Unit 3 Keep Fit 单元基础知识全方位精练(Section B)-2025-2026学年七年级英语下册单元全方位精练（人教版）

Unit3 Keep Fit 单元基础知识全方位精练 (Section B) 【重点单词练习】 1、 根据中文或首字母提示填写单词 1．Teachers always ________ (鼓励) us to ask questions in class. 【答案】encourage 【详解】句意：在课上，老师总是鼓励我们问问题。根据汉语提示可知，encourage“鼓励”，是动词，作谓语，由“always”可知，句子的时态为一般现在时，而主语teachers为复数，所以此处应用其原形，故填encourage。 2．Our school football ________ (队) won the game yesterday. 【答案】team 【详解】句意：我们学校的足球队昨天赢了比赛。“队”对应的英文单词是“team”，“football team”是固定表达（表示“足球队”），此处用单数形式即可，故填team。 3．Our team doesn’t want to ________ (输掉) the game because three key players were absent. 【答案】lose 【详解】句意：我们队不想输掉这场比赛，因为三名关键球员缺席了。根据首字母提示和“the game”可知，此处表示“输掉比赛”，动词lose“输掉”符合语境；“want to”后接动词原形。故填lose。 4．After practicing for months, he finally ________ (成功) in playing that difficult piano piece without any mistakes. 【答案】succeeded 【详解】句意：经过几个月的练习，他终于成功地演奏了那首困难的钢琴曲，没有任何错误。根据汉语提示可知，succeed“成功”，动词，符合语境；结合“After practicing for months”以及“finally”可知，句子时态为一般过去时，因此用succeed的过去式succeeded。故填succeeded。 5．With the teacher’s help, she has made great ________ (进步) in maths. 【答案】progress 【详解】句意：在老师的帮助下，她在数学方面取得了很大进步。句中“make great progress”为固定搭配，译为“取得很大进步”，progress为不可数名词，无复数形式。 6．He spends half an hour ________ ________ (锻炼) every day. 【答案】 working out 【详解】句意：他每天花半小时锻炼。“锻炼”英文表达为“work out”。spend...doing... 表示“花费时间做某事”，故用动词ing形式。故填working out。 7．It’s important for you to keep your ________ (目标) in mind when you feel tired. 【答案】goal 【详解】句意：当你感到疲倦时，记住你的目标是很重要的。根据所给汉语和首字母提示以及“keep your…in mind”可知，其对应的英文单词是goal，意为“目标”。故填goal。 8．Luca thinks it’s fun to make mobile phone ________ (应用程序). 【答案】apps 【详解】句意：Luca认为制作手机应用程序很有趣。应用程序“app”，是常见的表达之一，此处应用其复数形式apps表示泛指。故填apps。 9．Our team is strong. I think we can _________ (赢) the game. 【答案】win 【详解】句意：我们的团队很强大。我想我们能赢这场比赛。空格有情态动词can，填动词原形；win意为“赢”，动词。故填win。 10．As ________ (青少年), we should learn to look after ourselves. 【答案】teenagers 【详解】句意：作为青少年，我们应该学会照顾自己。根据汉语提示可知，“青少年”译为teenager。结合“we”，此处用可数名词复数形式。故填teenagers。 11．We should do more exercise to keep ________ (健康的). 【答案】healthy 【详解】句意：我们应该多做运动来保持健康。根据汉语提示可知，healthy“健康的”，keep healthy“保持健康”为固定搭配。故填healthy。 12．They will have a ________ (比赛；竞赛) with Class 2 tomorrow. 【答案】match 【详解】句意：他们明天将和二班进行一场比赛。根据汉语提示可知，“比赛；竞赛”译为match。结合“a”，此处用可数名词单数形式。故填match。 13．Your ________ (身体) language can tell others a lot about your mood. 【答案】body 【详解】句意：你的肢体语言能够告诉别人很多关于你情绪的事情。根据句意和首字母以及括号内所给提示词可知，body“身体”，名词；body language是固定搭配，意为“肢体语言”。故填body。 14．You can ________ (尝试) and see if you like this hobby. 【答案】try 【详解】句意：你可以尝试一下，看看你是否喜欢这个爱好。根据汉语提示可知，try“尝试”，情态动词can后接动词原形。故填try。 2、 重点词汇变形(根据构词法猜测单词词性和词义，并选词填空) 1. succeed / success / successful / successfully (1) What’s your secret(秘诀) of your __________? (2) Studying all the time is not the best way to __________. (3) Parents want their children to be __________. (4) They __________finished the work on time. 【答案】 (1)success(名词，意为 “成功”，空格前有your形容词性物主代词，故填名词) (2)succeed(动词，意为“成功”，the...way to do 表示“做某事的...方式”，故填动词) (3)successful(形容词，-ful形容词后缀，表示“满是...的”，successful意为“成功的”，跟在be后作表语) (4)successfully(副词，意为“成功地”，在句中修饰动词finished) 2. lose / loss / lost (1) Her death(去世) is a big__________for the field of animal science. (2) Alice found her__________pencil in the kitchen. (3) He didn’t want to__________such a good chance(机会). (4) They__________the match last Sunday. 