精品解析：山东东营市垦利区2025—2026学年鲁科版（五四学制）（三起）第二学期期末质量调研四年级英语试题

2025-2026学年第二学期期末质量调研 四年级英语试题 (考试时间：60分钟 分值：100分) 听力部分 小贴士：同学们，听力部分共有四个大题，在听每个大题之前你将有10秒钟的时间观察图画或读题，每小题在听录音两遍后，你将有8秒钟的答题时间。 1. 听录音，根据发音规律，选择合适的字母组合将单词补充完整。【此处可播放相关音频，请去附件查看】 1. s___l ai ea 2. j___p ee ch 3. M___ ay ow 4. sn___ ai ow 5. ___ell sh wh 6. t___cher ck ea 7. wat___ ch sh 8. g___t oa sh 9. lo___ ai ck 10. b___ ee ow 2. 听录音，选出句子中所包含的单词，将其字母代号填入题前括号内。【此处可播放相关音频，请去附件查看】 （ ） 1. A. clean B. clothes （ ） 2. A. live B. listen （ ） 3. A. food B. fit （ ） 4. A. ship B. sheep （ ） 5. A. want B. wait （ ） 6. A. back B. bus （ ） 7. A. help B. holiday （ ） 8. A. picnic B. picture （ ） 9. A. table B. temple （ ） 10. A. buy B. by 3. 录音中有10个句子，判断与图片是(T)否(F)相符。【此处可播放相关音频，请去附件查看】 （ ） 1. （ ） 2. （ ） 3. （ ） 4. （ ） 5. （ ） 6. （ ） 7. （ ） 8. （ ） 9. （ ） 10. 4. 录音中有10组对话，将与对话内容相符的答案圈画出来。【此处可播放相关音频，请去附件查看】 1. Mike is from Australia/ the USA. 2. Li Lei can wash shoes/ clean the window. 3. Today is Tuesday/ Friday. 4. They are in the cinema/ shop. 5. They want to go to the restaurant/ museum. 6. Dad is watering the plants/ cooking potatoes. 7. I live in New York/ Ottawa. 8. Guo Yang often plays basketball/ helps in the gym. 9. The car is blue/ red. 10. Amy is going to Guangzhou/ Sydney. 笔试部分 5. 给下面单词分分类吧，把和例词同类的选项前的字母代号填到相应横线上。 A. tofu B. museum C. ship D. pizza E. Canada F. plane G. France H. cabbage I. bike J. cinema Mang Hong正在完成英语老师布置的“词配画”作业呢！画画部分已经完成，赶紧帮她搭配正确的英语词组吧，把字母代号填到相应括号里。 A. go swimming B. sweep the floor C. learn kung fu D. feed the fish E. make the bed F. play volleyball G. go fishing H. water the flowers I. wash socks J. listen to music 6. （ ） 7. （ ） 8. （ ） 9. （ ） 10. （ ） 11. （ ） 12. （ ） 13. （ ） 14. （ ） 15. （ ） 七、从括号中选择合适的单词补全句子。(句子开头的单词首字母记得要大写奥) 16. I’m from _______. I live in _______. ( Ottawa, Canada ) 17. I can _______ some clothes. Look! I’m _______ socks. ( wash, washing ) 18. It’s time _______ dinner. Would you like something _______ eat? ( to, for ) 19. He _______ takes pictures. _______ he climbs hills. (sometimes, often) 20. We’d like _______ pizza and _______ apple pie, please. ( an, a ) 八、给问句选择合适的答语，将其字母代号填入题前括号内。 21. Where is he from? ( ) A. I’m from China. B. He’s from Shandong. 22. Where do you live? ( ) A. I live in Beijing. B. Beijing is a beautiful city. 23. Where is Jenny going this summer? ( ) A. By plane. B. She’s going to the USA. 24. What are you doing? ( ) A. I’m cleaning the window. B. I’m back. 25. What do you want to eat? ( ) A. A coffee, please. B. I want to eat rice. 26. What does your father do at weekends? ( ) A. He’s taking pictures. B. He often does taijiquan. 27. What are you going to do there? ( ) A. I can learn kung fu. B. I’m going to see the sunrise. 28. How much are the trousers? ( ) A. Fifty-eight yuan. B. It’s two hundred yuan. 29. Can I help you? ( ) A. Yes. I’d like a toy bus, please! B. Yes, I can. 30. Can you sweep the floor? ( ) A. That’s OK. B. No. But I can try. 