Unit 7 Charities（Welcome～Reading）同步练习-2025-2026学年译林版英语八年级下册

Unit 7 Charities（Welcome-Reading）同步练习 Period 1 Welcome to the unit（基础练习） 一、请根据所给的汉语或首字母写出单词，使句子意思完整正确 1. [2025江苏无锡期中]The pioneers in the ______ (医疗的) area have left us so much useful knowledge. 2. [2025江苏苏州调研]John was about to speak but his mum raised a finger to her ______ (嘴唇). 3. Queen Elizabeth II supported over 600 ______ (慈善机构) and had a close connection with the public in her 70-year reign(在位时期). 4. [2025江苏徐州期中]Some v______ often help the old people tidy their flats at weekends. 5. Zhang Guimei founded the first f______ high school for girls in mountain areas. 二、单项选择 ( )6. [2025江苏南京期末]They ______ a new student club to help international students. A. invited B. invented C. founded D. received ( )7. [2025江苏徐州质检]Mike ______ a boy from the fire and we can't praise him too much. A. saved B. pushed C. brought D. asked ( )8. There are ______ people in this city now, and ______ people in other places want to live here too. A. millions of; two millions B. million of; two millions C. millions of; two million D. million of; two millions of ( )9. Our parents provide us ______ almost everything we need. We should care for them when they are old. A. for B. with C. on D. at 三、请根据句子意思，用括号中所给单词的适当形式填空 10. [2025江苏盐城期中]Our teacher will organize a charity sale for this local ______ (organize) next month. 11. We should understand the ______ (important) of protecting the environment. 12. [2025江苏连云港调研]The forests can produce oxygen for humans and animals ______ (breathe). 13. [2025江苏南京调研]We should learn to face problems bravely and never give up until they ______ (solve). 四、按要求完成句子(每空一词) 14. [2025江苏南通期末]We use this machine to cut paper. (改为同义句) This machine ______ ______ ______ cut paper by us. 15. [2025上海二模]That sign means: Don't smoke inside the library! (保持句意基本不变) That sign means ______ ______ isn't ______ inside the library. 16. I'm going to watch a movie this weekend. (对画线部分提问) ______ ______ are you going to ______ this weekend? 17. Training pets is necessary for good behaviour. (改为同义句) It is necessary ______ ______ pets for good behaviour. Period 2 Reading (I)（基础练习） 一、请根据所给的首字母或音标写出单词，使句子意思完整正确 1. [2025江苏无锡三模·节选]Although I didn't pass that i______, I gained valuable experience. 2. The nurse heard the alarm sound and immediately ran to check on p______. 3. [2025江苏常州期末]In the dark night, b______ of stars and the moon light the sky. 4. Bethune was a very famous doctor. He /kjuːd/ ______ many people in the war. 5. This is a rare /keɪs/ ______ of spontaneous recovery from the disease. 二、单项选择 ( )6. [2025上海虹口区期中]Not only my parents but also I ______ too busy to ______ a holiday last year. A. was; afford B. were; offer C. was; offer D. were; afford ( )7. [2025江苏南京调研]Have a/an ______ in life, or your energy will be wasted. A. action B. aim C. mistake D. rule ( )8. Please think about it! This project can bring you more ______ than you think. A. rests B. purposes C. benefits D. experiences ( )9. [2025江苏盐城质检]Mrs Green is very ______ to the neighbour who helped her child out of the fire. A. forgetful B. careful C. grateful D. useful ( )10. —The flowers on both sides make the street beautiful. —Yes. They ______ last week. A. planted B. will plant C. were planted D. will be planted 三、根据所给中文意思，用英语完成下列各句 11. [2024江苏南通期末]继续开展这项慈善工作需要更多的人力和财力。 More people and money are ______ ______ with the charity work. 12. 昨天上午，我爷爷接受了手术。 My grandfather ______ ______ ______ yesterday morning. 13. 这些孩子上周应邀登机，来了解飞机是如何飞行的。 