【答案】 (1)loss(名词，意为 “损失”，空格前有形容词 big，故填名词。) (2)lost(形容词，意为 “丢失的”，修饰名词 pencil，作定语，故填形容词) (3)lose(动词，意为 “失去”，want to do sth. 想要做某事，to 后接动词原形，故填动词。) (4)lost(动词 lose 的过去式，意为 “输掉”，句中有过去时间 last Sunday，用一般过去时，故填过去式。) 3、 用所给词的适当形式填空或填写合适的词以使句意完整 1. The key to his _________ (succeed) is years of hard work and his creativity in art. 【答案】success 【详解】句意：他成功的关键是多年的努力和他在艺术上的创造力。succeed“成功”，动词；the key to...“……的关键”，to为介词，后接名词或动名词，此处需用名词形式success“成功”。故填success。 2. There will be two badminton ________ (match) this week. 【答案】matches 【详解】句意：本周将有两场羽毛球比赛。match“比赛”，可数名词，“two”后接可数名词复数形式，match的复数为matches。故填matches。 3. He ________ (lose) his keys in the park, so we had to help him find them. 【答案】lost 【详解】句意：他把钥匙丢在公园里了，所以我们得帮他找。lose“丢失”，是动词，由后句“had to”可知动作发生在过去，用一般过去时，lose的过去式是lost。故填lost。 4. There are five ________（teenager）boys in the band. 【答案】teenage 【详解】句意：乐队里有五个十几岁的男孩。此空修饰名词boys，要用形容词作定语，teenager是名词，对应的形容词是teenage“青少年的”，故填teenage。 5. Eating more vegetables is good ________ your health. 【答案】for 【详解】句意：多吃蔬菜对你的健康有好处。根据“Eating more vegetables is good … your health.”以及语境可知，此处使用固定搭配be good for，意为“对……有好处”。故填for。 6. I usually go to the guitar class ________ (two) a week. 【答案】twice 【详解】句意：我通常一周去上两次吉他课。根据“...a week”此处表示“两次”，需用频率副词twice，构成固定搭配twice a week（一周两次），故填twice。 7. My father encouraged me ________ (visit) the Yellow Mountain during the summer holiday. 【答案】to visit 【详解】句意：我爸爸鼓励我暑假期间去游览黄山。固定搭配encourage sb to do sth表示“鼓励某人做某事”，应填不定式作宾语补足语。故填to visit。 8. It’s fun to practise ________ (skateboard) with my friends on weekdays. 【答案】skateboarding 【详解】句意：在工作日和我的朋友们一起练习滑板很有趣。practise doing sth.“练习做某事”，固定搭配，所以这里应用动名词形式skateboarding。故填skateboarding。 9. Their goal is ________ (win) the basketball game next month. 【答案】to win 【详解】句意：他们的目标是下个月赢得篮球比赛。win“赢得”；根据goal和“next month”可知，设空处需填写动词不定式形式强调“将来要去完成的动作”。故填to win。 10. We have different ways of ________ (learn) English. 【答案】learning 【详解】句意：我们有不同的英语学习方法。learn“学习”，是动词；of介词，介词后面要接动词ing形式。故填learning。 11. The red house is Mrs. Smith’s. The one next to it is ________ (our). 【答案】ours 【详解】句意：那座红色的房子是史密斯夫人的。它旁边的那座是我们的 (房子)。根据“The one next to it”可知，此处是指史密斯夫人房子旁边的房子是“我”们的，空后没有名词，此处应用our的名词性物主代词ours，相当于our house。故填ours。 12. I jog three ________ (time) a week or more. 【答案】times 【详解】句意：我每周慢跑三次或更多次。根据“three...(time) a week”可知，此处指一周三次，表达为three times a week。故填times。 13. It’s necessary for children to learn to share things and work with others ________ a team. 【答案】as 【详解】句意：孩子们学会分享物品并与他人合作完成团队工作是很有必要的。根据“work with others ... a team”可知，此处表达“作为一个团队”，as介词“作为”，符合题意。故填as。 14. Eating vegetables and doing sports can keep us ________ (health). 【答案】healthy 【详解】句意：吃蔬菜和做运动能让我们保持健康。health“健康”是名词。“keep sb.+adj.”是固定结构，意为“使某人保持某种状态”，此处应该用形容词形式。health的形容词形式是healthy“健康的”。故填healthy。 4、 单项填空 1. My friend Jenny often helps me ________ the math problems. A．blow out B．put up C．work out D．wake up 【答案】C 【详解】句意：我的朋友珍妮经常帮我算出数学题。 blow out吹灭；put up张贴、搭建；work out算出、解决；wake up醒来。根据“My friend Jenny often helps me..the math problems.”可知，此处表示算出数学题，应填work out。 2. —________ do you go to the school library? —Twice a week. I am a book lover. A．How far B．How long C．How soon D．How often 【答案】D 【详解】句意：——你多久去一次学校图书馆？——一周两次。我是一个爱书之人。 考查特殊疑问句。How far多远，询问距离；How long多久，多长，用于询问时间长度或物体长度；How soon多久以后；How often多久一次，询问频率。根据答语“Twice a week.”可知，此处询问的是动作发生的频率，应用How often提问。故选D。 3. She works very hard, so she always ________ in ________ the exam. A．