读对话，完成下面各题。 31. 将下面句子前的字母代号填入对话中的空白处，将对话补充完整。 A: Hi, Li Ming. This is my friend, Tom. B: Nice to meet you, Tom! C: Nice to meet you, too. B: _______ C: I’m from the UK. B: _______ C: I often play football and read books. B: Do you like Chinese food? C: _______ A: The summer holiday is coming. _______ B: I’m going to Qingdao to see the sea. What about you, Tom? C: _______ A & B: That must be fun. A. I’m going to learn kung fu. B. Where are you from? C. What are you going to do? D. What do you do at weekends? E. Yes. I like noodles and jiaozi. 32. 根据对话内容完善Tom的信息卡。 Name: Tom Country (国家): _______ Weekend Activity (周末活动): _______ _______ Favourite Chinese Food (喜爱的中国食物): _______ _______ Janny正在参加“劳动小达人”评选录制呢！读一读她的介绍，完成下面各题。 I’m Jenny. I’m ten years old. I often do chores with my family. We’ re very happy. My dad and mum think (认为) I’m a good girl. I can do lots of chores. I’m watering the flowers now. After lunch, I’m going to sweep the floor and wash the dishes. I’m busy (忙碌) at weekends. I often wash clothes. Sometimes I make the bed, but I can’t do it well. My dad often helps me. This is me. I’m a whiz at chores. Do you like me? Let’s do chores together. 33. 给Jenny的家务劳动按时间分分类，将图片前的字母代号填入相应方框内。 A. B. C. D. E. 34. 阅读短文，选择正确的答案，将选项前的字母代号填到括号内。 (1) How old is Jenny? （ ） A. Eleven. B. Ten. C. Two. (2) The underlined (画线的) words “a whiz at chores” mean (意思是) ______. （ ） A. 学习达人 B. 运动达人 C. 劳动达人 (3) Jenny is a ______ girl. （ ） A. good B. lazy (懒惰的) C. tall 35. 根据你自己的实际情况回答问题。(不会写的单词可以从其他题目中找答案奥) (1) Do you often do chores at home? ____________________________________ (2) What chores can you do? ____________________________________ 第1页/共1页 学科网（北京）股份有限公司 $ 2025-2026学年第二学期期末质量调研 四年级英语试题 (考试时间：60分钟 分值：100分) 听力部分 小贴士：同学们，听力部分共有四个大题，在听每个大题之前你将有10秒钟的时间观察图画或读题，每小题在听录音两遍后，你将有8秒钟的答题时间。 1. 听录音，根据发音规律，选择合适的字母组合将单词补充完整。【此处可播放相关音频，请去附件查看】 1. s___l ai ea 2. j___p ee ch 3. M___ ay ow 4. sn___ ai ow 5. ___ell sh wh 6. t___cher ck ea 7. wat___ ch sh 8. g___t oa sh 9. lo___ ai ck 10. b___ ee ow 【答案】1. ai 2. ee 3. ay 4. ow 5. sh 6. ea 7. ch 8. oa 9. ck 10. ee 【解析】 【详解】听力材料： 1. sail 2. jeep 3. May 4. snow 5. shell 6. teacher 7. watch 8. goat 9. lock 10. bee 2. 听录音，选出句子中所包含的单词，将其字母代号填入题前括号内。【此处可播放相关音频，请去附件查看】 （ ） 1. A. clean B. clothes （ ） 2. A. live B. listen （ ） 3. A. food B. fit （ ） 4. A. ship B. sheep （ ） 5. A. want B. wait （ ） 6. A. back B. bus （ ） 7. A. help B. holiday （ ） 8. A. picnic B. picture （ ） 9. A. table B. temple （ ） 10. A. buy B. by 【答案】 ①. B ②. A ③. B ④. A ⑤. A ⑥. A ⑦. B ⑧. A ⑨. A ⑩. A 【解析】 【详解】听力材料： 1. I’m washing clothes. 2. I live in New York. 3. They fit you well. 4. I’m going to Dalian by ship. 5. What do you want to eat? 6. We are back, Mum. 7. The summer holiday is coming. 8. Let’s go for a picnic. 9. She’s cleaning the table. 