（我们需要一些能改变人们行为的东西，）可知，something是能够改变人们的行为的事情。根据下文的“If the Textalyzer bill becomes law, he said, "people are going to be more afraid to put their hands on the cell phone.”（他说，如果Textalyzer法案成为法律，“人们会更害怕拿起手机。）可知，人们的行为会改变的条件是当Textalyzer法案成为法律。收到法律的约束和惩罚，司机们才不会在开车的时候使用手机。故something指代的是法律。故选D。  随堂练习2021年高考全国甲卷CWhen I was 9, we packed up our home in Los Angeles and arrived at Heathrow, London on a gray January morning. Everyone in the family settled quickly into the city except me. Without my beloved beaches and endless blue—sky days, I felt at a loss and out of place. Until I made a discovery.Southbank, at an eastern bend in the Thames, is the center of British skateboarding, where the continuous crashing of skateboards left your head ringing .I loved it. I soon made friends with the local skaters. We spoke our own language. And my favorite: Safe. Safe meant cool. It meant hello. It meant don't worry about it. Once, when trying a certain trick on the beam（横杆）, I fell onto the stones, damaging a nerve in my hand, and Toby came over, helping me up: Safe, man. Safe. A few minutes later, when I landed the trick, my friends beat their boards loud, shouting: “ Safe! Safe! Safe!” And that's what mattered—landing tricks, being a good skater.When I was 15, my family moved to Washington. I tried skateboarding there, but the locals were far less welcoming. Within a couple of years, I'd given it up.When I returned to London in 2004, I found myself wandering down to Southbank, spending hours there. I've traveled back several times since, most recently this past spring. The day was cold but clear: tourists and Londoners stopped to watch the skaters. Weaving（穿梭）among the kids who rushed by on their boards, I found my way to the beam. Then a rail—thin teenager, in a baggy white T—shirt, skidded（滑）up to the beam. He sat next to me. He seemed not to notice the man next to him. But soon I caught a few of his glances. “I was a local here 20 years ago,” I told him. Then, slowly, he began to nod his head. “Safe, man. Safe.”“Yeah,” I said. “Safe.”8. What can we learn about the author soon after he moved to London?A. He felt disappointed. B. He gave up his hobby.C. He liked the weather there. D. He had disagreements with his family.9. What do the underlined words “Safe! Safe! Safe!” probably mean?A. Be careful! B. Well done! C. No way! D. Don't worry!10. Why did the author like to spend time in Southbank when he returned to London?A. To join the skateboarding. B. To make new friends.C. To learn more tricks. D. To relive his childhood days11. What message does the author seem to convey in the text?A. Children should learn a second language.B. Sport is necessary for children's health.C. Children need a sense of belongingD. Seeing the world is a must for children.【分析】本文属于记叙文。本文讲述作者自己的经历，起初搬到伦敦很不适应，但是由于找到了玩滑板的地方，结识了玩滑板的朋友，因此很好的适应了。作者回到伦敦之后，经常去之前玩滑板的地方寻找自己的回忆，在与一个玩滑板的孩子打招呼的时候，终于找到了自己久违的熟悉感。8A【解析】推理判断题。根据第一段“Everyone in the family settled quickly into the city except me. Without my beloved beaches and endless blue -sky days, I felt at a loss and out of place.(除了我之外的家里人都很快适应这个城市，没有了我喜爱的沙滩和蓝天，我感到迷茫和无措)”可知，作者刚到伦敦的时候因为没有喜爱的沙滩，不能很好的融入到新的城市，感到很沮丧，故选A。9B【解析】词义猜测题。根据画线词后文“And that's what mattered—landing tricks, being a good skater. (那才是真正重要的——滑板的落地技巧掌握了才是一名好的滑板玩家)”可知，作者掌握了滑板落地技巧，因此他的朋友大声欢呼，因此可以推出本句的Safe是赞美的含义，结合选项，故选B。10D【解析】推理判断题。根据第四段““I was a local here 20 years ago," I told him. Then, slowly, he began to nod his head. “Safe, man. Safe.””(我告诉他：“我20年前经常在这里玩滑板，”他缓慢地开始向我点头：“嗨，你好！”)”可推知，作者去Southbank这个地方是为了寻找自己玩滑板的回忆，故选D。11C【解析】推理判断题。根据全文可知，作者起初搬到伦敦很不适应，但是由于找到了玩滑板的地方，结识了玩滑板的朋友，因此很好的适应了。