Unit 2 Amazing numbers 词汇专项训练 2026-2027学年沪教版英语八年级上册

**基本信息** 聚焦Unit2核心词汇，构建“基础记忆-词形转换-语境应用”三阶训练体系，强化语言能力与学习能力 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |中译英/短语中译英|20词+16短语|中英互译，夯实词汇基础|从核心名词/动词/副词到固定搭配，建立词汇网络| |词形转换|10题|词性转换，考查构词法|连接词汇形义，培养语法思维| |综合应用|单选6题+拼写5题+句子6题+填空10题+短文/完形填空|语境化考查，覆盖中考常见题型|从孤立记忆到语篇应用，提升语言理解与表达能力|

Unit2 Amazing numbers 词汇专项训练 一、中译英（根据中文写出英文单词） 英文 中文 英文 中文 flight n. 航程；航班 schedule n. 日程安排 chessboard n. 国际象棋棋盘 silver n. 银；银色 prize n. 奖赏；奖励 hesitation n. 犹豫 budget n. 预算 province n. 省份 system n. 系统；体系 symbol n. 符号；记号 pattern n. 模式；图案 per cent n. 百分之…… challenge v. 向（某人）挑战 promise v./n. 承诺；保证 reply v. 回复；答复 wonder v. 想知道；琢磨 agree v. 同意；赞成 check v. 检查；核查 count v. 计算（或清点）总数 realize v. 意识到；实现 everywhere adv. 到处；各个地方 currently adv. 目前；当前 sharply adv. 急剧地 wonder n. 奇迹 divide v. 划分；（数学）除 二、短语中译英（根据中文写出英文短语） 英文 中文 英文 中文 challenge sb. to (do) sth. 向某人挑战做某事 promise to do sth. 承诺做某事 make a promise 许下诺言 keep a promise 遵守诺言 without hesitation 毫不犹豫地 agree with sb. 同意某人 wonder + 从句 想知道…… write down 写下；记下 go up / rise 上升 go down 下降 instead of 代替 for a moment 一会儿 flight schedule 航班时刻表 price tag 价格标签 make a budget 做预算 ahead of schedule 提前 三、词形转换（写出对应形式） 1. hesitate → hesitation (n.) 犹豫 2. promise → promising (adj.) 有希望的 3. agree → disagree (v.) 不同意 4. current → currently (adv.) 目前 5. sharp → sharply (adv.) 急剧地 6. exact → exactly (adv.) 准确地 7. symbol → represent (v.) 代表 8. represent → representative (n.) 代表 9. count → countless (adj.) 无数的 10. wonder → wonderful (adj.) 精彩的 一、单项选择 1．— The blue line ________ the population growth. — I see, thank you. A．represents B．challenges C．counts D．doubles 【答案】A 【详解】句意：——这条蓝线代表人口增长。——我明白了，谢谢。 represents代表；challenges挑战；counts数数；doubles加倍。根据语境可知，此处通常指在图表中，“蓝线”（The blue line）用来“代表/表示”人口增长（the population growth）的数据趋势，应用represents。应填represents。 2．To use our money wisely, we should make a ________ first. A．bank B．poster C．budget D．block 【答案】C 【详解】句意：为了明智地使用我们的钱，我们应该首先制定一个预算。 bank银行；poster海报；budget预算；block块；街区。根据“To use our money wisely”可知，为了明智用钱，需要先制定计划，make a budget为固定搭配，意为“制定预算”。应填budget。 3．We need to ________ the students into four groups to discuss the topic about amazing numbers. A．connect B．divide C．repeat D．represent 【答案】B 【详解】句意：我们需要把学生分成四组来讨论关于神奇数字的话题. connect连接；divide分开；repeat重复；represent代表。根据“into four groups”可知，此处表示将学生划分成小组，固定搭配divide...into... 意为“把……分成……”，符合语境。 4．I bought the dress because the ________ said it was only 80 yuan. A．price tag B．flight C．province D．system 【答案】A 【详解】句意：我买了这条裙子，因为价签上显示它只要80元。 price tag价格标签；flight航班；province省份；system系统。根据句中“it was only 80 yuan”可知，此处涉及物品的价格信息。 5．The coach wanted to ________ us to run faster. A．challenge B．agree C．check D．represent 【答案】A 【详解】句意：教练想要挑战我们跑得更快。 challenge挑战；agree同意；check检查；represent代表。根据教练希望我们跑得更快，应该是挑战或激励我们。challenge sb to do sth意为“挑战某人做某事”，符合语境。 6．—The price of the house ________ sharply last year. —Yes, many people couldn’t afford it. A．doubled B．went down C．turned D．went up 【答案】D 【详解】句意：——去年房价急剧上涨。——是的，许多人买不起它。 doubled翻倍；went down下降；turned转变；went up上涨。根据答语“many people couldn’t afford it”可知房价上涨了。副词sharply（急剧地）常与go up搭配表示“急剧上涨”，描述价格急剧上升的过程，而doubled表示翻倍这一结果。应填went up。 二、单词拼写 7．Our team won every ________ (奖) in swimming in the sports meeting. 