四年级英语下册第一单元测试卷

合集下载

单元测试四年级下册英语人教版三年级起点Unit 1 试题试卷 含答案解析

单元测试四年级下册英语人教版三年级起点Unit 1  试题试卷 含答案解析

四年级(下册)unit1单元测试一、找出划线部分发音与其它三项不同的一项。

(每小题2分,10分)()1.A.cake B.grapes C.face D.hat ()2.A.apple B.cat C.snakeD.bag()3.A.baby B.happyC.tableD.eraser()4.A.hamburger B.can C.dad D.make()5.A.classmate B.plate C.have D.game二、选出与图意相符的内容,将字母编号写在括号内。

(每小题2分,共10分)1.()2.()3.()4.()5.()三、根据图片提示完成句子。

(每小题2分,共10分)1.Welcome to my.2.My classroom is on the.3.We have five s in the classroom.A.playgroundB.teachers’officeC.libraryD.art roomE.music room4.Look,there are eight s.5.There are thirty s.四、单项选择。

(每小题2分,共20分)()1.Do you have________art room?A.aB.anC./()2.My classroom is on________floor.A.twoB.secondC.the second ()3.—________that the gym?—________,it is.A.Do;NoB.Is;NoC.Is;Yes ()4.—Where is Classroom1?—It's________the library.A.next toB.near toC.next()5.—Do you have a music room?—Yes.________,please.A.This wayB.This is a wayC.That way ()6.Go to the library.________.A.Play footballB.Read a bookC.Water the flowers()7.This is the________office.A.teachers'B.teacherC.teachers ()8.—________the library?—It's near the computer room.A.WhereB.Where'sC.What()9.—________students are there in your class?—Thirty.A.How muchB.WhereC.How many()10.—________you have a gym?—Yes,we________.A.Do;areB.Are;doC.Do;do五、连词成句。

人教版四年级下册英语第一单元测试题4套

人教版四年级下册英语第一单元测试题4套

Unit 1过关检测卷时间:40分钟满分:100分听力(40分) 笔试(60分) 总分题号一二三四五六七八九十得分第一部分听力(40分)一、听录音,选出你听到的内容。

(10分)() 1. A. first floor B. second floor C. third floor() 2. A. teachers' office B. homework C. flowers() 3. A. water B. dinner C. computer() 4. A. art room B. music room C. computer room() 5. A. garden B. classroom C. playground二、听录音,选择正确的图片。

(10分)() 1. A. B. C.() 2. A. B. C.() 3. A. B. C.() 4. A. B. C.() 5. A. B. C.三、听录音,选择正确的答语。

(10分)() 1. A. It's near the computer room. B. This is the library. () 2. A. Yes, we do. B. No, it isn't .() 3. A. Miss White is our English teacher. B. Fourteen.() 4. A. It's time for lunch.B. No, it isn't. It's the teachers' office.() 5. A. Thank you. B. Me too.四、听对话,选择正确的选项回答问题。

(10分)() 1. Where is the library?A. It's on the first floor.B. It's on the second floor. () 2. Is the teacher's office on the first floor?A. Yes, it is.B. No, it isn't.() 3. Where is the computer room?A. It's on the first floor.B. It's on the second floor. () 4. Does Amy have an art room?A. Yes, she does.B. We don't know.() 5. Is the computer room next to the library?A. Yes, it is.B. No, it isn't.第二部分笔试(60分)五、看图,写出相应的单词或短语。

【三套试卷】小学四年级英语下册第一单元试卷(附答案)(4)

【三套试卷】小学四年级英语下册第一单元试卷(附答案)(4)

四年级英语下册第一单元过关测试卷(包含答案)一、听录音,选出你所听到的单词或短语。

( 10分)()1. A. first B. second C. third()2. A. library B. gym C. classroom()3. A. garden B. girl C. good()4. A. your B. football C. tall()5. A. computer room B. washroom C. art room二、听录音,按你听到顺序给下列图片标序号,用数字表示。

