1、阶段综合测试(四)(范围:九年级全一册时间:120分钟分值:150分)部 分一二三四总分总分人核分人得 分_第一部分听力(共五大题,满分30分)_.关键词语选择(共5小题;每小题1分,满分5分) 你将听到五个句子。请在每小题所给的A、B、C三个选项中选出一个你所听到的单词或短语。每个句子读两遍。1.A.watching B.walkingC.washing2.A.scary B.tiredC.scared 3.A.driedB.tried C.cried4.A.available B.reusable C.valuable5.A.washed away B.put away C.went aw
2、ay .短对话理解(共10小题;每小题1分,满分10分)你将听到十段对话,每段对话后有一个小题。请在每小题所给的A、B、C三个选项中选出一个最佳选项。每段对话读两遍。6.What is Julia going to do?ABC7.Who did David visit Disneyland with?ABC8.What are the speakers talking about?ABC9.Where are the speakers likely to go?ABC10.How long is the river?ABC11.Whats Linda going to do this wee
3、kend?A.See a film. B.Play tennis. C.Go to a concert.12.What kind of music does Jane like best?A.Rock music. B.Jazz music. C.Pop music.13.Why couldnt the boy hear clearly?A.Because the room is noisy. B.Because there is something wrong with his ears.C.Because the girl speaks too quickly.14.What did th
4、e woman do yesterday evening?A.She ate out with a friend.B.She watched TV at home. C.She watched a football match.15.Whose bag is it?A.Millies. B.Sandys. C.Marys.长对话理解(共5小题;每小题1分,满分5分)你将听到两段对话,每段对话后有几个小题。请在每小题所给的A、B、C三个选项中选出一个最佳选项。每段对话读两遍。听下面一段对话,回答第16至17小题。16.How soon will Maria and Michael graduat
5、e from school?A.In three days. B.In a week. C.In a month.17.What is Michael planning to prepare for his classmates? A.A special gift.B.One or two books.C.A photo of his.听下面一段对话,回答第18至20小题。18.What size coffee does the woman want?A.Small. B.Medium. C. Large.19.What kind of food does the man suggest?A.
6、Cookies, toast and sandwiches.B.Cookies, toast and pasta.C.Salad, toast and pasta.20.What does the woman want with the toast?A.Sugar. B.Peanuts. C.Honey.短文理解(共5小题;每小题1分,满分5分)你将听到一篇短文,短文后有五个小题。请根据短文内容,在每小题所给的A、B、C三个选项中选出一个最佳选项。短文读两遍。21.Who did the lawyer get a doctor for?A.His brother. B.His mother.
7、C.His wife. 22.What was the doctor worried about?A.He didnt get enough medicine. B.The lawyer didnt want to pay him. C.He couldnt save the patients life.23.What did the lawyer promise the doctor?A.He would pay the doctor 500 dollars. B.He would invite the doctor to have a drink. C.He would get some
8、medicine from the shop.24.What did the doctor find?A.The patient was dead. B.The patient was seriously ill. C.There were no patients at all.25.What do you think of the lawyer?A.Friendly. B.Warm-hearted. C.Dishonest.信息转换(共5小题;每小题1分,满分5分)你将听到一篇短文。请根据短文内容,写出下面表格中所缺的单词,每空仅填一词。短文读两遍。My First JobWhenI got
9、 my first job on 26 5th.Work placeAt a 27 restaurant.Work time28 days a week, from 9:00 a.m. to 6:00 p.m.Things to doTake customers order and serve the 29.Want to doBuy an electric 30 for myself._第二部分英语知识运用(共两大题,满分45分)_.单项填空(共15小题;每小题1分,满分15分) 从每小题所给的A、B、C、D四个选项中选出一个可以填入空白处的最佳选项。31.Andy, you seem ve
10、ry happy.? I won the first prize in the dancing competition.A.Pardon meB.So whatC.Guess whatD.Who cares32.I gave the tickets to all the students the ones who had already taken them. A.besidesB.withC.exceptD.among 33.Cindy, you have made in your math this term. Well done!A.choicesB.mistakesC.decision
11、sD.progress34.I tried several jackets on, but of them looked good.A.bothB.eitherC.neitherD.none35.I found the way to the cinema easily because my brother gave me very directions.A.luckyB.privateC.clearD.common36.Did you see the accident? No. , I knew about it from Tom.A.ActuallyB.SuddenlyC.UsuallyD.