【答案】prize 【详解】句意：我们队在运动会游泳项目中拿下了每一项奖项。 prize“奖；奖品；奖项”，可数名词；every后接可数名词单数。 8．The temperature will ________ (上升) to 25 degrees tomorrow. 【答案】rise 【详解】句意：明天气温将上升到25度。will为情态动词，后接动词原形；rise表示（温度、水位等自然上升），rise to表示“上升到”，符合语境。 9．The boy speaks ________ (exact) what he thinks about the story. 【答案】exactly 【详解】句意：这个男孩准确地说出了他对于这个故事的想法。此处修饰动词speaks，需要使用副词；exact是形容词，副词形式为exactly。 10．The man replied to the king without ________ (hesitate). 【答案】hesitation 【详解】句意：那个人毫不犹豫地回答了国王。该处需用名词在句中作介词without的宾语；固定短语without hesitation表示“毫不犹豫地”；hesitate为动词，其名词形式为hesitation。 11．The king ________ (promise) to give the wise man a prize. 【答案】promised 【详解】句意：国王承诺要给这位智者一份奖赏。语境提示，句子描述的是过去发生的一次性动作，国王向智者许下承诺是已经发生的过往事件，因此句子的时态为一般过去时，谓语动词promise“承诺”，应用过去式promised。 三、完成句子 12．请把答案写下来。 Please _____________ the answer. 【答案】write down 【详解】原句“写下来”是关键词，表示“写下”的短语为write down，此处句子是祈使句，Please后用动词原形。 13．目前，该市有800万人口。 The city ________ has a population of 8 million. 【答案】currently 【详解】原句中“目前”是关键词，对应的单词是currently，它是副词，在句中作状语，修饰谓语动词。 14．Tom毫不犹豫地拒绝了朋友们的邀请。 Tom refused the invitation of his friends _________ _________. 【答案】 without hesitation 【详解】原句中“毫不犹豫地”是关键词，固定搭配without hesitation表示“毫不犹豫地”，构成方式状语修饰动词refused。故填without；hesitation。 15．有了它，我们对上课的兴趣开始提升。 With it, our interest in lessons starts to ________ ________. 【答案】 go up 【详解】关键字是“提升”，start to do sth“开始做某事”，go up可表示“（程度、数量）上升、增长”。 16．他停了一会儿，然后回答。 He stopped _____________ and then replied. 【答案】for a moment 【详解】原句中的“一会儿”是关键词，表示“一会儿”的短语是for a moment。 17．在我们学校，你随处可见绿树和鲜花。 You can see green trees and flowers ________ in our school. 【答案】everywhere 【详解】原句中“随处可见”是关键词，表示“到处”的副词是everywhere，在句中作地点状语。 四、选词填空 从方框中选择合适的词或短语，并用其正确形式填空，每词限用一次。 challenge, promise, wonder, prize, hesitation, double, outwit, collect, agree, realize 18．The king the wise old man to a game of chess. 19．The king the old man any prize if he won the game. 20．The old man if the king would really keep his word. 21．The young man won a gold in the running race. 22．Without , the old man accepted the king’s challenge. 23．The king had to the amount of rice for each square of the chessboard. 24．The old man wanted to the king with his clever plan. 25．The king’s men started to rice for the old man. 26．Finally, the king that he didn’t have enough rice. 27．The king to give the old man whatever he wanted. 【答案】 18．challenged 19．promised 20．wondered 21．prize 22．hesitation 23．double 24．outwit 25．collect 26．realized 27．agreed 【详解】18．句意：国王向那位聪明的老人发起了一场国际象棋比赛的挑战。空格处需填谓语动词，结合“the wise old man to a game of chess”及所给词汇可知，challenge表示“向……挑战”，符合句意。文章讲述过去发生的事情，应用一般过去时，challenge变为challenged。 19．句意：国王答应如果老人赢得比赛，就给他奖励。空格处需填谓语动词，结合“the old man any prize if he won the game”及所给词汇可知，promise表示“答应，承诺”，符合句意。句子描述过去发生的事情，应用一般过去时，promise变为promised。 20．句意：老人想知道国王是否真的会信守诺言。空格处需填谓语动词，结合“if the king would really keep his word”及所给词汇可知，wonder表示“想知道”，符合句意。句子描述过去发生的事情，应用一般过去时，wonder变为wondered。 21．句意：那个年轻人在赛跑比赛中获得了一枚金牌。空格处需填名词，结合“won a gold”及所给词汇可知，prize表示“奖品，奖项”，符合句意。前面有不定冠词a，应用名词单数形式。 22．句意：老人毫不犹豫地接受了国王的挑战。空格处需填名词，结合“Without”及所给词汇可知，without hesitation表示“毫不犹豫地”，为固定搭配，hesitation符合句意。 23．句意：国王不得不把棋盘上每个格子里的大米数量翻倍。空格处需填动词原形，结合“the amount of rice”及所给词汇可知，double表示“使加倍”，符合句意。had to后接动词原形。 24．句意：老人想用他聪明的计划智胜国王。