( 10分)()()()()()三、听录音,判断所听内容是否与图片相符,用“√”或“×”表示。

(10分)()()()()()四、翻译。

(10分)1体育馆_______________ 2.四十_____________ 3.图书馆_______________ 4.first_____________ 5.teacher’s office________ 6.美术室___________ 7. computer room________ 8.music room________9.next to 10.welcome五、火眼金睛选不同。

(10分)()1. A. one B. two C. first()2. A. on B. next to C. where()3. A. this B. that C. Playground()4. A. art room B. school C. teachers’ office ()5. A. music room B. living room C. computer room 六、、选择合适的答案(10分)()1. —Where is the TV room? —It’ s on the ______ floor.A. oneB. firstC. two( ) 2. Go to the ________ and read a book.A.art room B .library C. music room ( ) 3. This is _______ computer.A.myB. meC.I( ) 4. The library is ________ the second floor.A.onB. atC. in( ) 5. —Is this the wall? —________A.Yes, is it.B. No, it is.C. Yes, it is.( ) 6.This is ________ new playground.A.ourB. usC. we( ) 7. Go to the ______ office. Hand in your homework.A.teachersB. teacher’sC. teacher ( ) 8. Welcome our school.A. toB. haveC.for( ) 9.How many are there in your class?A student B. students C. apple( ) 10.There are eight in the library.A. lightsB. windowC. book七、选择相对应的答句(10分)( ) 1. Where is the computer room? A. There are forty-six. ( ) 2. Do you have a library? B. It’s on the second floor. ( ) 3. How many students are there in your class? C. Yes, we do. ( ) 4. Is this the art room? D. Thank you.( ) 5.Your school is beautiful. E. Yes, it is.八、找出错误的一项,将序号填在括号里,并在横线上改正(10分)1. —What’s Classroom 2? —It’s on the second floor. ( )________A B C2. How many pig can you see? ( )________________A B C3. —Do you have an apple? —Yes, I don’t. ( )____________A B C4. —Is this your book? —Yes, this is. ( )_______________A B C5. The music room is next too the art room. ( )___________A B C九、排列句子(注意开头字母要大写,四线三格正确书写)。

四年级下册英语第一单元测试卷

四年级下册英语第一单元测试卷

四年级下册英语第一单元测试卷一、选出不同类的一项。

(10分)1. A. first B. second C. three.2. A. library B. playground C. floor.3. A. where B. on C. under.4. A. music B. art C. room.5. A. teacher B. student C. desk.二、单项选择。

(20分)1. - Where's the library? - It's on the ______ floor.A. oneB. firstC. a.2. This is ______ classroom.A. weB. usC. our.3. - Is this the art room? - ______A. Yes, it is.B. Yes, it isn't.C. No, it is.4. How many ______ are there in your school?A. libraryB. librariesC. a library.5. The teachers' office is ______ the second floor.A. inB. onC. at.6. Go to the ______ and read a book.A. libraryB. gardenC. canteen.7. - Do you have a music room? - ______A. Yes, we are.B. Yes, we do.C. No, we do.8. ______ is the computer room?A. WhatB. WhereC. Who.9. Welcome ______ our school!A. toB. inC. on.10. - ______ is that girl? - She is my sister.A. WhatB. WhereC. Who.三、情景选择。

小学四年级英语下册单元测试卷带答案

小学四年级英语下册单元测试卷带答案

精品基础教育教学资料,仅供参考,需要可下载使用!小学四年级英语下册unit 1 My school单元测试卷带答案听力部分一、听录音,选择你所听到的单词,每小题听两遍。

(10%)() 1. A.light B.floor C.table D.clock() 2. A.this B.that C.there D.three() 3. A.second B.third C.first D.one() 4. A.art room B.washroom room D.music room () 5. A.gym B.library C.art room D.classroom() 6. A.playground room C.gym D.library()7. A.glass B.classmate C.class D.classroom()8. A.fan B.board C.lights puter()9. A.floor B.fall C.tall D.wall()10. A.book B.look C.good D.cook二、听问题,选择正确的答语,每小题听两遍。