12、Immediately37.She was happy to get a gift from her friend, it was only a card.A.ifB.unlessC.thoughD.because38.Who is the girl under the tree?She be Toms sister. But its too far, Im not sure. A.mayB.cantC.mustD.shouldnt39.Smoking is bad for health,people who smoke in public will be .A.hurtB.praisedC.
13、punishedD.admired40.I cant remember what my hometown looked like. It a lot.A.will changeB.has changedC.is changingD.was changing41.Sandy, youd better your notes before you do your homework every evening.OK, I will, Mom.A.look throughB.look downC.look afterD.look for42.At present, one of the best way
14、s to study is working in groups.More chances to students to learn from each other.A.offerB.are offeredC.have offeredD.are offering43.The teacher always tells us we have learnt will be useful in the future.A.whyB.howC.whatD.when44.Its hard to believe that they solved the problem so quickly. , they ar
15、e a group of children.A.Above allB.After allC.First of allD.In all45. Its not the end of the world. Look on the bright side.Thanks for your encouragement.A.What a pity!B.Dont mention it. C.My pleasure. D.Come on!.完形填空(共20小题;每小题1.5分,满分30分)阅读下列短文, 从每小题所给的A、B、C、D四个选项中选出一个最佳选项。AFor Pineda, it was a long
16、 way to succeed.His story began in El Salvador, where he was born with something wrong with his 46. He had great difficulty in speaking. At the age of 2, his familys house burned down. Pineda was hurt 47, and his legs needed to be cut. His mother died when he was 8, and he spent years on the streets
17、 before he was 48 by an orphanage(孤儿院).Finally, at the orphanage, Pineda began to 49 support and encouragement. He taught himself to play the guitar. He began his performance with other 50. Then the group went to Chicago, where Pineda, then 18, 51 the attention of many people, who wondered what they
18、 could do to help him.A hospital offered him 52 medical care. A rich man agreed to pay for Pinedas tickets to and from El Salvador.When he was in the hospital, Pineda began writing music, and wondered 53 he might be able to record his wn lbum(音乐专辑). Soon with the help of a musician, The Sound of Gra
19、titude(感激) was born. On October 15th, Pineda went to a Chicago club to 54 his new songs to strangers and the friends who had helped him come so far.It was 55 that Pineda had come into such a good luck, after having so many years of hardship(艰难). “We have a saying in El Salvador, Suffer(受难) first, th
20、en enjoy. I guess thats whats happening,” he said.46.A.faceB.noseC.mouthD.neck47.A.politelyB.wiselyC.simplyD.seriously48.A.taken outB.taken inC.taken awayD.taken off49.A.receiveB.refuseC.considerD.suggest50.A.writersB.teachersC.musiciansD.bosses51.A.influencedB.caughtC.boughtD.separated52.A.freeB.ex
21、pensiveC.badD.terrible53.A.unlessB.untilC.ifD.before54.A.learnB.leadC.findD.play55.A.unluckyB.amazingC.usualD.sorryBIf a friend helps you a lot, what do you do in return? You could just say “thanks”, or you could write a(n) 56 note which is more polite. But most people dont do this. Why dont people
22、like 57 thank-you notes? And how do most people react(反应) when they58 one? Kumar from University of Texas made a study of it. He asked each student to write a thank-you note to another person59 email. Then, he questioned both the writer and the recipient(接受者) about the note and how it made them feel
23、. He found there were several60 for people not to write thank-you notes. They feel like they have to think too much about it. They 61 what to say and how to say it. They also overthink the “correctness” of what they are writing. But people 62 like receiving thank-you notes. “As recipients, they pay
24、attention to the63 of the thank,” Kumar says. “Besides, they(recipients) felt positive(积极的) 64 they were receiving these expressions. If people knew that writing a thank-you note could have such a big influence on the recipient, they would do it more65,” Kumar adds.Kumar says this study told us that
25、 “simple, small changes in our everyday lives can make a big difference in how we treat other people and how we feel.”56.A.adviceB.thank-youC.instructionD.sale57.A.readingB.copyingC.findingD.sending58.A.writeB.hearC.receiveD.offer59.A.byB.inC.atD.for60.A.formsB.reasonsC.skillsD.uses61.A.care for B.t
26、ake downC.worry aboutD.make up62.A.easilyB.recentlyC.finallyD.really63.A.warmthB.timeC.resultD.spirit64.A.beforeB.whenC.ifD.though65.A.seldomB.hardlyC.oftenD.usually_第三部分阅读理解(共两大题,满分45分)_.补全对话(共5小题;每小题1分,满分5分)根据对话内容, 从方框内的选项中选出能填入空白处的最佳选项, 其中有两个为多余选项。A: Hi, Im Tom. Im new in town.B: Hi, Im Mary. Wel
