资源简介 2024-2025学年七年级下学期期末模拟卷 - 南京专用(含解析)注意事项1. 全卷满分120分。考试时间120分钟。试题包含选择题和非选择题。考生答题全部答在答题卡上,答在本试卷上无效。2. 请认真核对监考教师在答题卡上所粘贴条形码的姓名、考试证号是否与本人相符,再将自己的姓名、考试证号用0.5毫米黑色墨水签字笔填写在答题卡及本试卷上。3. 答选择题必须用2 B铅笔将答题卡上对应的答案标号涂黑。如需改动请用橡皮擦干净后,再选涂其他答案。答非选择题必须用0.5毫米黑色墨水签字笔写在答题卡的指定位置,在其他位置答题一律无效 。一、单项选择。(15分)1.________ students enter a college here every year. About ________ of them are from foreign countries.A.Thousands of; five hundreds B.Thousand of; five hundredC.Thousands of; five hundred D.Thousand of; five hundreds2.—I don’t know how to spend my weekend.—Why not ________ around Jinji Lake Our city is worth ________.A.ride; visit B.to ride; visiting C.riding; to visit D.ride; a visit3.If it ________ tomorrow, we’ll have a picnic in the park.A.Isn’t rain B.doesn’t rain C.won’t rain D.isn’t raining4.The movie is ________ interesting ________ I want to watch it again.A.so; that B.such; that C.too; to D.enough; to5.Our teacher encourages us ________ zongzi at home during ________ Dragon Boat Festival to experience the joy of traditional handicrafts.A.to make;/ B.make;the C.make;a D.to make;the6.Grandma Wang ________ home-grown vegetables to neighbors. She always says sharing makes everyone happy.A.takes in B.holds up C.gives away D.deals with7.The shop near my home sells ________ clothes at a very good price.A.child and woman’s B.children’s and women’sC.children and women’s D.children’s and women8.The forest comes ________ when birds start to sing.A.live B.living C.lively D.alive9.— ________ I come back before five o’clock — No, you ________. But you ________ be back later than seven o’clock.A.Must; needn’t; needn’t B.May; mustn’t; can’tC.Can; can’t; can’t D.Must; needn’t; can’t10.—Are they watching the girls ________ —Yes. And they watch the girls ________ everyday.A.dance; practice to dance B.dancing; practice dancingC.to dance; practice dancing D.dancing; practice to dance11.China gives plenty of food to children in Pakistan (巴基斯坦). ______ kind country China is!A.What B.How C.What a D.How a12.The lion is one of ________ animals in the forest.A.the most powerful B.more powerfulC.powerful D.less powerful13.After watching the 2024 Paris Olympics, we all feel ________ the athletes of our country.A.proud of B.proud in C.pride of D.pride in14.—Which of the pens will you take —I’ll take ________. One is for my son and the other is for my daughter.A.both B.all C.none D.either15.—Excuse me. Is the museum open every day —________. It’s only open from Monday to Friday.A.Yes, of course. B.That’s all right. C.I’m not sure. D.I’m afraid not.二、完形填空(10分)阅读下面短文,从各小题所给的四个选项中选出最佳选项。My parents used to tell me how important school was for me, but I didn’t think so. I paid little attention. But one thing let me finally 1______what my parents meant.One day, when I walked past a mobile phone store, I saw it was hiring (雇用) new workers! I went into the shop and 2______the job. The manager looked at me for a few 3______from head to foot. “Do you have a high school diploma (文凭) ” He said, “Or do you have any 4______ experience ” I felt so ashamed (羞愧的) and I just turned 5______ and left.I could not fall asleep that night, and I thought a lot about my 6 ______. “I must go to school to continue my study 7 ______I can’t do anything without a good education, ”I said to myself silently.Everything looked the same when I went back to the store years 8______: the same people and the same design. However, now I felt more confident (自信的). The manager told me they needed 9______workers. I showed my diploma to the manager. He looked at it and said: “Great! You are in. ”Education helps you have a bright future. Now I am not worried about my future because I’m still 10______in my spare time.16.A.realize B.invent C.forget D.change17.A.gave