10. It looks cool. Can we buy it? 3. 录音中有10个句子，判断与图片是(T)否(F)相符。【此处可播放相关音频，请去附件查看】 （ ） 1. （ ） 2. （ ） 3. （ ） 4. （ ） 5. （ ） 6. （ ） 7. （ ） 8. （ ） 9. （ ） 10. 【答案】 ①. T ②. F ③. T ④. F ⑤. F ⑥. F ⑦. F ⑧. T ⑨. F ⑩. F 【解析】 【详解】听力材料： 1. He’s cleaning the chair. 2. Hi, I’m Tim. I’m from the UK. 3. Jenny likes taking pictures. 4. The chi-pao is three hundred yuan. 5. I can use the washing machine. 6. We’d like some pair juice, please. 7. The London eye is famous. 8. I want to eat noodles. 9. The toy panda is nice. 10. I’m going to Sydney in July. 4. 录音中有10组对话，将与对话内容相符的答案圈画出来。【此处可播放相关音频，请去附件查看】 1. Mike is from Australia/ the USA. 2. Li Lei can wash shoes/ clean the window. 3. Today is Tuesday/ Friday. 4. They are in the cinema/ shop. 5. They want to go to the restaurant/ museum. 6. Dad is watering the plants/ cooking potatoes. 7. I live in New York/ Ottawa. 8. Guo Yang often plays basketball/ helps in the gym. 9. The car is blue/ red. 10. Amy is going to Guangzhou/ Sydney. 【答案】1.圈the USA 2.圈wash shoes 3.圈Friday 4.圈shop 5.圈restaurant 6.圈cooking potatoes 7.圈Ottawa 8.圈helps in the gym 9.圈blue 10.圈Sydney 【解析】 【详解】听力材料： 1. —I’m Mike. I’m from the USA. —Nice to meet you, Mike. 2. —Let’s do chores, Li Lei. —OK, mom. I can wash shoes. 3. —Have a nice weekend. —Thank you, Miss Zhang. 4. —Excuse me. Do you have schoolbags? —Yes, we do. This way, please. 5. —Oh! We all want Chinese food. Shall we eat out? —Sure. Let’s go. 6. —Hi, dad. What are you doing? —I’m cooking potatoes. 7. —Where do you live? —I live in Ottawa. 8. —Does Guo Yang often play basketball? —No, he doesn’t. He often helps in the gym. 9. —Do you like this car? —Sorry. I want a red one. 10. —What are you going to do there, Amy? —I’m going to see the Sydney Opera House. 笔试部分 5. 给下面单词分分类吧，把和例词同类的选项前的字母代号填到相应横线上。 A. tofu B. museum C. ship D. pizza E. Canada F. plane G. France H. cabbage I. bike J. cinema 【答案】 China：E，G；beef：A，D，H；shop：B，J；train：C，F，I； 【解析】 【详解】China中国，Canada加拿大，France法国，都是表示国家的专有名词。 beef牛肉，tofu豆腐，pizza披萨，cabbage卷心菜，都是表示食物的名词。 shop商店，museum博物馆，cinema电影院，都是表示场所的名词。 train火车，ship轮船，plane飞机，bike自行车，都是表示交通工具的名词。 Mang Hong正在完成英语老师布置的“词配画”作业呢！画画部分已经完成，赶紧帮她搭配正确的英语词组吧，把字母代号填到相应括号里。 A. go swimming B. sweep the floor C. learn kung fu D. feed the fish E. make the bed F. play volleyball G. go fishing H. water the flowers I. wash socks J. listen to music 6. （ ） 7. （ ） 8. （ ） 9. （ ） 10. （ ） 11. （ ） 12. （ ） 13. （ ） 14. （ ） 15. （ ） 【答案】6. B 7. E 8. I 9. G 10. C 11. H 12. D 13. F 14. J 15. A 【解析】 【6题详解】 图片是扫地，sweep the floor与图片匹配。 【7题详解】 图片是整理床铺，make the bed与图片匹配。 【8题详解】 图片是洗袜子，wash socks与图片匹配。 【9题详解】 图片是钓鱼，go fishing与图片匹配。 【10题详解】 图片是学功夫，learn kung fu与图片匹配。 【11题详解】 图片是浇花，water the flowers与图片匹配。 【12题详解】 图片是喂鱼，feed the fish与图片匹配。 【13题详解】 图片是打排球，play volleyball与图片匹配。 【14题详解】 图片是听音乐，listen to music与图片匹配。 【15题详解】 图片是游泳，go swimming与图片匹配。 七、从括号中选择合适的单词补全句子。