Last week, the children ______ ______ ______ board to learn about how the plane flies. 14. [2025江苏苏州期末]许多病人负担不起去医院的费用。 Many patients can't afford to ______ ______ ______. 四、根据短文内容及所给单词(短语)，填写所缺单词(短语)，使短文意思完整。 volunteer for ready such as comfortable set up MSF stands for Medecins Sans Frontieres. It's also known as Doctors Without Borders(无国界医生). Medecins Sans Frontieres is French. This organization was ______15______ by some French doctors and reporters in 1971. Since then, MSF has sent trained doctors all over the world to help people who have suffered from disasters, ______16______ wars and illness. Every year, about 3,000 doctors and nurses work for MSF. Many doctors have already ______17______ MSF so far. The organization received the Nobel Peace Prize in 1999. All kinds of doctors can volunteer for MSF. They need to be ______18______ to go anywhere in the world. Most of MSF's work is in Africa. Doctors have to go for at least six months when MSF chooses them for a task. But why would doctors leave a ______19______ life and good pay to join MSF? Some of them say the experience is a great help in their life. And they say that it's great to give others a helping hand. Period 2 Reading (I)（能力提升） 阅读选择 体裁:应用文 题材:日常活动 词数:180 难度:★★ Jalan Amoy Charity Drive(慈善活动) Too many items at home that you have no use for? Donate them! Jalan Amoy Community Club is organizing a charity drive for the first time to collect your unwanted items like electronic appliances, toys, books, bikes, etc, which are still in good working condition. Donated items will be given to the children of Shepherd Children's Home and the elderly in St. Mary Old Folks' Home by 14th November. Details: - Collection venue(会场): Pavilion 12 on Peace Street - Date: 21st October - Time: 9 a.m. to 3 p.m. For those with large or heavy items, you may call Miss Jana at 636xx589 by 14th October for help. For more information, please email Miss Jana at jana@jalanamoy.com. *All items donated cannot be returned. *Everyone is encouraged to join in this activity for a good cause. *We do not accept money donations. ( )1. What items can be collected?（①electronic appliances ②money ③toys ④books） A. ①②③ B. ①②④ C. ①③④ D. ②③④ ( )2. What should John do if he wants to donate his large fridge? A. Call at 636xx589. B. Pay money for the drive. C. Email Jana's friend. D. Turn to the community. ( )3. What can we know from the text? A. The club often organizes charity drives. B. Some of the donated items can be returned. C. The donated items will be given to the disabled. D. The elderly are welcomed to join in the drive. ( )4. What is the main purpose of the text? A. To show us the advantages to clear up the house. B. To teach us the methods to collect the things unwanted. C. To invite us to be volunteers in Shepherd Children's Home. D. To encourage us to take part in this charity activity. Period 3 Reading (II)（基础练习） 一、请根据句子意思，用括号中所给单词的适当形式填空 1. The ______ (interview) asked me a lot of questions, and I hoped I could get the job. 2. [2025江苏常州调研]The old man tried every ______ (treat) the doctor had suggested, but it was no use. 3. [2025江苏南京期中]Yesterday evening, my room suddenly had a power cut, leaving me in the ______ (dark). 4. [2025江苏徐州期中]I can't afford ______ (go) to a restaurant every day. 5. I can understand the meaning by ______ (watch) their body language and the expressions on their faces. 二、请根据句子意思，用所给单词的适当形式填空并完成句子 train disease read operate develop 6. [2025江苏连云港期中]The doctor performed a/an ______ on the poor man yesterday. 