up B.looked after C.asked for D.dug in18.A.months B.hours C.days D.seconds19.A.learning B.life C.teaching D.work20.A.up B.around C.down D.over21.A.parents B.friends C.future D.study22.A.so B.but C.and D.because23.A.ago B.later C.before D.after24.A.true B.new C.rich D.main25.A.working B.driving C.running D.learning三、阅读理解(40分)(A)From mutton, fish and chicken to cabbage and potatoes, almost all foods except fruit can be barbecued (烧烤) across China. These days, Zibo’s special barbecue has become a must-try of the city. In February, some university students went to the city in Shandong Province to try barbecue. They took videos of themselves enjoying the food and posted them online. Since then, a lot of students from across the country have started to visit Zibo to try its famous barbecue in groups. After enjoying the barbecue, they also set out to see Zibo’s places of interest.What makes the Zibo barbecue special The foods are 70~80 percent cooked and then people bring it to the table. Diners (就餐者) can finish cooking it on their own stoves (火炉) and make their DIY food according to personal taste. They are served with pancakes (煎饼), scallions (大葱) and dressing (调料) so that they can eat in much the same way Peking Duck is eaten.The city has opened 21 new bus lines to take visitors to barbecue restaurants. To make more people come, the city has made a rule: visitors between the age of 18 and 35 can get a discount in some hotels. The city also has a barbecue festival around the May Day holiday. People can visit 10 scenic spots (景点) in the city for free with their train tickets if their final destination (终点) is Zibo.26.According to to Paragraph 1, what food can’t be barbecued across China A.Watermelon. B.Potatoes. C.Fish. D.Mutton.27.Why do lots of students start to visit Zibo A.To make their DIY food. B.To take videos of the food.C.To visit Zibo’s places of interest. D.To try its famous barbecue.28.What makes the Zibo barbecue special A.All foods can be barbecued in Zibo.B.People can prepare (准备) their own barbecues.C.People can get good service.D.All foods are very fresh.29.What do the city do to make more people come to Zibo A.Visitors at the age of 20 can live in some hotels for free.B.Visitors can take new bus lines to barbecue restaurants.C.Visitors can enjoy 21 scenic spots for free if their final destination is Zibo.D.Visitors can get a discount on May Day holiday.30.What’s the main idea of the passage A.What makes the Zibo barbecue special. B.What food can be barbecued in Zibo.C.Why the Zibo barbecue is popular. D.What makes more people visit Zibo(B)Do you ever see a bird fly into a building Now, some students in Shenzhen are working to help the birds and learn more about this problem.In March, they made a team to study bird collisions (鸟撞). “Every morning, we walk around buildings with big glass before 9 a. m. That is the high time for bird activity,” Feng Yongyin, 14, said. If they see a bird hit a building, they will take photos of the bird and the place around it. Then, they put the photos onto an app called Biotracks. Scientists can use them to do more study.The students’ careful bird-watching also make the school think about moving the basketball court. That’s because it is a place with many plants and birds. “Once we found a bird’s nest on the floor and put it back. We also set up a camera (摄像头),” says 14-year-old Lan Zijia. Using the camera, they see that many students go into the place to get their balls. “We told the school about this, and the school placed a line to protect the plants and birds. We might have to do more things in the future.” Lan said.Since March, the team has done 416 bird-watching studies, found five bird collisions and saved one