(句子开头的单词首字母记得要大写奥) 16. I’m from _______. I live in _______. ( Ottawa, Canada ) 【答案】 ①. Canada ②. Ottawa 【解析】 【详解】句意：我来自_____。我住在_____。Canada加拿大，是国家，Ottawa渥太华，是城市，结合表达逻辑，第一空填Canada表示来自加拿大，第二空填Ottawa表示居住在渥太华。 17. I can _______ some clothes. Look! I’m _______ socks. ( wash, washing ) 【答案】 ①. wash ②. washing  【解析】 【详解】句意：我会洗一些衣服。看！我正在洗袜子。情态动词can后跟动词原形wash；根据Look可知后句时态为现在进行时，结构为be+现在分词，wash的现在分词是washing。 18. It’s time _______ dinner. Would you like something _______ eat? ( to, for ) 【答案】 ①. for ②. to 【解析】 【详解】句意：该吃晚饭了。你想要吃点什么东西吗？It’s time for+名词，是固定搭配，表示到了……的时间了；不定代词something要用动词不定式to eat作后置定语，something to eat意为“吃的东西”。 19. He _______ takes pictures. _______ he climbs hills. (sometimes, often) 【答案】 ①. often ②. Sometimes 【解析】 【详解】句意：他_____拍照。_____他爬山。sometimes有时候，可以放在句首，后面接完整句子；often放在主语后、实义动词之前。 20. We’d like _______ pizza and _______ apple pie, please. ( an, a ) 【答案】 ①. a ②. an 【解析】 【详解】句意：我们想要一份披萨和一份苹果派。pizza是以辅音音素开头的单词，用不定冠词a；apple是以元音音素开头的单词，用不定冠词an。 八、给问句选择合适的答语，将其字母代号填入题前括号内。 21. Where is he from? ( ) A. I’m from China. B. He’s from Shandong. 【答案】B 【解析】 【详解】句意：他来自哪里？I’m from China.我来自中国。He’s from Shandong.他来自山东。根据问句可知答句主语用He他。 22. Where do you live? ( ) A. I live in Beijing. B. Beijing is a beautiful city. 【答案】A 【解析】 【详解】句意：你住在哪里？I live in Beijing.我住在北京。Beijing is a beautiful city.北京是一座漂亮的城市。问句是询问对方居住的地点，答语回答具体位置。 23. Where is Jenny going this summer? ( ) A. By plane. B. She’s going to the USA. 【答案】B 【解析】 【详解】句意：珍妮这个夏天要去哪里？By plane.乘飞机。She’s going to the USA.她要去美国。问句询问要去的地点，答句回答具体地点。 24. What are you doing? ( ) A. I’m cleaning the window. B. I’m back. 【答案】A 【解析】 【详解】句意：你在干什么？I’m cleaning the window.我正在擦窗户。I’m back.我回来了。问句使用现在进行时询问对方当下正在做的事情，答语需要对应说明自己此刻正在进行的动作。 25. What do you want to eat? ( ) A. A coffee, please. B. I want to eat rice. 【答案】B 【解析】 【详解】句意：你想吃什么？A coffee, please.请给我一杯咖啡。I want to eat rice.我想吃米饭。根据问句可知应回答想吃什么。 26. What does your father do at weekends? ( ) A. He’s taking pictures. B. He often does taijiquan. 【答案】B 【解析】 【详解】句意：你爸爸在周末做什么？He’s taking pictures.他正在拍照。He often does taijiquan.他经常打太极拳。问句是一般现在时，可知是问周末经常性的活动。 27. What are you going to do there? ( ) A. I can learn kung fu. B. I’m going to see the sunrise. 【答案】B 【解析】 【详解】句意：你打算在那里做什么？I can learn kung fu.我可以学习功夫。I’m going to see the sunrise.我打算去看日出。问句询问打算做的事情，答句回答具体计划做的事。 28. How much are the trousers? ( ) A. Fifty-eight yuan. B. It’s two hundred yuan. 【答案】A 【解析】 【详解】句意：这条裤子多少钱？Fifty-eight yuan.五十八元。It’s two hundred yuan.它是两百元。题干询问这条裤子多少钱，trousers是复数名词，回答时对应的代词要用复数形式，排除B，答句回答价格即可。 29. Can I help you? ( ) A. Yes. I’d like a toy bus, please! B. Yes, I can. 【答案】A 【解析】 【详解】句意：我能帮你吗？Yes. I’d like a toy bus, please!是的。我想要一个玩具巴士，谢谢！Yes, I can.是的，我能。根据题干可知回应时需要告知对方自己的具体需求。 30. Can you sweep the floor? ( ) A. That’s OK. B. No. But I can try. 【答案】B 【解析】 【详解】句意：你会扫地吗？That’s OK.没关系。No. But I can try.不。但是我可以试试。句子是一般疑问句，用yes/no回答。 读对话，完成下面各题。 