7. After two months of ______, his young brother could swim. 8. [2025江苏南京期末]A good ______ lives a thousand lives before he dies. The man who never reads lives only one. 9. The children are ______ a plan to grow some flowers in the school garden. 10. [2025江苏南通质检]My brother is doing some medical research on some ______. 三、翻译句子 11. [2025江苏南京调研]戴维作为学校排球队的一员感到很自豪。(be proud to) ______________________________________________________ 12. [2025江苏无锡期中]感谢你带我们参观你的新房子。(thank sb for doing sth) ______________________________________________________ 13. 我希望每个人都能加入这个游戏中。(be able to) ______________________________________________________ 14. 我们不必害怕犯错误，因为我们可以从中受益。(benefit from) ______________________________________________________ 四、短文填空 根据短文内容及首字母提示，填写所缺单词，使短文意思完整。 [2025江苏镇江期末]Operation Smile was started by a doctor and his wife, Bill and Kathy Magee. In 1982, ______15______ with some volunteers, they went to the Philippines to help children with the cleft lip and palate(唇腭裂). Eating and drinking are very ______16______ for these children. The couple worked very hard, but they worried that they could not ______17______ on with the work because they didn't have enough money to treat more children. Then they ______18______ to start a charity so that they could help these children. They ______19______ Operation Smile. Over the years, Operation Smile has won many ______20______ for its work and in 1999 they even started a special event called the "World Journey of Hope". About 5,000 children in 18 countries were ______21______ on successfully during the event. Now the charity works in more than 30 countries and has volunteer doctors from ______22______ 60 countries. It ______23______ free operations and medical care for many children each year. On the other hand, Operation Smile helps ______24______ local doctors and nurses so that they can continue to help children when Operation Smile leaves. Period 3 Reading (II)（能力提升） 完形填空 体裁:记叙文 题材:日常活动 词数:256 难度:★★★ 建议用时:8分钟 [2025江苏南京调研]A family of four spend their Sunday evenings writing postcards to put smiles on the faces of people living with cancer. The Jourdain family began doing it last September through a charity which helps ______1______. Mrs Jourdain, who is a leadership coach and consultant and lives with her family in Eastbourne, told the ______2______ in an interview, "I have a friend called Emily, whose daughter Rosie was ______3______ writing letters to people with cancer and I thought that sounded ______4______. Every Sunday evening we all sit down around the kitchen table and ______5______ together. We thought it would be a nice way to put a ______6______ on someone's face." Mrs Jourdain said she and her husband have ______7______ some friends and family because of cancer, which ______8______ them to partake in the project. "I think it's nice because we've got such a range of ages between us, which gives us a ______9______ of topics to write about," Mrs Jourdain ______10______. "We got some feedback from the recipients, one of whom sent us a message saying they just got back from quite a ______11______ chemotherapy (化疗) session and that it was just so lovely to receive something uplifting. She said she hoped to "inspire" others to ______12______. "It's so simple, but can have such a big ______13______ and I just think we need to reignite(重燃) the love of a postcard or letter," she said. "Something ______14______ is so lovely and personal and cannot be ______15______ in an email or a text." ( )1. A. teenagers B. families