bird.31.Paragraph 2 mainly talks about ________.A.how the students helped the birds B.why the birds were in need of helpC.what kind of birds the students found D.how much scientists knew about birds32.The underlined word “them” refers to ________.A.pictures of buildings B.apps called BiotracksC.photos of bird collisions D.problems of the study33.The school thinks about moving the basketball court to ________.A.build more birds’ nests B.help plants and birds live betterC.make students friendly D.stop basketball players getting balls34.Which words can best describe the students A.Quiet and helpful. B.Friendly and shy.C.Smart and gifted. D.Kind and careful.35.What would be the best title for the passage A.Keeping Birds Safe. B.Setting up A Camera.C.Watching The Animals. D.Saving Neighborhood.(C)Outside Camelot, there is snow on the fields. Inside the castle, Arthur’s wife and Sir Lancelot hate each other. Arthur is not well. Again and again, he says, I need Merlin’s help. Where is he Sir Gawaine, one of the Knights of the Round Table, goes to look for Merlin. He travels for many, many days. One day he is washing himself in a fountain. From nowhere, a lady in red comes towards him. It is Lady Vivien and she has men with her.“Sorceress! Where is Merlin ” shouts Sir Gawaine.Lady Vivien laughs. “Under the stones!” she replies.Then she hits Sir Gawaine with her wand. He becomes a dwarf with an ugly face. Lady Vivien’s men all laugh at Sir Gawaine.Sir Gawaine cannot believe it. He runs away through the forest. Soon, he finds a castle. The lady of the castle is kind and looks after him. He stays for three years, but he is unhappy. He is still an ugly dwarf. One day, he sees a golden bird. It flies away, but he follows it. They travel far together, and the bird always waits for Sir Gawaine. At last, the golden bird takes Sir Gawaine to Merlin.Lady Vivien’s magic is strong. Merlin is still sleeping. But every six years, he wakes up for one hour. Merlin opens his eyes. Find “the Holy Grail,” he tells Sir Gawaine, “ But first, find a baby called Galahad. This child can find the Holy Grail.”Then, slowly, Merlin falls asleep again.Sir Gawaine leaves Merlin and follows the golden bird. It takes him to the land of Nymue, the Lady of the Lake. Nymue listens to Sir Gawaine’s story. She feels sorry for him and she stops Lady Vivien’s magic. Sir Gawaine becomes a man again.He leaves Nymue and meets Sir Bors. Together they follow the golden bird and it takes them to the castle of Lady Elaine. There, they find Sir Lavaine, Lady Elaine’s brother. But Lady Elaine is close to death. Sir Lavaine takes Sir Gawaine and Sir Bors to see her. Lady Elaine has a son. His father is Sir Lancelot and his name is Galahad.“Please take my son and look after him,” Lady Elaine says to Sir Bors.A few days later, Lady Elaine dies.Sir Gawaine’s search is over. But a new one is beginning—the search to find the Holy Grail.36.Where is Merlin A.Inside a castle. B.In the forest.C.On the fields. D.Under the stones.37.What is Sir Gawaine’s new search A.To find Merlin. B.To find the Holy Grail.C.To find Sir Lavaine. D.To find Lady Elaine.38.How often does Merlin wake up A.Every one year. B.Every one hour.C.Every six months. D.Every six years.39.What is the correct order of the story ①the golden bird takes them to the castle of Lady Elaine②Sir Gawaine goes to look for Merlin③Lady Elaine dies④Sir Gawaine becomes a dwarfA.②④①③ B.②④③① C.②①③④ D.①③②④40.How does Sir Gawaine find Merlin A.He asks Lady Vivien. B.He follows a golden bird.C.He calls Merlin’s name. D.He finds him alone.