27、come to the neighborhood. 66.A: Its fantastic, but I still dont really know my way around. 67.B: Well, there is a market near here. The goods there are great and the people are very friendly. A: Great. 68.B: Sure. Go down the street, and turn right at the first crossing. You can find it on your left
28、, a theater across from it. A: By the way, what are you going to do this weekend?B: Nothing much.A: I love hiking. 69.B: Good idea. Doing sports is good for health. And there is a good place for hiking named Meiling, but it is a little far from here.A: 70.B: Lets ride our bikes.A: Its a deal. At 7 a
29、.m. this weekend, at the gate of our neighborhood. See you then. B: See you.A.Which do you think is the best way to get there?B.Can you show me how to get there?C.How do you like it so far?D.Would you like to go hiking with me this weekend?E.Could you tell me where I can see the latest movies?F.I li
30、ke playing sports.G.Could you tell me where I can get some groceries?.阅读理解(共20小题;每小题2分,满分40分)阅读下列短文, 从每小题所给的A、B、C、D四个选项中选出一个最佳选项。AWhen you are waiting on a phone call with a pen in your hand or feeling bored on a train, you may probably doodle(乱涂). Graphology Consultant(笔迹咨询师) Tracey has studied the
31、 most common doodles and their meaning in a new piece of research. Here she shares the psychology(心理学) behind those doodles.CirclesDrawing round shapes expresses the need to love and be loved.SquaresIf youre drawing squares, then this shows a practical(实事求是的) nature. TrianglesIf youre drawing triang
32、les, this shows you have an energetic and powerful nature.FlowersIf your flower has a large round centre, this expresses confidence and the enjoyment of a good social life.HeartsHearts have always been symbols of love. It clearly expresses that you pay much attention to feelings, but easily get sad
33、as well.Coils(线圈)Drawing these complicated(复杂的) shapes means the doodlers have a colorful life and the ability of creativity. What unusual doodles they are!WebsThis kind of doodles may be unusual and complicated, but drawing webs shows special personalities that are good at leading people to a speci
34、al situation.BoxesIts not good news for people who draw boxes. Because Tracey believes that while this shows great dreams, it can also be a sign of materialism(物质主义).71.Doodling most probably happens when you are.A.driving a carB.cooking a meal at homeC.having a sleepD.feeling bored on the train 72.
35、The doodles of flowers express that you .A.have an energetic and powerful natureB.are good at leading people to a special situationC.are confident and enjoy a good social lifeD.pay much attention to feelings but easily get sad as well73. are unusual and complicated doodles.A.Coils and websB.Circles
36、and boxesC.Hearts and flowersD.Squares and triangles74.The writer wrote this passage to .A.spend the boring timeB.share the psychology behind doodlesC.make people know each otherD.teach people how to doodleBAt our primary school, I was one of the smartest kids there. I never studied, but always got
37、perfect scores. I thought I was born clever. At least I believed so. I was also a prodigy in music according to myself. I could sing better than almost everyone else in our school. I was pretty sure that once I got to the sixth grade, everyone would be surprised by me. But actually, they werent.When
38、 I arrived at our new class, I couldnt wait to show everyone what I could do. However, there was always someone else who could do them better. My grades began to suffer.More talented girls often sang solo(独唱). I believed I wasnt smart. I believed I wasnt talented. I believed I was a failure. Over th
39、e next two years, I had to work very hard. Every prize for the singing competition was given to me for hard work and effort. Grades were still very low but improving little by little.I havent realized until recently that I really dont have to be the best at everything. I was too hard on myself. In f
40、act, when I did badly in a test, my classmates never laughed at me.No one is perfect. There will probably always be someone better than me at something. Anyway, there are about seven billion people in this world. I will never be the number one at everything, and thats really okay.75.What does “a pro
41、digy” probably mean in English?A.A smart kid.B.A crazy fan.C.A common child.D.A lazy girl.76.When the writer was at the new class, .A.she lost her interest in musicB.she had difficulty in learningC.she surprised everyone in solosD.she got separated from friends77.What happened to the writer during t
42、he two years?A.She won many prizes without any effort.B.She found the best way to become perfect.C.She gave up trying because of the low scores.D.She failed to be perfect though she worked hard.78.Which would be the best title for this passage?A.When I Wasnt PerfectB.My Past Life as a Young GirlC.Ha