C. patients D. readers ( )2. A. media B. charity C. hospital D. school ( )3. A. incredibly B. regularly C. exactly D. bravely ( )4. A. strange B. ambitious C. enthusiastic D. awesome ( )5. A. discuss B. write C. operate D. express ( )6. A. smile B. surprise C. burden D. relaxation ( )7. A. made B. met C. lost D. remembered ( )8. A. required B. allowed C. directed D. urged ( )9. A. flow B. variety C. bucket D. team ( )10. A. continued B. wondered C. replied D. demanded ( )11. A. thrilling B. joyous C. painful D. beneficial ( )12. A. pay attention B. reach an agreement C. follow suit D. take care ( )13. A. opportunity B. impact C. occasion D. option ( )14. A. handwritten B. delivered C. printed D. taught ( )15. A. represented B. conveyed C. imagined D. reproduced 阅读选择 体裁:应用文 题材:日常活动 词数:195 难度:★ 建议用时:7分钟 [2025江苏南通期末]Here is a charity sale for the poor African children. We will give away the money we raise in the charity sale. Come and see our things. I have some soft toys to sell. The teddy bear is my thirteen-year-old birthday gift. I have had it for one year. It still looks very new. Its original price(原价)is $50. You only need to pay $15 for it now. Other toys are very new but cheap too. —Nancy I have a music player. I have had it for three months. It works very well now. It stays with me whenever I feel upset. And I have downloaded some pop songs in it. I hope it can be with you when you are not happy. It costs me $220. Now, you can take it with $100. —David I want to sell some of my fiction. I began to buy fiction when I was thirteen years old. My favourite book is Alice's Adventures in Wonderland. I believe anyone will learn a lot from this book like me. Each book only costs $10. You can get the second one at half price. —Henry ( )16. Who may get the money raised from the charity sale? A. A poor child in Africa. B. A homeless man from America. C. A disabled man in hospital. D. A poor family with three children. ( )17. How old is Nancy? A. 12. B. 13. C. 14. D. 15. ( )18. According to the passage, what may David do when he is unhappy? A. Listen to music. B. Watch movies. C. Read fiction. D. Play with toys. ( )19. How much will you pay if you buy two books from Henry? A. $5. B. $10. C. $15. D. $20. ( )20. Which of the following is TRUE? A. The three children sell the same thing. B. You can get the teddy bear at half price. C. Henry learns a lot from Alice's Adventures in Wonderland. D. There are many rock songs in David's music player. 阅读还原 体裁:记叙文 题材:日常活动 词数:178 难度:★★ 建议用时:7分钟 Linda and her brother John have saved money for many years. One day, Linda emptied her money box. "I would like to help other people with the money," she said. ______21______ "We can do a lot for others with all the money," John said with a smile. "But who shall we help?" Linda asked. "Let's help our neighbours, Billy and his sister, Rose. I have found that there were some holes in their shoes," John said. "______22______" Linda and John told their mother their plan. She was glad and took them to a shoe store at once. They picked out two pairs of shoes for Billy and Rose. ______23______ When it was dark, John put the boxes near Billy and Rose's door, and knocked hard, and then ran away quickly. Billy and Rose came out. "Look! There are presents for us," Billy said. They looked around, but they didn't find anyone. ______24______ The next morning, when Linda and John went out, they saw Billy and Rose wearing their new shoes. ______25______ A. Who can help us? B. John also emptied his money box. C. They took the boxes inside happily. D. We can buy some new shoes for them. E. They put the two pairs of shoes into two boxes. F. Linda and John were happy because they could help others. 