(10%)() 1. A.Yes,it isn't. B.Yes, it is. C.No, it is.() 2. A.Yes, it is. B.No, it isn't. C.It's on the first floor.() 3. A.No, it isn't. B.Yes. C.Yes, it isn't.() 4. A.No. B.Forty-five. C.I am fine.() 5. A.No, it isn't. B.Yes, we do. C.Yes, it is.三、听录音,判断句子正误,正确的填T,错误的填F,每小题听两遍。

(10%)() 1. Your school is not beautiful.() 2. Look! This is our playground.() 3. The music room is on the third floor.() 4. The canteen is on the second floor.() 5. Where is the art room? It's on the first floor.笔试部分四、根据括号里的内容,在方框中选择恰当的单词或短语填在横线上。

人教版四年级英语下册单元测试一附答案

人教版四年级英语下册单元测试一附答案

人教版四年级英语下册单元测试一听力部分(40分)一、听录音,选出你所听到的单词或短语。听两遍。(10分)( )1. A. play B. picture C. playground ( )2. A. dinner B. sister C. teacher( )3. A. garden B. library C. classroom ( )4. A. first B. second C. two( )5. A. computer room B. music room C. art room二、听录音,选出与你所听内容相符的图片。听两遍。(10分)三、听录音,判断下列句子与你所听内容是(√)否(×)相符。听两遍。(10分)( )1. Where is your classroom?( )2. Let’s water the flowers in the garden.( )3. Do you have a music room?( )4. The library is on the first floor.( )5. How many boys are there in your class?四、听录音,选出正确的答语。听两遍。(10分)( )1. A. Yes, it does. B. Yes, it is. C. No, they aren’t. ( )2. A. Thank you. B. Yes, I am. C. This is my school. ( )3. A. I’m forty. B. There are forty. C. Yes, it is.( )4. A. Yes, we do. B. No, we aren’t. C. Yes, we are. ( )5. A. It’s on the second floor. B. It’s on the desk.C. They’re under the tree.笔试部分(60分)五、判断下列每组单词画线部分读音是(√)否(×)相同。(5分) ( )1. Water sister ( )2. Eraser under ( )3. Bird winter ( )4. Here dinner ( )5. Ruler near六、选出下列每组单词中不同类的一项。(5分)( )1. A. art B. room C. music( )2. A. floor B. first C. second( )3. A. teacher B. student C. gym( )4. A. library B. forty C. thirty( )5. A. on B. under C. garden七、单项选择。(5分)( )1. Welcome _______ our school.A. toB. tooC. for( )2. —Excuse me.________ is the library?—It’s on the second floor.A. WhereB. WhatC. Who ( )3. We can sing and dance in the _______.A. libraryB. music roomC. art room ( )4. The art room is on the ________ floor.A. oneB. twoC. first( )5. —Is this the teachers’ office?— _______A. Yes, it is.B. No, they aren’t.C. Yes, it does. 八、选词填空。小老虎当司机,把单词宝宝送回家。(10分)1. The teachers’ office is next to _______ the library.2. Do you have an _______ art room?3. We have a _______ computer room.4. How many students are there in ______ your class?5. It is on ______ the first floor.九、情景交际。(10分)( )1. 向别人问路前,你应该先说:________A. Sorry.B. Excuse me.( )2. 你邀请同学和你一起去操场打篮球,可以说:________A. Le t’s go to the playground to play basketball.B. Go to the playground to play football.( )3. 你想表达美术教室紧邻图书馆时,可以说:________A. The art room is next to the library.B. The art room is under the library.( )4. 你想知道操场在哪里,可以问:________A. Where is the gym?B. Where is the playground? ( )5. 朋友想知道远处的那栋高楼是不是图书馆,他这样问:_____A. Is this the computer room?B. Is that the library?十、连词成句。(8分)1. our, is, This, library (.)2. you, have, a, Do, gym (?)3. floor, the, on, second, It’s (.)4. is, the, room, Where, art (?)十一、将下列句子与其正确的答语连线。(10分)1. Where is the music room? A. Yes, it is.2. Do you have an art room? B. It’s beautiful.3. Is that the teachers’ office? C. Forty-five.4. This is my school. D. It’s on the first floor.5. How many books are there?E. Yes, we do.十二、任务型阅读。按要求完成下列任务。(7分)任务一:从方框中选择适当的选项补全对话。(5分) Mike: 1. ______ This is the teachers’office. That is my classroom. Visitor A: 2. ______ Mike: Thirty-nine. Visitor B: 3. ______ Mike: Yes, we do. Visitor A: 4. ______Mike: Y es. The art roomis on the first floor. 5. ______任务二:根据对话内容,判断下列句子正(√)误(×)。