空格处需填动词原形，结合“the king with his clever plan”及所给词汇可知，outwit表示“智胜”，符合句意。want to do sth表示“想要做某事”，应用动词原形。 25．句意：国王的仆人们开始为老人收集大米。空格处需填动词原形，结合“rice for the old man”及所给词汇可知，collect表示“收集”，符合句意。start to do sth表示“开始做某事”，应用动词原形。 26．句意：最后，国王意识到他没有足够的大米。空格处需填谓语动词，结合“that he didn’t have enough rice”及所给词汇可知，realize表示“意识到”，符合句意。句子描述过去发生的事情，应用一般过去时，realize变为realized。 27．句意：国王同意给老人任何他想要的东西。空格处需填谓语动词，结合“to give the old man whatever he wanted”及所给词汇可知，agree表示“同意”，符合句意。agree to do sth表示“同意做某事”。文章讲述过去发生的事情，应用一般过去时，agree变为agreed。 五、短文填空 Lots of people wonder if numbers can bring good luck. Maria’s story might tell us something about it. She joined a competition. In this competition, people won based on a special number system. The biggest p 28 was a flight to their dream city. Maria picked the number 12. It is her birthday number. One day, she got an email. The email said she won! She could not believe it. She c 29 the email twice to be sure. She told her sister, “I never thought a number could change my plans.” Her sister a 30 . It was a nice surprise. C 31 , Maria is planning her trip. She has thought of the places to visit. She still does not know if numbers have magic. But this thing made her see: numbers are more than just s 32 . They can bring happy surprises. 【答案】28．prize/rize 29．checked/hecked 30．agreed/greed 31．Currently/urrently 32．symbols/ymbols 【导语】本文是一篇记叙文，主要讲述了Maria选用自己生日数字12参加特殊数字赛并赢得前往梦想城市的机票大奖的经历，借此探讨数字能否带来好运的话题，点明数字不止是符号，还能带来惊喜的感悟。 【详解】28．句意：最大的奖品是一趟去往他们梦想城市的航班。空前形容词最高级the biggest修饰空格名词；前文提到competition，比赛对应的获胜奖励为“奖品”，首字母p匹配单词prize；空后be动词was为单数，因此名词用单数形式prize。 29．句意：她把邮件检查了两遍来确认消息真假。整篇故事使用一般过去时叙事，本句缺少谓语动词；前文得知自己中奖，内心不敢置信，对应动作“查看、核对”，首字母c对应check；时态为一般过去时，动词需变过去式checked。 30．句意：她的姐姐同意了（她的感慨），这真是一场美好的惊喜。全文为过去时态，空格作谓语动词；前文是Maria抒发内心感慨，后文说这是惊喜，说明姐姐赞同她的说法，首字母a对应agree；一般过去时，动词变形为agreed。 31．句意：目前，Maria正在规划她的旅程。空格位于句首，首字母大写，需要填时间副词；后半句谓语is planning是现在进行时，代表当下正在发生的动作，首字母C对应副词Currently，含义为“目前、现如今”，用来引出当下的状态。 32．句意：但这件事让她明白：数字不仅仅只是符号。副词just后接名词；全文核心讨论数字的意义，数字本身是标记事物的“符号”，首字母s对应symbol；主语numbers为复数，此处用复数名词表一类事物，因此变复数symbols。 六、完形填空 阅读短文，从 A、B、C、D 四个选项中选择最佳答案。 A long time ago, there was a king in India. He loved to play chess more than anything else. One day, a wise old man came to the palace. The king 33 him to a game of chess. “If you win, you can have any 34 you want,” the king promised. The old man thought for a moment and said, “I would like one grain of rice for the first square of the chessboard, two for the second, four for the third, and 35 the amount for each of the rest of the squares.” The king was very 36 . “Is that all? Why not ask for gold or silver?” he asked. The old man replied without 37 , “No, just rice.” The king agreed. They played the game for a long time. 38 , the old man won. The king ordered his men to 39 a bag of rice. They put one grain on the first square, two on the second, and so on. After a few squares, the king 40 that even all the rice in the country would not be enough. The old man had 41 him with his clever plan. The king learned a lesson: never 42 the power of numbers. 33．A．challenged B．beat C．won D．promised 34．A．game B．prize C．chessboard D．rice 35．A．double B．take C．give D．collect 36．A．sad B．angry C．surprised D．