successful; pass B．success; passing C．succeeds; passing D．successful; passing 【答案】C 【详解】句意：她学习非常努力，所以她总是成功通过考试。 考查动词用法和动名词。successful成功的（形容词）；success成功（名词）；succeeds成功（动词第三人称单数）；pass通过（动词原形）；passing通过（动名词）。分析句子结构，前半句“She works very hard”中主语是“she”，后半句缺少谓语动词，因此第一空需填入动词形式，且主语为第三人称单数，应使用“succeeds”；第二空前的“in”为介词，后接动名词“passing”作宾语。故选C。 4. My sister works hard and she makes ________ great progress in her study. A．a B．the C．/ D．an 【答案】C 【详解】句意：我姐姐学习很努力，她在学业上取得了很大进步。 考查冠词用法。a一个；the这个；/ 不填；an一个。“progress（进步）”是不可数名词，前面不能加不定冠词，且此处不表特指，故用零冠词，故选 C。 5. —Jeff, I’m sorry for ________ your book. —Never mind. A．losing B．treating C．guessing D．leaving 【答案】A 【详解】句意：——杰夫，很抱歉弄丢了你的书。——没关系。 考查动词辨析。losing丢失；treating对待；guessing猜测；leaving离开。根据答语“Never mind.”可知，前文应表示因做错事而道歉，结合语境，弄丢书是常见的需要道歉的情况。故选A。 6. —I spend most of my free time studying, but I still fall behind. —Don’t ________ heart. You should know Rome wasn’t built in a day. A．win B．lose C．feed D．change 【答案】B 【详解】句意：——我把大部分空闲时间都花在学习上，但还是落后了。——别灰心。要知道罗马不是一天建成的。 考查动词辨析。win赢得；lose失去；feed喂养；change改变。根据答语“You should know Rome wasn’t built in a day.”可知，此处是鼓励对方不要灰心丧气。lose heart“灰心，泄气”，动词短语，固定搭配。故选B。 7. Every day, Mike does _____ to keep healthy and he does the math ________ on school nights. A．exercise; exercise B．exercises; exercise C．exercises; exercises D．exercise; exercises 【答案】D 【详解】句意：每天，迈克都做锻炼来保持健康，而且他在上学日的晚上做数学练习。 考查名词辨析。第一空“做锻炼”用固定短语do exercise，exercise作“锻炼”时为不可数名词；第二空“做数学练习”中exercise作“练习（题）”时为可数名词，此处用复数exercises指数学练习题。故选D。 8. —My father is very strict with me. What about your father? — ________. He never lets off (放过) a single mistake of mine. A．So he is B．So is he C．He is so D．So does he 【答案】B 【详解】句意：——我父亲对我很严格。你父亲呢？——他也是。他从不放过我的一个错误。 考查倒装句。根据题干可知，空处应表示“我的父亲也很严格”，此处应用“so+助动词/be动词/情态动词+主语”结构说明上文所描述的情况也同样适用于下文的人；结合“is very strict”可知，此处应用be动词is；主语是he。故选B。 9. —Mum, can I go out to play with my friend now? —________ you finish your homework, you can have fun with him. A．Until B．Before C．Once D．While 【答案】C 【详解】句意：——妈妈，我现在可以出去和朋友玩吗？——一旦你完成作业，你就可以和他玩。 考查连词辨析，until直到；before在……之前；once一旦；while当……时候。根据“... you finish your homework, you can have fun with him.”可知，完成作业后就可以玩，强调条件关系，故选C。 10. His _________ is to do better in his business and provide a good life for his family. A．grade B．goal C．spirit D．advice 【答案】B 【详解】句意：他的目标是在事业上做得更好，并为家人提供良好的生活。 考查名词辨析。grade成绩/年级；goal目标；spirit精神；advice建议。根据“do better in his business and provide a good life for his family”可知，这是一个人生目标。故选B。 5、 选词填空 从方框中选择单词，并用其适当形式完成句子，每词限用一次 goal  work  times  special  because  free succeed  progress  her  way  There are lots of exciting ways for us to keep healthy. I have two friends, Jenny and Lily, and they have different 1 to stay fit. Jenny likes dancing and she is in our school’s dance club. She goes to the club three 2 a week. Her dance shoes are really beautiful. They learn new dance moves every week. It is hard to learn some moves, but once she 3 , she feels great. Dancing makes her fit and happy. Lily’s 4 is to be really fit this year, so she rides a bike, goes skateboarding and plays baseball in her 5 time. And she likes skateboarding best. Look! This skateboard is 6 . It looks well-used, 7 Lily uses it to practise skateboarding at a 8 park every day. As for me, I like doing aerobics (有氧运动) to keep fit. I often follow an exercise app 9 out. It’s hard for me at the start (起初) but I am very good at it now. The app can also show my 10 . My parents use this app too. We have a lot of fun together when they join me in practising. 