(2分) ( )1. Ther e are 39 students in Mike’s class. ( )2. The art room is on the second floor.A. This way, please.B. Do you have an art room?C. Welcome to our school!D. Do you have a library?E. How many students are there in your class?人教版四年级英语下册期末测试(一)听力部分(40分)一、听录音,选出你所听到的单词。听两遍。(10分)( )1. A. music B. playground C. computer ( )2. A. tomato B. potato C. carrot ( )3. A. shorts B. skirt C. shirt ( )4. A. windy B. cloudy C. rainy ( )5. A. breakfast B. lunch C. dinner 二、听录音,用数字给下列图片排序。听两遍。(10分)三、听录音,选出你所听到的句子。听两遍。(10分)( )1. A. It’s six o’clock. It’s time to go home.B. It’s seven o’clock. It’s time to go to school. ( )2. A. That’s the art room. It’s on the first floor.B. That’s the music room. It’s on the second floor. ( )3. A. These are your shorts. They are yours.B. These are your pants. They are yours.( )4. A. It’s sunny and warm in Beijing today.B. It’s snowy and cold in Beijing today.( )5. A. How many horses do you have?B. How many cows are there on your farm?四、听录音,判断下列句子正(√)误(×)。听两遍。(10分) ( )1. It’s snowy today.( )2. Chen Jie goes to the zoo with her friend Mike. ( )3. Mike wears a yellow T-shirt and white shorts. ( )4. There are many cows and horses on the farm. ( )5. The farm is big and nice.笔试部分(60分)五、选出下列每组单词中画线部分读音不同的一项。(5分) ( )1. A. teacher B. under C. skirt ( )2. A. ball B. little C. wall ( )3. A. horse B. world C. work ( )4. A. card B. car C. small ( )5. A. bird B. water C. nurse 六、将下列图片与对应的单词连线。(5分)七、单项选择。(5分)( )1. These are my pants. They are______.A. meB. mineC. my ( )2. I have five ______ on my farm.A. sheepB. cowC. horse ( )3. The sweater is only eighteen yuan. It’s ______.A. cheapB. expensiveC. your ( )4. —______ socks are these?—They are Lucy’s.A. WhoB. WhoseC. What ( )5. It’s 6:00 p.m. It’s time for ______.A. breakfastB. lunchC. dinner 八、给下列句子选择相应的图片。(5分)( )1. It’s time for PE class. Let’s jump and run. ( )2. It’s sunny and hot in Sydney.( )3. Take off your hat.( )4. This is my skirt. It’s very pretty.( )5. Go to the music room. Sing and dance.九、读句子,从Ⅱ栏中选出Ⅰ栏相应的答语。(10分)ⅠⅡ( )1. Is this the library?( )2. Can I try it on?( )3. Where is theteachers’ office?( )4. How do you like the socks? ( )5. What are these? 十、连词成句。(10分) 1. are, brother’s, my, They (.)2. go, I, Can, now, outside (?)3. time, for, It, Chinese, is, class (.)4. much, are, these, How, shoes (?)5. classroom, next, My, the, to, is, computer, room (.)十一、从方框中选择适当的选项补全对话。(10分) Mum: Mike! Get up. Mike: 1. ______ Mum: It’s seven o’clock.A. It’s next to the art room.B. They’re very pretty.C. Yes, it is.D. They are cows.E. Of course.Mike: Oh, I’m late. I wil l(将) go to Beijing today. Where are my socks?Mum: 2. ______ Mike: They are yellow. Mum: 3. ______Mike: No, they are my father’s. Mum: Whose socks are those?Mike: Oh, they are mine. 4. ______ Mum: It’s rainy and cold in Beijing.5. ______ Mike: Thank you, Mum.十二、阅读短文,判断下列句子正(√)误(×)。(10分)Today is Saturday. It’s cloudy and cool. We have no classes. I go to my father’s farm. On the farm I see many vegetables. The tomatoes are red and big. The carrots are orange. The green beans are green and long. The potatoes are brown and big. Look! There are many animals, too. There are thirty horses, fifteen cows and forty sheep. Are these ducks? No, they aren’t. They are hens. There are eighty. I like this farm very much.( )1. It’s Saturday today.( )2. The tomatoes are green and big. ( )3. The green beans are green and long. ( )4. There are 40 horses on the farm. ( )5. There are 15 cows and 80 hens on the farm .A. Are these yours?B. What colour are they?C. What’s the weather like in Beijing?D. What time is it?E. Put on your coat and scarf.。