31. 将下面句子前的字母代号填入对话中的空白处，将对话补充完整。 A: Hi, Li Ming. This is my friend, Tom. B: Nice to meet you, Tom! C: Nice to meet you, too. B: _______ C: I’m from the UK. B: _______ C: I often play football and read books. B: Do you like Chinese food? C: _______ A: The summer holiday is coming. _______ B: I’m going to Qingdao to see the sea. What about you, Tom? C: _______ A & B: That must be fun. A. I’m going to learn kung fu. B. Where are you from? C. What are you going to do? D. What do you do at weekends? E. Yes. I like noodles and jiaozi. 32. 根据对话内容完善Tom的信息卡。 Name: Tom Country (国家): _______ Weekend Activity (周末活动): _______ _______ Favourite Chinese Food (喜爱的中国食物): _______ _______ 【答案】31. ①. B ②. D ③. E ④. C ⑤. A 32. ①. the UK ②. play football ③. read books ④. noodles ⑤. jiaozi 【解析】 【导语】本文主要讲述了三人谈论汤姆的国籍，周末的活动，对中国食物的喜好以及各自的暑假计划。 【31题详解】 根据下句我来自英国。说明此处应是询问汤姆来自哪里，选项B“你来自哪里？” 根据下句我经常踢足球和读书。说明此处应是询问做的事情，选项D“你在周末做什么？” 根据上句你喜欢中国食物吗？说明此处应是回答Yes或No，选项E“是的。我喜欢面条和饺子。” 根据下句我打算去青岛看海。说明此处应是询问计划，选项C“你打算做什么？” 根据上句你呢，汤姆？说明此处应是回答假期计划做的事情，选项A“我打算学功夫。” 【32题详解】 根据“I’m from the UK.”可知汤姆的国籍是英国。 根据“I often play football and read books.”可知汤姆的周末活动是踢足球和读书。 根据“I like noodles and jiaozi.”可知汤姆喜欢的中国食物是面条和饺子。 Janny正在参加“劳动小达人”评选录制呢！读一读她的介绍，完成下面各题。 I’m Jenny. I’m ten years old. I often do chores with my family. We’ re very happy. My dad and mum think (认为) I’m a good girl. I can do lots of chores. I’m watering the flowers now. After lunch, I’m going to sweep the floor and wash the dishes. I’m busy (忙碌) at weekends. I often wash clothes. Sometimes I make the bed, but I can’t do it well. My dad often helps me. This is me. I’m a whiz at chores. Do you like me? Let’s do chores together. 33. 给Jenny的家务劳动按时间分分类，将图片前的字母代号填入相应方框内。 A. B. C. D. E. 34. 阅读短文，选择正确的答案，将选项前的字母代号填到括号内。 (1) How old is Jenny? （ ） A. Eleven. B. Ten. C. Two. (2) The underlined (画线的) words “a whiz at chores” mean (意思是) ______. （ ） A. 学习达人 B. 运动达人 C. 劳动达人 (3) Jenny is a ______ girl. （ ） A. good B. lazy (懒惰的) C. tall 35. 根据你自己的实际情况回答问题。(不会写的单词可以从其他题目中找答案奥) (1) Do you often do chores at home? ____________________________________ (2) What chores can you do? ____________________________________ 【答案】33. 34. ①. B ②. C ③. A 35. ①. Yes, I do. (答案不唯一) ②. I can wash the dishes and sweep the floor. (答案不唯一) 【解析】 【导语】本文是介绍珍妮做家务。 【33题详解】 根据“I’m watering the flowers now. After lunch, I’m going to sweep the floor and wash the dishes. I’m busy (忙碌) at weekends. I often wash clothes. Sometimes I make the bed, but I can’t do it well.”可知珍妮周末会洗衣服，有时候周末会收拾床。珍妮现在给花浇水。午餐后，珍妮会扫地和洗碗。 【34题详解】 (1)句意：珍妮多大了？Eleven.十一。Ten.十。Two.二。根据“I’m ten years old.”可知珍妮十岁了。 (2)句意：划线单词“a whiz at chores”的意思是_____。根据文章介绍珍妮做家务可知划线单词意思是劳动达人。 (3)句意：珍妮是一个_____女孩。good好的，lazy懒惰的，tall高的，根据“My dad and mum think (认为) I’m a good girl.”可知珍妮是一个好女孩。 【35题详解】 (1)句意：你经常在家做家务吗？是的，我经常做。Yes, I do. (2)句意：你能做哪些家务？我能洗碗和扫地。