【答案】 1．ways 2．times 3．succeeds 4．goal 5．free 6．hers 7．because 8．special 9．to work 10．progress 【导语】本文是记叙文，主要介绍了“我”和两位朋友珍妮、莉莉各自不同的保持健康的方式。 1．句意：我有两个朋友，珍妮和莉莉，她们有不同的保持健康的方法。根据“There are lots of exciting ways for us to keep healthy.”可知，前文提到有很多保持健康的方式，此处应表示珍妮和莉莉有不同的保持健康的方法。备选词way“方法”，符合语境。且“different”后接名词复数，way的复数为ways。故填ways。 2．句意：她一周去三次这个俱乐部。根据“She goes to the club three ... a week.”可知，此处表达应是去俱乐部的次数。备选词time“次数”，符合语境。且“three”后接名词复数，time的复数为times。故填times。 3．句意：有些舞步很难学，但一旦她学会了，就会感觉很棒。根据“It is hard to learn some moves, but once she ..., she feels great.”可知，此处表示一旦成功学会了，就感觉很好。备选词succeed“成功学会”，符合语境。因为主语是“she”是第三人称单数，且全文是一般现在时，谓语动词也应用三单形式，succeed的三单形式是succeeds。故填succeeds。 4．句意：莉莉今年的目标是变得非常健康，所以她在空闲时间骑自行车、玩滑板、打棒球。根据“Lily’s ... is to be really fit this year”可知，今年变得很健康是她的一个目标。备选词goal“目标”，符合语境。故填goal。 5．句意：莉莉今年的目标是变得非常健康，所以她在空闲时间骑自行车、玩滑板、打棒球。根据“she rides a bike, goes skateboarding and plays baseball in her ... time”可知，此处表示在空余时间骑自行车、玩滑板、打棒球。备选词free“空闲的”，符合语境。故填free。 6．句意：这个滑板是她的。根据“she likes skateboarding best”可知，此处表示是她的滑板。备选词her“她的”，符合语境。空格处在这里做表语，应用名词性物主代词，her的名词性物主代词是hers。故填hers。 7．句意：它看起来用旧了，因为莉莉每天在专门的公园用它来练习滑板。根据“It looks well-used, ... Lily uses it to practise skateboarding at a ... park every day.”可知，前后句是因果逻辑关系。备选词because“因为”，符合语境。故填because。 8．句意：它看起来用旧了，因为莉莉每天在专门的公园用它来练习滑板。根据“Lily uses it to practise skateboarding at a ... park every day”可知，修饰名词park应用形容词形式。备选词special “专门的” ，符合语境。故填special。 9．句意：我经常跟着一个健身app锻炼。根据“I often follow an exercise app ... out.”可知，此处表示跟着健身app的目的是为了锻炼身体。“work out”是固定短语，意为“锻炼”。备选词work“劳动”，符合语境。且动词不定式表目的。故填to work。 10．句意：这个app还能展示我的进步。根据“The app can also show my ....”可知，此处指app记录锻炼进步。备选词progress“进步”，符合语境。故填progress。 【重点短语练习】 1、 短语英汉互译 1. 对...有好处 be good for 2. 使用运动软件 use an exercise app 3. 打棒球 play baseball 4. 一周两次 twice a week 5. 鼓励...做某事 encourage ... to do... 6. 互相 one another 7. 使我保持健康 keep me fit/healthy 8. do sit-ups 做仰卧起坐 9. 锻炼 *work out 10. 每天 every day 11. 有乐趣 have fun 12. 一周三次 three times a week 13. 建立团队精神 build team spirit 14. 两者都 both...and... 15. on and off the field 在赛场内外 16. work as a team 团队合作 17. 去游泳 go swimming 18. 一周两或三次 two or three times a week 2、 选择短语填空(注意使用适当形式) 用方框中所给短语的适当形式填空。 be good for have fun    work as a team make progress work out   one another team spirit   twice a week 1． is very important in many activities. 2．I always play badminton with my good friends after school. We every day. 3．He is busy on weekdays, so he only exercises , every Saturday and Sunday. 4．John, work hard, and you will . 5．Tommy is not happy, because he can’t this problem. 6．Everyone in our class would like to help . 7．Brushing our teeth twice a day our health. 8．The match helps the students know the importance of . 【答案】1．Team spirit 2．have fun 3．twice a week 4．make progress 5．work out 6．one another 7．is good for 8．working as a team 【解析】 1．句意：团队精神在很多活动中都非常重要。根据“is very important in many activities”及备选词可知，此处指团队精神很重要，team spirit“团队精神”符合语境，是不可数名词短语，句首单词首字母需大写。故填Team spirit。 2．句意：放学后我总是和好朋友一起打羽毛球。我们每天都玩得很开心。根据“play badminton with my good friends”及备选词可知，此处指我们玩得很开心，have fun“玩得开心”符合语境，描述经常性动作，句子时态为一般现在时，主语“We”是复数，用动词原形。故填have fun。 3．