worried 37．A．hesitation B．thinking C．doubt D．reply 38．A．First B．Next C．Finally D．Then 39．A．sell B．collect C．buy D．cook 40．A．realized B．forgot C．hoped D．decided 41．A．helped B．outwitted C．followed D．thanked 42．A．learn B．understand C．forget D．underestimate 【答案】 33．A 34．B 35．A 36．C 37．A 38．C 39．B 40．A 41．B 42．D 【导语】本文讲述了印度一位喜爱下棋的国王与一位智慧老人下棋，老人要求以棋盘上按倍数递增的米粒作为奖励，最终让国王意识到数字的力量的故事，传递了不要低估数字的力量的道理。 【详解】33．句意：国王向他挑战一场国际象棋比赛。 根据“to a game of chess”，可知challenge sb. to a game为固定搭配，表示“向某人挑战一场比赛”。应用challenged。beat“打败”、won“赢得”、promised“承诺”均不符语境。 34．句意：如果你赢了，你可以得到任何你想要的奖品。 根据“If you win”，获胜后通常给予奖励。prize符合语境。game“游戏”、chessboard“棋盘”、rice“大米”均不符语境。 35．句意：第一格放1粒米，第二格2粒，第三格4粒，剩下的每一格都把数量翻倍。 根据“one grain..., two..., four...”，数量规律是1,2,4，即每次加倍。double符合数学逻辑。take“拿”、give“给”、collect“收集”均不符语境。 36．句意：国王非常惊讶。 根据“Is that all? Why not ask for gold or silver?”，国王没想到要求这么低，感到意外。surprised“惊讶的”符合语境。sad“难过的”、angry“生气的”、worried“担心的”均不符语境。 37．句意：老人毫不犹豫地回答：“不，只要大米。” 根据“without...”，可知without hesitation为固定搭配，表示“毫不犹豫地”，符合语境。thinking“思考”、doubt“怀疑”、reply“回复”均不符语境。 38．句意：他们下了很长时间的棋，最后老人赢了。 根据“played the game for a long time”，经过长时间比赛，最终有了结果。Finally表示“最终”，符合语境。First“首先”、Next“接下来”、Then“然后”均不符语境。 39．句意：国王命令他的手下收集一袋大米。 根据语境，国王需要把米拿来放在棋盘上。collect表示“收集、拿来”，符合语境。sell“卖”、buy“买”、cook“烹饪”均不符语境。 40．句意：几格之后，国王意识到即使全国所有的大米都不够。 根据“even all the rice...would not be enough”，这是国王计算后明白的事实。realized“意识到”符合语境。forgot“忘记”、hoped“希望”、decided“决定”均不符语境。 41．句意：老人用他聪明的计划打败了他。 根据“clever plan”，老人用智慧让国王认识到错误，outwitted表示“以智取胜”，符合语境。helped“帮助”、followed“跟随”、thanked“感谢”均不符语境。 42．句意：国王学到了一个教训：永远不要低估数字的力量。 根据故事寓意，国王起初以为米很少，结果很多。underestimate表示“低估”，符合语境。learn“学习”、understand“理解”、forget“忘记”均不符语境。 学科网（北京）股份有限公司 $Unit2 Amazing numbers 词汇专项训练 一、中译英(根据中文写出英文单词) 英文 中文 英文 中文 n. 航程;航班 n. 日程安排 n. 国际象棋棋盘 n. 银;银色 n. 奖赏;奖励 n. 犹豫 n. 预算 n. 省份 n. 系统;体系 n. 符号;记号 n. 模式;图案 n. 百分之…… v. 向(某人)挑战 v./n. 承诺;保证 v. 回复;答复 v. 想知道;琢磨 v. 同意;赞成 v. 检查;核查 v. 计算(或清点)总数 v. 意识到;实现 adv. 到处;各个地方 adv. 目前;当前 adv. 急剧地 n. 奇迹 v. 划分;(数学)除 二、短语中译英(根据中文写出英文短语) 英文 中文 英文 中文 向某人挑战做某事 承诺做某事 许下诺言 遵守诺言 毫不犹豫地 同意某人 想知道…… 写下;记下 上升 下降 代替 一会儿 航班时刻表 价格标签 做预算 提前 三、词形转换(写出对应形式) 1. hesitate (n.) 犹豫 2. promise (adj.) 有希望的 3. agree (v.) 不同意(反义词) 4. current (adv.) 目前 5. sharp (adv.) 急剧地 6. exact (adv.) 准确地 7. symbol (v.) 代表 8. represent (n.) 代表(名词) 9. count (adj.) 无数的 10. wonder (adj.) 精彩的 一、单项选择 1.— The blue line the population growth. — I see, thank you. A.represents B.challenges C.counts D.doubles 2.To use our money wisely, we should make a first. A.bank B.poster C.budget D.block 3.We need to the students into four groups to discuss the topic about amazing numbers. A.connect B.divide C.repeat D.represent 4.I bought the dress because the said it was only 80 yuan. A.price tag B.flight C.province D.system 5.The coach wanted to us to run faster. A.challenge B.agree C.check D.represent 6.—The price of the house sharply last year. —Yes, many people couldn’t afford it. A.doubled B.went down C.turned D.went up 二、单词拼写 7.Our team won every (奖) in swimming in the sports meeting. 8.The temperature will (上升) to 25 degrees tomorrow. 9.The boy speaks (exact) what he thinks about the story. 10.The man replied to the king without (hesitate). 11.The king (promise) to give the wise man a prize. 