I can wash the dishes and sweep the floor. 第1页/共1页 学科网（北京）股份有限公司 $小学四年级英语听力测试现在开始。第一大题，听录音，根据发音规律选择合适的字母组合，将单词补充完整。One . sale. Two . jeep. Three . may美。For . snow. snow. Five . shell . shell. Six teacher. Seven, watch. watch. Eight good . goat. Nine lock . lock. Ten . B. B. 第二大题，听录音，选出句子中所包含的单词，将其字母代号填入提前括号内。One. i'm washing . clothes. I'm washing . clothes. Two. I live in . new york. I live in new york. Three. they fit . you well. They fit you well. Four, i'm . going to darley . and by ship . i'm going to dari and by ship. Five. what do you . want to eat? What do you want to eat? Six. we're . back, mom. We are back. mom. Seven. the summer . holiday is coming. The summer holiday is coming. Eight, let's go for . a picnic. Let's go for . a picnic. Nine, she's . cleaning . the table. She's cleaning . the table. Ten IT looks . good, can we buy IT? IT looks cool. can we buy IT? 第三大题录音中有十个句子，判断与图片是否相符，答对错。One. he is cleaning . the chair. He is cleaning the chair. too. Hi. i'm tim. I'm from the U. K. Hi, i'm tim. I'm from the U. K. Three . Jenny likes . taking pictures. Jenny likes taking pictures. Four, the . keeper is three . hundred to one. the key pay is three hundred one. Five. I can use the . washing machine. I can use the washing machine. Six, we'd . like some . pear juice, please. We'd like some bread juice, please. Seven. the london . I is famous. the onion is famous. Eight. I want to . eat noodles. I want to eat noodles. Nine, the . toy panda . is nice. The toy panda . is nice. Ten, i'm . going to . sydney in july. I'm going to sydney in july. 第四大题录音中有十组对话，将与对话内容相符的答案圈画出来。One. i'm mike. I'm . from the U. S. A. Nice to meet you. mike. I, mike, i'm from the U. S. A. Nice to meet you, mike. Two. let's do . choice this way. Okay, mom, I can wash shoes. Let's to choose lily. Okay, mom, I can wash shoes. Three. have a . nice weekend. Thank you, miss jang. Have a nice . weekend. Thank you, miss john. Four. excuse me. do you have school bags? Yes, we do this way, please. Excuse me, do you have school bags? Yes, we do this way, please. Five, oh, we all want chinese food, shall we eat out? sure. Let's go. Oh, we all want chinese food, shall we eat out? sure. Let's go. Six, hi, dad, what are you doing? I'm cooking . potatoes. Hi, dad, what are you doing? I'm cooking potatoes. Seven. where do . you live? I live in ottawa. What do you live? I live in on toward. Eight does go a Young. often play basketball. All, no, he doesn't. He often helps in the gym. Does good Young often play basketball? No, he doesn't. He often helps in the gym. Nine, do you like . this car? Sorry. I want to read one. Do you like this car? Sorry, I want to read one. Ten. what are you . going to do that? Amy. i'm going to see the sydney Opera house. What are you going to do that? Amy. i'm going to see the sydney Opera house. 听力部分到此结束，请同学们认真做下面各题。