句意：他平日很忙，所以他每周只锻炼两次，每周六和周日。根据“every Saturday and Sunday.”以及备选词可知，应填twice a week“一周两次”，作状语，表示他每周只锻炼两次。故填twice a week。 4．句意：约翰，努力工作，你会取得进步的。根据“John, work hard, and you will... .”以及备选词可知，应用make progress“取得进步”，表示努力工作，你会取得进步的。助动词will后接动词原形。故填make progress。 5．句意：汤米不高兴，因为他解不出这个问题。根据“Tommy is not happy”以及备选词可知，应用work out“解答出”，表示他解不出这个问题。情态动词can’t后接动词原形。故填work out。 6．句意：我们班每个人都想互相帮助。根据“Everyone in our class would like to help…”的语境并结合备选词汇可知，此处指互相帮助，one another“互相”。故填one another。 7．句意：每天刷牙两次对我们的健康有好处。根据“Brushing our teeth twice a day…our health.”的语境并结合备选词汇可知，此处指每天刷牙两次有益健康，be good for“有益于”，此处表示事实，句子时态为一般现在时，主语为动名词，be动词用is。故填is good for。 8句意：这场比赛帮助学生们了解团队合作的重要性。根据“The match helps the students know the importance of…”的语境并结合备选词汇可知，此处指这场比赛帮助学生们了解团队合作的重要性，work as a team“团队合作”，根据空前的of可知，此处用动名词形式。故填working as a team。 3、 翻译句子 1．吃蔬菜对我们有好处。 ________________________________________________________________________________ 【答案】It’s good for us to eat vegetables. 2．老师经常鼓励我们每日锻炼。 ________________________________________________________________________________ 【答案】The teacher often encourages us to do exercise every day. 3．如果你想保持健康，你可以试一试。 ________________________________________________________________________________ 【答案】If you want to keep healthy/fit, you can have a try. 4．如果你们不想输掉比赛， 就不要失去你们的团队精神。 ________________________________________________________________________________ 【答案】If you donʼt want to lose the match, donʼt lose your team spirit. 5．我们是朋友，所以我们应该互相帮助。 ________________________________________________________________________________ 【答案】We are friends, so we should help one another. 【重点句型练习】 一、单项填空 1．—Bill enjoys collecting stamps. — So ________ my father. A．do B．does C．is D．are 【答案】B 【详解】句意：——比尔喜欢收集邮票。——我爸爸也喜欢。 考查倒装句和助动词。根据“Bill enjoys collecting stamps.”可知，横线上是助动词，由于“my father”是三单，所以是does。故选B。 2．— The pop singer is so cool. I’m his fan. — __________. A．So do I B．So I do C．So am I D．So I am 【答案】C 【详解】句意：——这位流行歌手很酷。我是他的粉丝。   ——我也是。 考查倒装句。根据英语表达习惯，当一方陈述一种肯定的事实时，另一方可以用“So + be/情态动词/助动词+主语”结构来表示“……也一样”。根据上文“I’m his fan”可知，本句应意为“我也是”，即So am I，故选C。 3．—How can I succeed? —________ you set the goal, keep it. A．Only B．Just C．Once D．Unless 【答案】C 【详解】句意：——我怎样才能成功？——一旦你设定了目标，就要坚持它。 考查词义辨析。Only只有；Just只是；Once一旦；Unless除非。根据“you set the goal, keep it.”可知，是指一旦设定目标，就要坚持它。故选C。 4．Interest is the best teacher. It’s never too late to start ________ you find a new hobby. A．because B．so C．and D．once 【答案】D 【详解】句意：兴趣是最好的老师。一旦你找到了一个新的爱好，任何时候开始都不晚。 考查连词辨析。because因为；so所以；and和；once一旦。根据“It’s never too late to start... you find a new hobby.”可知，一旦找到新爱好，开始永远不会太晚。故选D。 5．________ is not easy for gardeners to plant so many trees in the park. A．There B．That C．This D．It 【答案】D 【详解】句意：对园丁来说，在公园里种这么多树是不容易的。 There那里；That那个；This这个；It它。分析句子结构可知，本句使用“It is+形容词+for sb. to do sth.”结构，意为“对某人来说做某事是……的”，其中It作形式主语，真正的主语是后面的不定式短语“to plant so many trees in the park”。应填It。 6．It’s difficult for me ________ football. A．play B．to play C．playing D．plays 【答案】B 【详解】句意：对于我来说，踢足球很难。 考查动词不定式作真正的主语。play“玩”，动词。根据“It’s difficult for me...football.”可知，本题考查句型：It’s+形容词+for sb.+to do sth.，表示“做某事对某人来说怎么样”，其中It是形式主语，真正的主语是动词不定式，结合选项，空格处应填to play。故选B。 7．It’s important to protect wild animals ________ they are part of nature. A．because B．when C．if D．unless 【答案】A 【详解】句意：保护野生动物很重要，因为它们是自然的一部分。 because因为；when当……时候；if如果；unless除非。