(D)One day, three little ants (蚂蚁)—-Frank, Albert, and Tommy want to go out to look for their luck. They say goodbye to their mother.Frank, the oldest, finds a nice place on a hill to build his house. He builds his out of pieces of straw(稻草)on the ground. His house goes up quickly, in just one day, Frank lives in it and is happy.Albert is the second oldest. He also wants to make a house but he hopes his house is a little sturdier than Frank’s. He collects sticks(树枝), ties them all together with ropes (绳子), and cuts windows and doors. It takes him three days to build his house, and he is happy.The youngest brother is Tommy. Tommy has a good idea. He collects strong pieces of wood, cuts each one carefully, and puts the pieces together. He buys tiles(瓷砖)for the roof. His house is the talk of the neighborhood(附近地区), and he finishes in two months.One morning, Billy, the anteater, is walking around the neighborhood. He sees the three new houses. Billy smells ants, so he stops to see if he can get a few to snack on. Frank’s house is easy to push(推)over because it is made of straw. Unluckily for Billy, Frank runs out the back door to Albert’s. Albert’s house is a little difficult to knock over, but Billy does it. Albert and Frank run away again, and Billy only gets sticks in his nose. At last, he comes to the last house. He sucks(吸吮)as hard as he can, but the three ants do not come out the front door. Instead, there is hot sauce in his nose!Bad Tommy! Billy’s nose is on fire. He runs away and never wants to eat the brothers again.41.How long does it take Albert to finish building his house A.One day. B.Three days. C.One month. D.Two months.42.What does the underlined word “sturdier” in the passage mean A.Stronger. B.Dirtier. C.Darker. D. Cleaner.43.Which is the right order for Billy a.He gets sticks in his nose.b.He runs away with his nose on fire.c.He walks around and smells the ants.d.He pushes over Frank’s house easily.A.c-d-a-b B.c-a-b-d C.a-b-d-c D.a-d-c-b44.Which of the following is TRUE A.All the ants’ houses are made of straw and sticks.B.Both Albert and Frank are happy after building their houses.C.Billy wants to play tricks on the three ants when he smells them.D.It is very easy for the anteater to knock over the youngest ant’s house.45.What do you think of Tommy A.Pretty and kind. B.Quick and strong.C.Careful and clever. D.Warm and healthy.四、单词拼写(10分)46.A father is a ________ (珍宝), a brother is a comfort, but a friend is both.47.Weather ________ (条件) are good for sailing today.48.________ (突然), the rain started pouring down just after we got home.49.The tennis match is an important event in the sporting ______ (日历).50.________ (在……之中) the traditional handicrafts, embroidery (刺绣) is my favourite.51.As teenagers, we should promote (发扬) the s________ of Lei Feng and help other people.52.After getting older and older, he moved to a remote c________.53.She likes to watch the sunlight shining t________ the window in her bedroom.54.The girl is so l________ to find her lost school ID card when she is cleaning the classroom.55.The boys have a great time at the beach. Look! They are writing their names on the s________ with sticks!五、任务型阅读,阅读短文,根据短文内容回答问题。(56-57两分一个,58-59三分一个,10分)Jane, a 12-year-old exchange student in Hunan, never imagined a school festival could reach her so much about China. “At first, I thought the Dragon Boat Festival was just about eating zongzi,” she said. “But now, I see it’s a bridge between history and modern life!” A Day of Immersive ExperiencesDuring the festival, Jane joined two activities:Sachets for Health (香囊)In the art room, Jane filled cloth bags with mugwort (艾草) and lavender (薰衣草). “These guard against illness,” Ms. Li explained. Jane also learned that classroom decorations of mugwort and calamus (菖蒲) symbolized ancient Chinese wisdom to ward off sickness.Zongzi TastingIn the school kitchen, Jane