人教版四年级下册英语第一单元测试题3套

人教版四年级下册英语第一单元测试题3套

Unit 1过关检测卷(40分钟100分) 开始计时:________第一部分听力(30分)一、听录音,选出你所听到的单词或短语。

(每小题1分,共10分)() 1. A. garden B. girl C. great() 2. A. music B. art C. big() 3. A. there B. this C. lunch() 4. A. dinner B. under C. after() 5. A. please B. picture C. play() 6. A. your B. floor C. you() 7. A. lunch B. that C. next() 8. A. school B. room C. full() 9. A. teacher B. sister C. computer() 10. A. watch TV B. read books C. water flowers二、听录音,判断你所听到的内容与图片是否相符,相符的写“√”,不符的写“×”。

(每小题1分,共5分)1. 2. 3.() () ()4. 5.() ()三、听录音,完成下列句子。

(每小题1分,共5分)() 1. Where is the________?A. gardenB. canteenC. classroom() 2. We have a new ________ room.A. computerB. artC. music() 3. ________ is your library.A. ThatB. ThisC. There() 4. She's in the________.A. schoolB. gymC. music room() 5. How many ________ are there in your school?A. teachersB. studentsC. books四、听录音,根据你听到的句子选择正确的答语。

人教PEP版四年级英语下学期unit 1 my school 试题 (含答案)

人教PEP版四年级英语下学期unit 1 my school 试题 (含答案)

人教版四年级英语下册第一单元测试卷题号一二三四五六七八九总分得分听力部分(30分)一、听录音,标序号,并将单词或短语与相应的图片连起来。

(10分)teachers' office school library playground ()()()()二、听录音,选择正确的答案。

(10分)()1. There are_____ teachers in my school.A.16B.62C.60()2. We have lunch in the_____.A. lunch roomB. classroomC.room()3. We don't have a new_____.A. computer roomB. gardenC. art room()4. My classroom is on the_____.A. floorB. first floorC.second floor三、听录音,判断对(√)错(×)。

(10分)()1. We have a new music room.()2. The computer room is on the second floor.()3. There are fourteen computers in the computer room.()4. The computers are new.笔试部分(70分)四、看一看,选一选。

(10分()1. A.library B. teachers' office ()2. A.garden B.music room()3. A.playground B.lunch root()4. A.gym B. art room()5. A. music room puter room 五、单项选择。

(10分)()1.—Is this your home?—____________A. Yes, it is.B. NO, it is.C. No, this isn t()2. The art room is on the______ floor.A.oneB.twoC.second()3. Our school is_______the library.A.nextB.next toC.to next()4. How many______are there in your school.A.teacherB.teachersC.teacheres( )5. Welcome_____our school!A.onB.inC.to六、给下列句子选择正确的答语。