43、rd Work Doesnt WorkD.What to Do When Youre Not PerfectCImagination and fantasy(幻想) can play an important role in achieving the things we fear. Children know this very well. Fred Epstein, in his book If Make It to Five, tells a story he heard from one of his friends about Tom, a four-year-old boy wit
44、h a cancer in his back bone. He came through several operations(手术) and a lot of pain by mastering his imagination.Tom loved to play superheroes. Dr. Epstein explained that it was actually a useful way for his young mind to deal with the terrifying and painful life he led.The day before his third tr
45、ip to the operating room, Tom was terribly afraid. “Maybe I could go as Superman,” he whispered to his mom. Hearing this, the mother hesitated(犹豫) for a while. She had avoided buying the expensive costume(戏装), but finally she agreed.The next day Tom appeared as the powerful Superman, showing off thr
46、ough the hospital halls and coolly waving his hand to the people greeting him along the way. And Tom, with the strength of his fantasy, successfully made it through the operation.The power of imagination need not be reserved for children only. We all have the power to use our fantasies to attempt th
47、ings we never thought possible,to go through those things that seem impossible, and to achieve what we never believed we could. Just as Dr. Epstein puts it, “If you can dream it, you can do it.” So, let your imagination run wild, and dare to dream.It doesnt mean that you should dress as a superhero
48、for your next job interview. But next time you are tested in a way that seems impossible, imagine what it would take to overcome it. Become the person you need to become to win over your challenge and do it in your mind first.79.What do we know about Tom?A.He was crazy about magic.B.He was a dishone
49、st boy.C.He was seriously ill. D.He was Dr. Epsteins patient.80.What can be inferred(推断) about Toms mother?A.She was a rich lady. B.She wanted to get Tom through the pain.C.She wanted Tom to be a superhero. D.She refused Toms request.81.When Tom went for the third operation, he.A.appeared to be fear
50、lessB.acted like a superheroC.felt sad and nervousD.argued with his mother82.What is the purpose of the passage?A.To tell us an interesting story. B.To help us make right decisions.C.To advise us to care about children. D.To encourage us to use our imagination.DThank you all for coming on this very
51、special day for every student on this stage. I know how proud you must be. As we have grown over the years, there are many steps and stages we all have gone through. From learning our shapes and colors, to getting our first kiss in middle school, or how we explained to our parents why we skipped sch
52、ool(逃课) because the headmaster called home. As we remember these days, things that weve done will be with us forever. But this is only the start of our journey. To graduate is one more step weve taken in our lives.Now I would like to thank everyone who has helped me get this far. First of all, thank
53、 you to all the teachers. None of us would be here without you always pushing our studying abilities to the fullest. My elder brother Johnson always said, “If anyone is meant to you, Ill take care of it.” My mom, thank you for always believing in me and putting up with me. And last but not least, my
54、 dad, for proving to me that I always need to take responsibility(责任) for my actions and deal with the results. Thank you all! I love you. And I will never fail to be thankful to the people around me.Lastly, I want to give some advice to all my classmates! The end of junior high school is the beginn
55、ing of a new life. Many of us may think, “This is as good as it gets!” But the future holds a bigger plan for all of us. We will make mistakes along the way, but the key is to learn from our mistakes and never give up. So good luck and congratulations to the class of 2016.We did it!83.The passage is
56、 most probably.A.a suggestion letterB.a greeting cardC.a graduation speechD.a letter of congratulations84.What the writer learns from his dad is that.A.knowledge is powerB.one should answer for what he doesC.where there is a will, there is a wayD.a good beginning is half done85.According to the writ
57、er, many students.A.hardly study at schoolB.hate to follow others adviceC.should pay more attention to the futureD.are afraid of dealing with difficulties86.The writer told his classmates that the key to dealing with mistakes is.A.to learn from the mistakes and never give upB.to give up the studyC.n