但是搬去华盛顿，因为没有遇到很好的玩滑板的朋友，几年之后就不再玩滑板，作者回到伦敦之后，经常去之前玩滑板的地方寻找自己的回忆，在于一个孩子打招呼的时候，终于找到了自己久违的回忆。通过作者的经历，作者要表达的是，归属感对于孩子是很重要的，故选C。 2021年高考全国乙卷BWhen almost everyone has a mobile phone, why are more than half of Australian homes still paying for a landline（座机）?These days you’d be hard pressed to find anyone in Australia over the age of 15 who doesn’t own a mobile phone. In fact plenty of younger kids have one in their pocket. Practically everyone can make and receive calls anywhere, anytime. Still, 55 percent of Australians have a landline phone at home and only just over a quarter （29%） rely only on their smartphones according to a survey （调查）. Of those Australians who still have a landline, a third concede that it’s not really necessary and they’re keeping it as a security blanket — 19 percent say they never use it while a further 13 percent keep it in case of emergencies. I think my home falls into that category. More than half of Australian homes are still choosing to stick with their home phone. Age is naturally a factor（因素）— only 58 percent of Generation Ys still use landlines now and then, compared to 84 percent of Baby Boomers who’ve perhaps had the same home number for 50 years. Age isn’t the only factor; I’d say it’s also to do with the makeup of your household. Generation Xers with young families, like my wife and I, can still find it convenient to have a home phone rather than providing a mobile phone for every family member. That said, to be honest the only people who ever ring our home phone are our Baby Boomers parents, to the point where we play a game and guess who is calling before we pick up the phone（using Caller ID would take the fun out of it）. How attached are you to your landline? How long until they go the way of gas street lamps and morning milk deliveries?24. What does paragraph 2 mainly tell us about mobile phones?A. Their target users. B. Their wide popularity.C. Their major functions. D. Their complex design.25. What does the underlined word “concede” in paragraph 3 mean?A. Admit. B. Argue.C. Remember. D. Remark.26. What can we say about Baby Boomers?A. They like smartphone games. B. They enjoy guessing callers’ identity.C. They keep using landline phones. D. They are attached to their family.27. What can be inferred about the landline from the last paragraph?A. It remains a family necessity.B. It will fall out of use some day.C. It may increase daily expenses.D. It is as important as the gas light.【分析】本文是一篇说明文。文章主要介绍了澳大利亚使用固定电话的情况，并且表达了固定电话是非必需品的观点。24B【解析】主旨大意题。根据文章第二段“These days you'd be hard pressed to find anyone in Australia over the age of 15 who doesn't own a mobile phone. In fact plenty of younger kids have one in their pocket. Practically everyone can make and receive calls anywhere, anytime. (现在你很难在澳大利亚找到15岁以上的没有手机的人。事实上，很多年幼的孩子口袋里都有手机。几乎每个人都可以随时随地拨打和接听电话)”可推知，本段主要说明手机在澳大利亚广受欢迎。故选B项。25A【解析】词句猜测题。根据划线单词的上文“Of those Australians who still have a landline (在那些仍然有固定电话的澳大利亚人中)”可知，这个调查的目标人群是仍然有固定电话的澳大利亚人；根据下文“it's not really necessary and they're keeping it as a security blanket — 19 percent say they never use it while a further 13 percent keep it in case of emergencies (固定电话并不是必须的，他们将其作为一种安全保障——19%的人表示他们从未使用过固定电话，另有13%的人保留固定电话以防紧急情况)”可知，很多人认为固定电话并不是必须拥有的，有些人保留固定电话只是为了防止紧急情况。从而推知，在调查中，他们应该是承认了固定电话的非必要性。由此推知，划线单词“concede”意为“承认”。故选A项。26C【解析】推理判断题。根据文章第四段“84 percent of Baby Boomers who've perhaps had the same home number for 50 years.(婴儿潮时代中有84%的人可能已经有50年相同的家庭号码了)”以及文章第五段“That said, to be honest the only people who ever ring our home phone are our Baby Boomers parents (也就是说，老实说，唯一打过我们家电话的人是婴儿潮一代的父母)”可推知，婴儿潮时代的人一直用固定电话。故选C项。27B【解析】推理判断题。