learned to wrap zongzi by stuffing glutinous ice and pork into bamboo leaves. As she folded the leaves, her teacher explained: “Northern zongzi are sweet with red bean paste because northern China grows more beans, and sweet fillings last longer in cold winters.” Ms. Li added, “Southern zongzi use salty pork because the warm climate supports pig farming. Soy sauce and spices balance the saltiness.” Jane realized the difference wasn’t random—it was shaped by China’s geography and resources! Sharing China’s StoryIn a video call, Jane showed her family zongzi: “Sweet red bean symbolizes happiness, while salty pork represents prosperity.” She also explained dragon boat races united people like families. Jane’s PromiseBoarding her flight home, Jane whispered: “Zongzi aren’t just rice dumplings—they’re symbols of Chinese culture. I’ll share the history and culture behind them with my friends!”56.What does Jane think of the Dragon Boat Festival now _______________________________________________________57.Where did Jane fill cloth bags with mugwort and lavender _______________________________________________________58.Why are northern zongzi sweet with red bean paste _______________________________________________________59.Would you like to join the Dragon Boat Festival activities Why _______________________________________________________六、短文填空(10分)阅读短文,在空白处填入一个适当的单词或用括号里所给词的正确形式填空,使短文通顺、连贯。The Spring Festival, an important Chinese holiday, was 60_________(success) added to the Representative List of the Intangible Cultural Heritage of Humanity (人类非物质文化遗产代表作名录) by UNESCO on December the 61_________(four), 2024. This list is for important cultural things that people should not forget. Among all the countries, China has the 62_________(many) items (项目) on this list, 44 in all.The Spring Festival is one of the most important traditional festivals in China. It is celebrated on the first day of the first month according to the Chinese calendar. It usually falls between late January 63_________early February. Millions of people go back home for 64_________festival. Before the Spring Festival, people need 65_________(make) a lot of preparations. They clean their houses to clear away bad luck from 66_________(their), put up Spring Festival couplets (春联) 67_________the doors or walls, and get ready for eating a big dinner at night. When the new year 68_________(come), people visit friends’ homes and say “Happy New Year” to everyone. Food is also important. Families prepare dishes like dumplings, sticky rice cakes, fried meatballs and braised fish. Each dish carries 69_________(wish) for wealth, happiness and success.UNESCO wants people all over the world to know about this festival and have a better understanding of Chinese cultures.七、书面表达(25分)假如你是Jimmy,你在海报上看到学生中心在招募志愿者的消息。每逢周末,你也想去帮助有需要的人,因为这既能锻炼自己,又能回报社会。请写一封信,申请一份你喜欢的志愿者工作。内容包括:1.你想去什么地方做志愿,志愿工作的内容是什么 2.你的情况年龄,兴趣爱好,性格等以及你能胜任这份工作的原因(两点及以上)。3.表达想要成为志愿者的愿望。作文要求:1.不得在作文中出现学校的真实名称和学生的真实姓名。2.语句连贯,词数80个左右。Dear sir or madam,_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________一、单项选择(15分)1. 答案:C解析:- Thousands of 表示“成千上万的”,为固定搭配,排除B、D。- hundred/thousand/million 前有具体数字时用单数,如“five hundred”,故选C。2. 答案:D解析:- Why not do sth. 为固定句型,后接动词原形,排除B、C。- be worth a visit 或 be worth visiting 表示“值得参观”,故选D。3. 答案:B解析:- if引导的条件状语从句遵循“主将从现”原则,主句用将来时,从句用一般现在时。- rain 为实义动词,否定需用助动词 doesn’t,故选B。4. 答案:A解析:- so + 形容词/副词 + that从句 表示“如此……以至于”,such + 名词 + that从句。- 此处“interesting”为形容词,用 so...that,故选A。5. 答案:D解析:- encourage sb. to do sth. 为固定搭配,排除B、C。- Dragon Boat Festival 为特定节日,前需加定冠词 the,故选D。6. 答案:C解析:- take in 吸收;hold up 举起;give away 赠送;deal with 处理。- 句意“王奶奶把自家种的蔬菜送给邻居”,故选C。7. 答案:B解析:- 复数名词所有格:children’s(孩子们的)和 women’s(女人们的),表示“儿童和女士的服装”,故选B。8. 