根据句意可知，“它们是自然的一部分”是“保护野生动物很重要”的原因，前后句构成因果关系，所以用because引导原因状语从句。故选A。 8．They were swimming ________ they heard the news. A．what B．when C．if D．so 【答案】B 【详解】句意：当他们听到这个消息时，他们正在游泳。 考查连词辨析。what什么；when当……时；if如果，是否；so所以。根据“They were swimming”和“they heard the news”可知，应用when引导时间状语从句，表示“听到这个消息时，他们正在游泳”。故选B。 二、教材原句回译与仿写 1. 我的滑板真的很酷，他们的也是。 · 回译：My skateboard is really cool,and so are theirs. · 解析：句中so are theirs是so引导的倒装句，意思是“Their skateboards are cool too”。so引导倒装句通常表示前一种肯定情况也适用于后者，其结构为“so+be动词/助动词/情态动词+主语”。 · 仿写： 乔是一名医生，他妹妹也是(一名医生)。 Joe is a doctor, and so is his sister. 2. 有些动作很难，可一旦你成功，你会感觉非常棒! · 回译：Some tricks are difficult, but once you succeed, you feel great! · 解析：整个句子是一个并列复合句，并列连词but连接两个并列分句，第二个分句中once为连词，引导一个状语从句，表示条件，意为 “一旦，一经”。 · 仿写： (1) 约翰想去看电影，但他妻子想要去打羽毛球。 John wanted to go to the movies, but his wife wanted to play badminton. (2) 一旦你想要做某事，你一定要尽全力。 Once you want to do something, you must try your best. 3. 和朋友们在水里游泳、玩耍很有趣。 · 回译：It’s fun to swim and play with my friends in the water. · 解析：本句中 It 是形式主语，真正的主语是后面的不定式短语 to swim and play with my friends in the water. It’s+adj.+to do sth. 是常用句型，表示 “做某事是...样的”。 · 仿写： (1) 和同学们一起读书很有趣。 It’s fun/interesting to read books with classmates. (2) 每天锻炼三到五次是很好的。 It’s good to work out three to five times a week. 4. 我喜欢游泳，因为天气热的时候，凉爽的水感觉很棒。 · 回译：I like swimming because the cool water feels great when it’s hot. · 解析：本句中because the cool water feels great when it’s hot解释I like swimming的原因，是一个原因状语从句。这个原因状语从句中还包含了一个when引导的时间状语从句when it’s hot。 · 仿写： (1) 我喜欢慢跑，因为它可以使我充满能量。 I like jogging because it can make me full of energy. (2) 当我感到无聊时，我会和朋友打羽毛球。 When I feel bored, I will play badminton with my friends. 5. 我认为每个人都应该尝试一下。 · 回译：I think everyone should try it. · 解析：本句中 everyone should try it 整个句子跟在动词think后作其宾语，是一个宾语从句，这个宾语从句省略了引导词 that。 · 仿写： (1) 我认为我们应该每天锻炼。 I think we should exercise every day. (2) 我觉得慢跑，游泳都是很好的放松方式。 I think both jogging and swimming are good ways to relax. ( 第 1 页 共 15 页 ) 学科网（北京）股份有限公司 $ Unit3 Keep Fit 单元基础知识全方位精练 (Section B) 【重点单词练习】 1、 根据中文或首字母提示填写单词 1．Teachers always ________ (鼓励) us to ask questions in class. 2．Our school football ________ (队) won the game yesterday. 3．Our team doesn’t want to ________ (输掉) the game because three key players were absent. 4．After practicing for months, he finally ________ (成功) in playing that difficult piano piece without any mistakes. 5．With the teacher’s help, she has made great ________ (进步) in maths. 6．He spends half an hour ________ ________ (锻炼) every day. 7．It’s important for you to keep your ________ (目标) in mind when you feel tired. 8．Luca thinks it’s fun to make mobile phone ________ (应用程序). 9．Our team is strong. I think we can _________ (赢) the game. 10．As ________ (青少年), we should learn to look after ourselves. 11．We should do more exercise to keep ________ (健康的). 12．They will have a ________ (比赛；竞赛) with Class 2 tomorrow. 13．Your ________ (身体) language can tell others a lot about your mood. 14．You can ________ (尝试) and see if you like this hobby. 2、 重点词汇变形(根据构词法猜测单词词性和词义，并选词填空) 1. succeed / success / successful / successfully (1) What’s your secret(秘诀) of your __________? (2) Studying all the time is not the best way to __________. (3) Parents want their children to be __________. (4) They __________finished the work on time. 2. lose / loss / lost (1) Her death(去世) is a big__________for the field of animal science. (2) Alice found her__________pencil in the kitchen. (3) He didn’t want to__________such a good chance(机会). (4) They__________the match last Sunday. 