58、ot to follow others adviceD.not to pay attention to the mistakes87.We can infer from the passage that the writer of the passage is.A.a parentB.a headmasterC.a teacherD.a student阅读下面短文,并用英语回答问题(请注意每小题后面的词数要求)。EA kindergarten teacher decided to let her class play a game. The teacher told each child in
59、 the class to bring along a plastic bag containing a few potatoes. Each potato will be given a name of a person that the child hates, so the number of potatoes that a child will put in his or her plastic bag will depend on the number of people he or she cannot forgive(宽恕).So when the day came, every
60、 child brought some potatoes with the name of the people he or she hated. Some had 2 potatoes; some 3, while some had up to 5 potatoes.The teacher then told the children to carry the potatoes with them wherever they went (even to the toilet) for one week. With days passing by, the children started t
61、o complain because of the unpleasant smell let out by the rotten(腐烂) potatoes they were carrying.Those children who had 5 potatoes really began to feel the weight of the heavy bags. After one week, the children were happy to hear that the teacher had finally ended the game. The teacher asked, “How d
62、id you feel while carrying the potatoes with you for one week?” The children started complaining of the trouble that they had to carry the heavy and smelly potatoes wherever they went.Then the teacher told them the hidden meaning behind the game. The teacher said, “This is exactly the situation when
63、 you carry your hatred(仇恨) for somebody inside your heart. The burden(负担) of hatred will pollute your heart and you will end up carrying an unnecessary burden with you wherever you go. If you cannot tolerate(容忍) the smell of rotten potatoes for just one week, can you imagine what a burden it would b
64、e to have the hatred in your heart for your lifetime? Forgive others and move on with your life.”88.What did the teacher tell each child in the class to bring along?(不超过10个词) 89.Why did the children start to complain with days passing by?(不超过15个词) 90.What is the main idea of the story?(不超过20个词) _第四部
65、分写(共两大题,满分30分)_.单词拼写(共5小题;每小题1分,满分5分)根据首字母及汉语提示, 完成下列单词的拼写, 使句意明确, 语言通顺。91.David showed great c(勇气) during his fight against illness last year. 92.The movie Spiderman:Far From Home(蜘蛛侠:英雄远征) is well w(值得) watching again.93.As soon as he m(提到) the bad news, we all kept silent.94.I want to thank all t
66、he teachers and classmates from the b(底部) of my heart. 95.The farmers in the south of China grow rice in the r(肥沃的) soil.书面表达(共1小题;满分25分)某软件公司为了开发一款适合中学生在课后学习英语的app,邀请你一起参与设计。请根据下文提示,用英语向该公司介绍你的构想。名称Happy English Learning内容英语类的新闻、电影、歌曲、游戏等好处1.便于和同学一起学习;2. 帮助学生扩大词汇量;3. 有利于提高英语听力;4. (自主发挥,至少一点)其他方面(自主
67、发挥,至少一点)注意事项 1.词数:90左右。开头已给出,不计入总词数;2.文中不得出现真实的人名、校名、地名等。Here is my design for the new app. 【参考答案】听力材料 .关键词语选择你将听到五个句子。请在每小题所给的A、B、C三个选项中选出一个你所听到的单词或短语。每个句子读两遍。1.Millions of people are watching the live show on TV.2.I think most people are scared of snakes. 3.The teachers in junior high school tried
68、 to help every student. 4.There are only two rooms available, but we need three. 5.The flood washed away the old bridge over the small river.短对话理解你将听到十段对话,每段对话后有一个小题。请在每小题所给的A、B、C三个选项中选出一个最佳选项。每段对话读两遍。6.M: Can you go camping with us, Julia?W: Im afraid not. I have some housework to do. 7.W: Hi, Davi
69、d. Did you go anywhere interesting this summer vacation?M: Yes, I visited Disneyland with my cousins.8.M: Have you ever visited the Three Gorges Dam?W: Yes, I visited it two years ago. Its water is used to produce electricity. 9.W: Why not visit somewhere not too hot on vacation this summer?M: Thats
70、 a good idea.10.W: Which is the longest river in the world?M: Its the Nile, about 6,670 kilometers long. 11.M: Linda, shall we go to the theater this weekend? W: Sorry, but I have to go to a concert. 12.M: What kind of music do you like, Jane? W: All kinds but especially jazz. 13.W: Excuse me, could
71、 I borrow your CD player tomorrow?M: Sorry, the room is too noisy. Could you speak louder, please?14.M: Did you watch the football match on TV yesterday evening?W: No, I didnt. I had dinner with a friend in a restaurant.15.M: Millie, I havent seen this bag before. Whose is it? W: That bag? Sandy tol
72、d me that is Marys bag.长对话理解你将听到两段对话,每段对话后有几个小题。请在每小题所给的A、B、C三个选项中选出一个最佳选项。每段对话读两遍。听下面一段对话,回答第16至17小题。M: Hi, Maria! How time flies! We will graduate from school in a week.W: Yes, thats right, Michael! I feel sad because we have to say goodbye.M: But I will remember our friendship forever.W: Me too.