答案 # 英语练习答案与解析 Period 1 Welcome to the unit（基础练习） 一、单词拼写 1. medical 解析：形容词，意为“医疗的”，修饰名词area。 2. lips 解析：可数名词，意为“嘴唇”，此处用复数形式表示泛指。 3. charities 解析：可数名词，意为“慈善机构”，前面有数字600，需用复数形式。 4. volunteers 解析：可数名词，意为“志愿者”，由some修饰且后文谓语为help，用复数形式。 5. free 解析：形容词，意为“免费的”，句意指张桂梅创办了山区第一所免费女子高中。 二、单项选择 6. C 解析：A. invited 邀请；B. invented 发明；C. founded 创立、建立；D. received 收到。句意为“他们______一个新的学生俱乐部来帮助国际学生”，选founded。 7. A 解析：A. saved 拯救；B. pushed 推；C. brought 带来；D. asked 询问。“save sb from the fire”意为“从火中救出某人”，符合句意。 8. C 解析：million的用法：① 与具体数字连用，用单数，如two million；② 表示不确定的“数百万”，用millions of。因此选C。 9. B 解析：固定搭配“provide sb with sth”，意为“为某人提供某物”。 三、用所给单词适当形式填空 10. organization 解析：形容词local修饰名词，organize的名词形式为organization（组织）。 11. importance 解析：固定搭配“the importance of...”，意为“……的重要性”，important的名词形式为importance。 12. to breathe 解析：不定式作目的状语，句意为“森林可以为人类和动物制造氧气供其呼吸”。 13. are solved 解析：they指代problems，与solve是被动关系，用被动语态；主句为一般现在时，从句也用一般现在时，故填are solved。 四、按要求完成句子 14. is used to 解析：原句主动语态改为被动语态，结构为“be used to do sth”（被用来做某事）。 15. that smoking; allowed 解析：原句“禁止在图书馆内吸烟”可转换为“that smoking isn't allowed...”，动名词smoking作主语，用被动语态。 16. What activity; do 解析：对“watch a movie”（所做的活动）提问，用what activity，助动词are后接动词原形do。 17. to train 解析：固定句型“It is + 形容词 + to do sth”，it作形式主语，不定式作真正主语。 Period 2 Reading (I)（基础练习） 一、单词拼写 1. interview 解析：可数名词，意为“面试；采访”，句意指“虽然我没通过那次面试，但获得了宝贵经验”。 2. patients 解析：可数名词，意为“病人”，护士听到警报后去查看病人，用复数形式表泛指。 3. billions 解析：固定搭配“billions of”，意为“数十亿的”，句意指黑夜中繁星和月亮照亮天空。 4. cured 解析：音标/kjuːd/对应单词cured，为cure的过去式，意为“治愈”。 5. case 解析：音标/keɪs/对应单词case，意为“病例”，a rare case意为“罕见病例”。 二、单项选择 6. A 解析：“not only...but also...”遵循就近原则，靠近谓语的主语是I，last year表明用一般过去时，故be动词用was；afford a holiday意为“负担得起假期”，offer意为“提供”，不符合句意。 7. B 解析：A. action 行动；B. aim 目标；C. mistake 错误；D. rule 规则。句意为“人生要有一个______，否则你的精力会被浪费”，选aim。 8. C 解析：A. rests 休息；B. purposes 目的；C. benefits 益处；D. experiences 经历。句意为“这个项目能给你带来比想象中更多的______”，选benefits。 9. C 解析：A. forgetful 健忘的；B. careful 小心的；C. grateful 感激的；D. useful 有用的。“be grateful to sb”意为“对某人感激”，符合句意。 10. C 解析：they指代flowers，与plant是被动关系；last week表明用一般过去时，故用一般过去时的被动语态were planted。 三、根据中文完成句子 11. needed to carry 解析：“需要做某事”用“be needed to do sth”，“开展”用carry out，此处省略out，直接接with the charity work。 12. had an operation 解析：“接受手术”的固定表达为“have an operation”，yesterday morning表明用一般过去时，故填had an operation。 13. were invited to 解析：“应邀做某事”用“be invited to do sth”，last week表明用一般过去时，主语children是复数，故填were invited to。 14. go to hospital 解析：“负担得起做某事”用“afford to do sth”，“去医院”用go to hospital（泛指看病）。 四、短文填空 15. set up 解析：organization与set up是被动关系，此处为一般过去时的被动语态，故填set up（set的过去分词与原形一致）。 16. such as 解析：用于列举 disasters 的例子（wars and illness），意为“例如”。 17. volunteered for 解析：so far是现在完成时的标志词，故填have volunteered for，此处已有have，填volunteered for。 18. ready 解析：固定搭配“be ready to do sth”，意为“准备好做某事”。 19. comfortable 解析：形容词修饰名词life，句意指“离开舒适的生活和高薪”。 Period 2 Reading (I)（能力提升） 阅读选择 1. C 解析：根据文中“collect your unwanted items like electronic appliances, toys, books, bikes, etc”和“We do not accept money donations”可知，不接受现金捐赠，故选①③④。 2. A 解析：根据文中“For those with large or heavy items, you may call Miss Jana at 636xx589”可知，捐赠大型物品可拨打该电话。 3. D 解析：A项错误，文中说“for the first time”；B项错误，文中说“All items donated cannot be returned”；C项错误，捐赠物品给儿童和老人，不是残疾人；D项正确，文中“Everyone is encouraged to join in”表明老人也可参与。 4. D 解析：文章主要目的是鼓励人们参与这次慈善捐赠活动。 Period 3 Reading (II)（基础练习） 一、单词适当形式填空 1. interviewer 解析：定冠词the后接名词，指“面试官”，符合句意“面试官问了我很多问题”。 