3、 用所给词的适当形式填空或填写合适的词以使句意完整 1. The key to his _________ (succeed) is years of hard work and his creativity in art. 2. There will be two badminton ________ (match) this week. 3. He ________ (lose) his keys in the park, so we had to help him find them. 4. There are five ________（teenager）boys in the band. 5. Eating more vegetables is good ________ your health. 6. I usually go to the guitar class ________ (two) a week. 7. My father encouraged me ________ (visit) the Yellow Mountain during the summer holiday. 8. It’s fun to practise ________ (skateboard) with my friends on weekdays. 9. Their goal is ________ (win) the basketball game next month. 10. We have different ways of ________ (learn) English. 11. The red house is Mrs. Smith’s. The one next to it is ________ (our). 12. I jog three ________ (time) a week or more. 13. It’s necessary for children to learn to share things and work with others ________ a team. 14. Eating vegetables and doing sports can keep us ________ (health). 4、 单项填空 1. My friend Jenny often helps me ________ the math problems. A．blow out B．put up C．work out D．wake up 2. —________ do you go to the school library? —Twice a week. I am a book lover. A．How far B．How long C．How soon D．How often 3. She works very hard, so she always ________ in ________ the exam. A．successful; pass B．success; passing C．succeeds; passing D．successful; passing 4. My sister works hard and she makes ________ great progress in her study. A．a B．the C．/ D．an 5. —Jeff, I’m sorry for ________ your book. —Never mind. A．losing B．treating C．guessing D．leaving 6. —I spend most of my free time studying, but I still fall behind. —Don’t ________ heart. You should know Rome wasn’t built in a day. A．win B．lose C．feed D．change 7. Every day, Mike does _____ to keep healthy and he does the math ________ on school nights. A．exercise; exercise B．exercises; exercise C．exercises; exercises D．exercise; exercises 8. —My father is very strict with me. What about your father? — ________. He never lets off (放过) a single mistake of mine. A．So he is B．So is he C．He is so D．So does he 9. —Mum, can I go out to play with my friend now? —________ you finish your homework, you can have fun with him. A．Until B．Before C．Once D．While 10. His _________ is to do better in his business and provide a good life for his family. A．grade B．goal C．spirit D．advice 5、 选词填空 从方框中选择单词，并用其适当形式完成句子，每词限用一次 goal  work  times  special  because  free succeed  progress  her  way  There are lots of exciting ways for us to keep healthy. I have two friends, Jenny and Lily, and they have different 1 to stay fit. Jenny likes dancing and she is in our school’s dance club. She goes to the club three 2 a week. Her dance shoes are really beautiful. They learn new dance moves every week. It is hard to learn some moves, but once she 3 , she feels great. Dancing makes her fit and happy. Lily’s 4 is to be really fit this year, so she rides a bike, goes skateboarding and plays baseball in her 5 time. And she likes skateboarding best. Look! This skateboard is 6 . It looks well-used, 7 Lily uses it to practise skateboarding at a 8 park every day. As for me, I like doing aerobics (有氧运动) to keep fit. I often follow an exercise app 9 out. It’s hard for me at the start (起初) but I am very good at it now. The app can also show my 10 . My parents use this app too. We have a lot of fun together when they join me in practising. 