73、By the way, what are you planning to do before graduation?M: I plan to send every classmate a special gift. And you?W: I will take photos together with my classmates and write my best wishes on the back of each photo.M: Thats cool enough!听下面一段对话,回答第18至20小题。M: Hi! What can I get you?W: Id like a cup
74、of coffee, please.M: Sure. Have in or take away?W: Have in. M: And what size do you want, small, medium or large?W: Large, please.M: Would you like anything to eat? Cookies? Some toast or sandwiches?W: Id like some toast, please.M: No problem. W: Can I have some honey with the toast?M: Sure. Take a
75、seat and Ill bring it over.短文理解你将听到一篇短文,短文后有五个小题。请根据短文内容,在每小题所给的A、B、C三个选项中选出一个最佳选项。短文读两遍。A lawyers wife fell ill terribly. He went to get a doctor. The doctor knew the lawyer was famous for not paying bills. So he said to the lawyer, “If I save your wife, Im afraid you may not pay me.” “Sir,” replie
76、d the lawyer. “Heres 500 dollars. Whether you can save my wife or not, I will give you all of this.” The doctor believed him. Unluckily, he found it was impossible to cure his wife. She soon died. The doctor went to ask for the money. “Did you kill my wife?” asked the lawyer. “Of course I didnt,” sa
77、id the doctor. “Well, did you save my wife?” asked the lawyer. “Im afraid that was impossible,” said the doctor.“Well then,” said the lawyer.“Since you neither killed her nor saved her, I will pay you nothing.” .信息转换你将听到一篇短文。请根据短文内容,写出下面表格中所缺的单词,每空仅填一词。短文读两遍。Good morning. I am Tina. I am glad to tel
78、l you about my first job. I got my first job in my life on May 5th. Now I am working in a Chinese restaurant. I am a waitress. I take customers order and serve the dishes. I work six days a week from 9:00 a.m. to 6:00 p.m. Of course, I can have a short rest after two oclock, because there are few cu
79、stomers at that time. My workmates are very friendly to me. They taught me very carefully. My job is a bit tiring, but I am very happy to do it. I got my first pay yesterday. I was so excited. I want to buy a new electric bike for myself so that it will take me less time to go to work.参考答案.15ACBAA.6
80、10CCBCB1115CBAAC.1620BACAC.2125CBABC .26.May27.Chinese28.Six/629.dishes30.bike.3135CCDDC3640ACACB4145ABCBD.A4650CDBAC5155BACDBB5660BDCAB6165CDABC.6670CGBDA .A7174DCABB7578ABDAC7982CBBDD8387CBCADE88.A plastic bag containing a few potatoes.89.Because the rotten potatoes they were carrying let out the
81、unpleasant smell.90.Forgive others and move on with our life./The burden of hatred will pollute your heart and you will end up carrying an unnecessary burden with you.(言之有理即可).91.courage92.worth93.mentioned94.bottom95.rich.One possible version:Here is my design for the new app. It is named Happy Eng
82、lish Learning. This app includes English news, English movies, English songs, English games and so on. It can make it easy for students to study together. It is true that vocabulary is very important in English study. Students can enlarge their English vocabulary by using this app. Their English listening skills can be greatly improved. They can also practise their spoken English by singing English songs and watching English films. In a word, students can have fun learning English by using this app.I think the new app should be suitable for students of different ages.