根据文章最后一段“How attached are you to your landline? How long until they go the way of gas street lamps and morning milk deliveries? (你有多喜欢你的座机？它们还要多久才能走上煤气路灯和早晨送牛奶的道路？)”可推知，本段使用类比的方式，使用煤气路灯以及早晨送牛奶已经被淘汰的例子，侧面说明了固定电话总有一天会废弃的。故选B项。 2021 年普通高等学校招生全国统一考试（新高考 I 卷）CWhen the explorers first set foot upon the continent of North America, the skies and lands were alive with an astonishing variety of wildlife. Native Americans had taken care of these precious natural resources wisely. Unfortunately, it took the explorers and the settlers who followed only a few decades to  decimate a large part of these resources. Millions of waterfowl ( 水 禽 ) were killed at the hands of market hunters and a handful of overly ambitious sportsmen. Millions of acres of wetlands were dried to feed and house the ever-increasing populations, greatly reducing waterfowl habitat.In 1934, with the passage of the Migratory Bird Hunting Stamp Act (Act), an increasingly concerned nation took firm action to stop the destruction of migratory ( 迁徙的) waterfowl and the wetlands so vital to their survival. Under this Act, all waterfowl hunters 16 years of age and over must annually purchase and carry a Federal Duck Stamp. The very first Federal Duck Stamp was designed by J.N. “Ding” Darling, a political cartoonist from Des Moines, lowa, who at that time was appointed by President Franklin Roosevelt as Director of the Bureau of Biological Survey. Hunters willingly pay the stamp price to ensure the survival of our natural resources.About 98 cents of every duck stamp dollar goes directly into the Migratory Bird Conservation Fund to purchase wetlands and wildlife habitat for inclusion into the National Wildlife Refuge System — a fact that ensures this land will be protected and available for all generations to come. Since 1934, better than half a billion dollars has gone into that Fund to purchase more than 5 million acres of habitat. Little wonder the Federal Duck Stamp Program has been called one of the most successful conservation programs ever initiated.28. What was a cause of the waterfowl population decline in North America?A. Loss of wetlands. B. Popularity of water sports.C. Pollution of rivers. D. Arrival of other wild animals.29. What does the underlined word “decimate” mean in the first paragraph?A. Acquire. B. Export.C. Destroy. D. Distribute.30. What is a direct result of the Act passed in 1934?A. The stamp price has gone down. B. The migratory birds have flown away.C. The hunters have stopped hunting. D. The government has collected money.31. Which of the following is a suitable title for the text?A. The Federal Duck Stamp Story B. The National Wildlife Refuge SystemC. The Benefits of Saving Waterfowl D. The History of Migratory Bird Hunting【分析】本文是一篇说明文。本文讲述了美国鸭票的故事，由于美国移民的大量流入，对于农地和住房的急需大量的水禽栖息地被破坏导致美国水禽骤减，因此美国发行了鸭票，狩猎者只有购买了鸭票才能狩猎，而鸭票的部分收入进入到了用于购买水禽栖息地的基金，从而保护了水禽。28A【解析】细节理解题。根据第一段“Millions of acres of wetlands were dried to feed and house the ever-increasing populations, greatly reducing waterfowl habitat.”可知，上百万公顷的湿地被抽干用作农地或者修建住房，极大地减少了水禽的栖息地，故可知，栖息地的减少导致了水禽数量的下降，故选A。29C【解析】词义猜测题。根据前一句“Native Americans had taken care of these precious natural resources wisely.”可知，北美的土著人把这些珍贵的自然资源保护的很合理，本句中的“Unfortunately”可知，本句与上一句形成了转折，前一句陈述北美土著人做的好的地方，故可知，本句阐述移民者做的不好的地方，即移民者破坏了这些自然资源，故画线词意思是“破坏”。A. Acquire获得；B. Export出口；C. Destroy破坏；D. Distribute分配。故选C。30D【解析】推理判断题。根据最后一段“Since 1934, better than half a billion dollars has gone into that Fund to purchase more than 5 million acres of habitat.”可知，自1934年起，超过5亿美元进入到了这个基金会，购买了超过500万公顷的水禽栖息地，故可以推出，通过发行鸭票，美国政府获得了大量的资金，故选D。31A【解析】主旨大意题。根据全文可知，由于之前不恰当的发展导致美国水禽骤减，因此美国发行了鸭票，狩猎者只有购买了鸭票才能狩猎，而鸭票的部分收入进入到了用于购买水禽栖息地的基金，从而保护了水禽，故可知，本文讲述美国鸭票的故事，故选A。