答案:D解析:- come alive 为固定短语,意为“活跃起来”,故选D。9. 答案:D解析:- Must开头的疑问句,否定回答用 needn’t,排除B、C。- 第二空“不能晚于七点”用 can’t,表示禁止,故选D。10. 答案:B解析:- watch sb. doing sth. 看见某人正在做某事(动作进行中);watch sb. do sth. 看见某人做某事(动作全过程)。- 第一空“正在跳舞”用 dancing,第二空“每天练习跳舞”用 practice dancing(practice后接动名词),故选B。11. 答案:C解析:- 感叹句结构:What + a/an + 形容词 + 可数名词单数 + 主语 + 谓语!- “country”为可数名词单数,用 What a,故选C。12. 答案:A解析:- one of the + 形容词最高级 + 名词复数 表示“最……之一”,故选A。13. 答案:A解析:- feel proud of 为固定短语,意为“为……感到骄傲”,故选A。14. 答案:A解析:- both 表示“两者都”;all(三者及以上);none(三者及以上都不);either(两者中任意一个)。- 由“one...the other...”可知是两者,故选A。15. 答案:D解析:- 答句“只在周一到周五开放”,说明“不是每天开放”,用 I’m afraid not 表示委婉否定,故选D。二、完形填空(10分)16. 答案:A解析:- 句意“一件事让我最终意识到父母的意思”,realize 意为“意识到”,故选A。17. 答案:C解析:- ask for the job 意为“申请工作”,符合语境,故选C。18. 答案:D解析:- “经理从头到脚看了我几秒钟”,seconds 符合逻辑,故选D。19. 答案:D解析:- 询问“工作经验”,用 work experience,故选D。20. 答案:B解析:- turn around 意为“转身”,符合“羞愧离开”的动作,故选B。21. 答案:C解析:- 深夜思考“未来”,用 future,故选C。22. 答案:D解析:- 因果关系“我必须上学,因为没有好的教育我什么都做不了”,用 because,故选D。23. 答案:B解析:- years later 意为“多年后”,符合时间顺序,故选B。24. 答案:B解析:- 商店需要“新员工”,用 new,故选B。25. 答案:D解析:- 句意“现在我不担心未来,因为我仍在业余时间学习”,用 learning,故选D。三、阅读理解(40分)(A)26. 答案:A解析:- 第一段首句“almost all foods except fruit”,西瓜属于水果,故选A。27. 答案:D解析:- 第一段明确提到“students...visit Zibo to try its famous barbecue”,故选D。28. 答案:B解析:- 第二段指出“diners can finish cooking it on their own stoves”,即顾客可自己完成烹饪,故选B。29. 答案:B解析:- 第三段首句“opened 21 new bus lines to take visitors to barbecue restaurants”,对应B选项,其他选项与原文不符,故选B。30. 答案:C解析:- 全文围绕淄博烧烤流行的原因(独特吃法、政府推广等)展开,故选C。(B)31. 答案:A解析:- 第二段详细描述学生观察鸟撞、拍照上传APP的过程,即“如何帮助鸟类”,故选A。32. 答案:C解析:- “them”指代前文“photos of the bird and the place”,即鸟撞事件的照片,故选C。33. 答案:B解析:- 第三段提到“学校考虑移动篮球场”是因为该区域有植物和鸟巢,目的是保护动植物,故选B。34. 答案:D解析:- 学生细心观察鸟类并积极保护它们,体现“善良(kind)和细心(careful)”,故选D。35. 答案:A解析:- 全文围绕学生研究鸟撞、保护鸟类展开,核心是“保障鸟类安全”,故选A。(C)36. 答案:D解析:- 文中Lady Vivien回答“Under the stones”,故选D。37. 答案:B解析:- 文末提到“new search—the search to find the Holy Grail”,故选B。38. 答案:D解析:- 文中明确“every six years, he wakes up for one hour”,故选D。39. 答案:A解析:- 事件顺序:②寻找梅林→④变成侏儒→①金鸟带到城堡→③Elaine夫人去世,故选A。40. 答案:B解析:- 文中“follows the golden bird to find Merlin”,故选B。(D)41. 答案:B解析:- 第三段明确“it takes him three days”,故选B。42. 答案:A解析:- 由“用树枝和绳子搭建”可知Albert的房子比Frank的稻草房“更坚固”,sturdier=stronger,故选A。43. 答案:A解析:- 顺序:c(闻到蚂蚁)→d(推倒稻草房)→a(鼻子里进树枝)→b(鼻子着火逃跑),故选A。44. 答案:B解析:- 第二段“Frank lives in it and is happy”,第三段“Albert...is happy”,故选B。其他选项与原文矛盾。45. 答案:C解析:- Tommy用木材精心建造房屋,并设计防御措施(热酱),体现“细心(careful)和聪明(clever)”,故选C。四、单词拼写(10分)46. treasure47. conditions48. Suddenly49. calendar50. Among51. spirit52. countryside53. through54. lucky55. sand五、任务型阅读(10分)56. She thinks it’s a bridge between history and modern life.解析:直接提取文中Jane的评价。57. In the art room.解析:活动“Sachets for Health”对应的地点。58. Because northern China grows more beans, and sweet fillings last longer in cold winters.解析:文中老师解释北方粽子甜馅的原因。59. 示例:Yes, I would like to. Because I can learn about Chinese traditional culture and have fun.解析:开放性问题,合理即可,需结合文化体验或趣味作答。六、短文填空(10分)60. successfully(副词修饰动词“added”)61. fourth(序数词表示日期)62. most(“最多”用最高级)63. and(between...and...固定搭配)64. the(特指春节,用定冠词)65. to make(need to do sth.)66. them(介词后用宾格)67. on(“在门上/墙上”用介词on)es(一般现在时,主语第三人称单数)69. wishes(wish为可数名词,用复数)七、书面表达(25分)示例范文:Dear sir or madam,I’m Jimmy, a 13-year-old student. I’d like to work as a volunteer at the Children’s Hospital on weekends. My job would be to play games with sick kids and read stories to them.I’m outgoing and patient, and I love spending time with children. I can sing and draw, which can help cheer them up. Also, I’ve taken care of my little sister at home, so I know how to get along with kids.I really hope to become a volunteer because I want to make a difference in their lives. Thank you for considering my application.Sincerely,Jimmy 展开更多...... 收起↑ 资源列表 期末培优测试卷(南京专用)-七年级下册英语译林版(2024).docx 答案解析.docx