【重点短语练习】 1、 短语英汉互译 1. 对...有好处 2. 使用运动软件 3. 打棒球 4. 一周两次 5. 鼓励...做某事 6. 互相 7. 使我保持健康 8. do sit-ups 9. 锻炼 10. 每天 11. 有乐趣 12. 一周三次 13. 建立团队精神 14. 两者都 15. on and off the field 16. work as a team 17. 去游泳 18. 一周两或三次 2、 选择短语填空(注意使用适当形式) 用方框中所给短语的适当形式填空。 be good for have fun    work as a team make progress work out   one another team spirit   twice a week 1． is very important in many activities. 2．I always play badminton with my good friends after school. We every day. 3．He is busy on weekdays, so he only exercises , every Saturday and Sunday. 4．John, work hard, and you will . 5．Tommy is not happy, because he can’t this problem. 6．Everyone in our class would like to help . 7．Brushing our teeth twice a day our health. 8．The match helps the students know the importance of . 3、 翻译句子 1．吃蔬菜对我们有好处。 ________________________________________________________________________________ 2．老师经常鼓励我们每日锻炼。 ________________________________________________________________________________ 3．如果你想保持健康，你可以试一试。 ________________________________________________________________________________ 4．如果你们不想输掉比赛， 就不要失去你们的团队精神。 ________________________________________________________________________________ 5．我们是朋友，所以我们应该互相帮助。 ________________________________________________________________________________ 【重点句型练习】 一、单项填空 1．—Bill enjoys collecting stamps. — So ________ my father. A．do B．does C．is D．are 2．— The pop singer is so cool. I’m his fan. — __________. A．So do I B．So I do C．So am I D．So I am 3．—How can I succeed? —________ you set the goal, keep it. A．Only B．Just C．Once D．Unless 4．Interest is the best teacher. It’s never too late to start ________ you find a new hobby. A．because B．so C．and D．once 5．________ is not easy for gardeners to plant so many trees in the park. A．There B．That C．This D．It 6．It’s difficult for me ________ football. A．play B．to play C．playing D．plays 7．It’s important to protect wild animals ________ they are part of nature. A．because B．when C．if D．unless 8．They were swimming ________ they heard the news. A．what B．when C．if D．so 二、教材原句回译与仿写 1. 我的滑板真的很酷，他们的也是。 · 回译： · 解析：句中so are theirs是so引导的倒装句，意思是“Their skateboards are cool too”。so引导倒装句通常表示前一种肯定情况也适用于后者，其结构为“so+be动词/助动词/情态动词+主语”。 · 仿写： 乔是一名医生，他妹妹也是(一名医生)。 2. 有些动作很难，可一旦你成功，你会感觉非常棒! · 回译： · 解析：整个句子是一个并列复合句，并列连词but连接两个并列分句，第二个分句中once为连词，引导一个状语从句，表示条件，意为 “一旦，一经”。 · 仿写： (1) 约翰想去看电影，但他妻子想要去打羽毛球。 (2) 一旦你想要做某事，你一定要尽全力。 3. 和朋友们在水里游泳、玩耍很有趣。 · 回译： · 解析：本句中 It 是形式主语，真正的主语是后面的不定式短语 to swim and play with my friends in the water. It’s+adj.+to do sth. 是常用句型，表示 “做某事是...样的”。 · 仿写： (1) 和同学们一起读书很有趣。 (2) 每天锻炼三到五次是很好的。 4. 我喜欢游泳，因为天气热的时候，凉爽的水感觉很棒。 · 回译： · 解析：本句中because the cool water feels great when it’s hot解释I like swimming的原因，是一个原因状语从句。这个原因状语从句中还包含了一个when引导的时间状语从句when it’s hot。 · 仿写： (1) 我喜欢慢跑，因为它可以使我充满能量。 (2) 当我感到无聊时，我会和朋友打羽毛球。 5. 我认为每个人都应该尝试一下。 · 回译： · 解析：本句中 everyone should try it 整个句子跟在动词think后作其宾语，是一个宾语从句，这个宾语从句省略了引导词 that。 · 仿写： (1) 我认为我们应该每天锻炼。 (2) 我觉得慢跑，游泳都是很好的放松方式。 ( 第 1 页 共 15 页 ) 学科网（北京）股份有限公司 $