三、完成句子 12.请把答案写下来。 Please the answer. 13.目前,该市有800万人口。 The city has a population of 8 million. 14.Tom毫不犹豫地拒绝了朋友们的邀请。 Tom refused the invitation of his friends . 15.有了它,我们对上课的兴趣开始提升。 With it, our interest in lessons starts to . 16.他停了一会儿,然后回答。 He stopped and then replied. 17.在我们学校,你随处可见绿树和鲜花。 You can see green trees and flowers in our school. 四、选词填空 从方框中选择合适的词或短语,并用其正确形式填空,每词限用一次。 challenge, promise, wonder, prize, hesitation, double, outwit, collect, agree, realize 18.The king the wise old man to a game of chess. 19.The king the old man any prize if he won the game. 20.The old man if the king would really keep his word. 21.The young man won a gold in the running race. 22.Without , the old man accepted the king’s challenge. 23.The king had to the amount of rice for each square of the chessboard. 24.The old man wanted to the king with his clever plan. 25.The king’s men started to rice for the old man. 26.Finally, the king that he didn’t have enough rice. 27.The king to give the old man whatever he wanted. 五、短文填空 Lots of people wonder if numbers can bring good luck. Maria’s story might tell us something about it. She joined a competition. In this competition, people won based on a special number system. The biggest p 28 was a flight to their dream city. Maria picked the number 12. It is her birthday number. One day, she got an email. The email said she won! She could not believe it. She c 29 the email twice to be sure. She told her sister, “I never thought a number could change my plans.” Her sister a 30 . It was a nice surprise. C 31 , Maria is planning her trip. She has thought of the places to visit. She still does not know if numbers have magic. But this thing made her see: numbers are more than just s 32 . They can bring happy surprises. 六、完形填空 阅读短文,从 A、B、C、D 四个选项中选择最佳答案。 A long time ago, there was a king in India. He loved to play chess more than anything else. One day, a wise old man came to the palace. The king 33 him to a game of chess. “If you win, you can have any 34 you want,” the king promised. The old man thought for a moment and said, “I would like one grain of rice for the first square of the chessboard, two for the second, four for the third, and 35 the amount for each of the rest of the squares.” The king was very 36 . “Is that all? Why not ask for gold or silver?” he asked. The old man replied without 37 , “No, just rice.” The king agreed. They played the game for a long time. 38 , the old man won. The king ordered his men to 39 a bag of rice. They put one grain on the first square, two on the second, and so on. After a few squares, the king 40 that even all the rice in the country would not be enough. The old man had 41 him with his clever plan. The king learned a lesson: never 42 the power of numbers. 33.A.challenged B.beat C.won D.promised 34.A.game B.prize C.chessboard D.rice 35.A.double B.take C.give D.collect 36.A.sad B.angry C.surprised D.worried 37.A.hesitation B.thinking C.doubt D.reply 38.A.First B.Next C.Finally D.Then 39.A.sell B.collect C.buy D.cook 40.A.realized B.forgot C.hoped D.decided 41.A.helped B.outwitted C.followed D.thanked 42.A.learn B.understand C.forget D.underestimate 学科网(北京)股份有限公司 $