2. treatment 解析：every修饰名词，treat的名词形式为treatment（治疗方案）。 3. dark 解析：固定搭配“in the dark”，意为“在黑暗中”。 4. to go 解析：固定搭配“afford to do sth”，意为“负担得起做某事”。 5. watching 解析：介词by后接动名词形式，意为“通过做某事”。 二、选词填空 6. operation 解析：固定搭配“perform an operation”，意为“做手术”。 7. training 解析：介词of后接名词，train的名词形式为training（训练）。 8. reader 解析：不定冠词a后接可数名词单数，句意指“一个好的读者在死前能体验千种人生”。 9. developing 解析：现在进行时结构为“be doing”，句意指“孩子们正在制定一个在学校花园种花的计划”。 10. diseases 解析：some修饰可数名词复数，disease的复数形式为diseases（疾病）。 三、翻译句子 11. David is proud to be a member of the school volleyball team. 解析：“be proud to do sth”意为“作为……感到自豪”，“学校排球队一员”译为a member of the school volleyball team。 12. Thank you for showing us around your new house. 解析：“thank sb for doing sth”意为“感谢某人做某事”，“带某人参观”译为show sb around。 13. I hope everyone is able to join in this game. 解析：“be able to do sth”意为“能够做某事”，“加入游戏”译为join in this game。 14. We don't have to be afraid of making mistakes, because we can benefit from them. 解析：“不必”译为don't have to，“害怕做某事”译为be afraid of doing sth，“从……受益”译为benefit from。 四、短文填空 15. along 解析：固定搭配“along with”，意为“和……一起”。 16. difficult 解析：唇腭裂儿童的饮食是很困难的，故填difficult。 17. carry 解析：固定搭配“carry on with sth”，意为“继续做某事”。 18. decided 解析：句意指“然后他们决定创办一个慈善机构”，用一般过去时decided。 19. started/founded 解析：句意指“他们创办了微笑行动”，用一般过去时started或founded。 20. awards 解析：固定搭配“win awards”，意为“获奖”，many后接复数形式。 21. operated 解析：children与operate是被动关系，用被动语态，故填operated。 22. over 解析：意为“超过”，相当于more than，句意指“来自超过60个国家的志愿者医生”。 23. provides 解析：固定搭配“provide sth for sb”，意为“为某人提供某物”，主语it是第三人称单数，用provides。 24. train 解析：固定搭配“help (to) do sth”，意为“帮助做某事”，句意指“帮助培训当地的医生和护士”。 Period 3 Reading (II)（能力提升） 完形填空 1. C 解析：根据前文“people living with cancer”可知，这个慈善机构帮助癌症病人（patients）。 2. A 解析：固定搭配“tell the media”，意为“告诉媒体”，符合语境。 3. B 解析：A. incredibly 难以置信地；B. regularly 定期地；C. exactly 恰好地；D. bravely 勇敢地。句意指“定期给癌症患者写信”，选regularly。 4. D 解析：A. strange 奇怪的；B. ambitious 有野心的；C. enthusiastic 热情的；D. awesome 很棒的。句意指“我觉得这听起来很棒”，选awesome。 5. B 解析：前文提到writing postcards，此处指一家人围坐在一起写信，选write。 6. A 解析：固定搭配“put a smile on one's face”，意为“让某人开心”。 7. C 解析：句意指“因为癌症失去了一些朋友和家人”，选lost。 8. D 解析：A. required 要求；B. allowed 允许；C. directed 指导；D. urged 促使。句意指“这件事促使他们参与这个项目”，选urged。 9. B 解析：固定搭配“a variety of”，意为“各种各样的”。 10. A 解析：句意指“Jourdain夫人继续说道”，选continued。 11. C 解析：化疗过程是痛苦的，故填painful。 12. C 解析：A. pay attention 注意；B. reach an agreement 达成协议；C. follow suit 效仿；D. take care 小心。句意指“鼓励其他人效仿”，选follow suit。 13. B 解析：固定搭配“have a big impact”，意为“产生很大的影响”。 14. A 解析：与email和text对比，指手写的明信片或信件，选handwritten。 15. B 解析：A. represented 代表；B. conveyed 传达；C. imagined 想象；D. reproduced 复制。句意指“手写的东西所蕴含的情感无法通过邮件或短信传达”，选conveyed。 阅读选择 16. A 解析：根据文中“a charity sale for the poor African children. We will give away the money we raise”可知，钱捐给非洲贫困儿童。 17. C 解析：根据文中“The teddy bear is my thirteen-year-old birthday gift. I have had it for one year”可知，南希现在14岁。 18. A 解析：根据文中“I have a music player... It stays with me whenever I feel upset”可知，大卫不开心时会听音乐。 19. C 解析：根据文中“Each book only costs $10. You can get the second one at half price”可知，两本书总价为$10 + $5 = $15。 20. C 解析：A项错误，三人卖的东西不同；B项错误，泰迪熊原价$50，现价$15，不是半价；C项正确，根据文中“My favourite book is Alice's Adventures in Wonderland. I believe anyone will learn a lot from this book like me”；D项错误，文中说的是pop songs，不是rock songs。 阅读还原 21. B 解析：前文琳达倒空存钱罐，后文约翰说“我们可以用这些钱帮别人”，可知约翰也倒空了存钱罐，选B。 22. D 解析：前文约翰说比利和罗丝的鞋子有洞，后文提到买鞋，可知此处是说“我们可以给他们买新鞋”，选D。 23. E 解析：前文提到挑了两双鞋，后文提到把盒子放在门口，可知此处是说“把两双鞋放进两个盒子里”，选E。 24. C 解析：前文比利和罗丝发现礼物，可知此处是说“他们开心地把盒子拿进屋里”，选C。 25. F 解析：前文看到比利和罗丝穿着新鞋，可知此处是说“琳达和约翰很开心，因为他们能帮助别人”，选F。 学科网（北京）股份有限公司 $