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

第二学期四年级英语科第一单元测试卷全卷满分100分,测试时间70分钟一二三四五六七八九十总分题次分值得分听力部分:(40分)一、听录音,选出你听到的一项,把编号学在括号里(10分)()1、A、hall B、tall C、small()2、A、school B、classroom C、 home()3、A、breakfast B、basketball C 、lunch()4、A、playground B、park C 、gry()5、A、art room B、music room C 、 room( )6、A、library B、 teachers’office C 、classroom( )7、 A、 moon B 、cool C、 noodles()8、A 、see B、have C、 go( )9、A、this B、 there C 、these( )10、 A、There is B 、 There are C There is n’t二、听句子,判断所听到的句子与图意是否相符,用√或×表示。

(10分)A B C D E1、()2、()3、()4、()5、()三、听录音,判断下列句子与录音内容是否相符,用T或F表示(10分)( )1、It’s time to go to school .( )2、Jenny isn’t in the classroom ..( )3、Tony is playing on the playground .( )4、Gogo is eating in the lunch room .( )5、I don’t have an idea.四、听录音,选择最佳的答语。

(10分)( )1、A、There’s Gogo’s arms. B、They are Gogo’s arms.C 、There are Gogo’s arms .( )2、A、 Yes,I am. B、 Yes ,I do . C、 Yes ,it is .( )3 、A、 I’ m reading in the library. B、 He’s making the bed . C、 She’s cleaning the window.( )4 A、 I’ m going to school.B、 He’s going to school .C 、Tony is going to school.( )5 A、 Yes ,he is . B、 Yes ,she is . C 、Yes ,they are .笔试部分:(60分)五、选择与所给单词同类的一项,把编号写在括号里。

(10分)()1、she A 、 he B、 his C 、my( )2、talking A、 sit B 、 sing C、 shouting( )3、chair A 、 book B 、banana C 、desk( )4、that A 、his B 、this C、 he()5、room A 、classroom B 、moon C 、 cool六、选出合适的词完成句子,不能重复(10分)A 、TouchB 、playground C、aren’t D 、breakfastE、 TheseF、timeG、can’t H 、washingI 、for J、go1、What______does she go to school?2、Are they going to the ______ ?3、-What are you doing?-I’m _____ the clothes.4、Is she cooking ______ ?5、Tony______ play today,He’s busy.6、______ Gogo’s toes.7、______ are her oranges8、-Are Jenny and Tony talking?- No,they ______.9 、Its time______ school .10 、I______ home at 5:15pm. .七、选择填空。

(10分)()1、______they watching TV?A、DoB、AreC、Can( )2、______are you going?A、WhatB、WhoC、Where( )3、-Is she going to the library? ______.A、No,she’s notB、Yes,he isC、yes,she isn’t( )4、______do you do your honework?A、How manyB、What timeC、What( )5、______Time to go home.A、It’sB、IsC、That’s()6、–what color are they ? ______.A、 They are blue .B、 They are feet . C 、It’s green.( ) 7 、______ your shoulders ,Gogo .A、OpenB、 Move C 、Touch()8、 My sister can ________ the floor.A、 sweepingB、 sweepC、 sweeps( ) 9、 Tony_______ his homework at 6:20 every day .A、 do B 、is doing C、 does( )10、 My father is teacher .He works in a ______________A、 school B 、 park C、 bank八、从Ⅱ栏中找出Ⅰ栏的答语。

(10分)ⅠⅡ( )1、What is this ? A、 She is dancing.( )2、Is he playing basketball? B 、 No ,I am n’t. ( )3、What is Jenny doing ? C 、It’s 3:15 .D、 It’s a gym .( )4 Are you going to the teachers’office ? E. Yes,he is. ( )5、What time isit ?九、根据中文提示完成句子。

(10分)1、他们在美术室画画。

They are drawing in the __________ _______ .2、让我们去操场。

Let’s go to the _________ . .3、我妈妈在午餐室。

My mother is in the _______ ___________.4、请跟我来。

Please________with me_.5、你们有教室吗?Do you____ ______ _____?十、阅读理解,并根据短文内容判断对错,对的写“T”,错的写“F”。

(10分)Hi ! My name is John . I like my new school. There is a big hall,a playground,a music room,a library and an art room in our school .The library is not big,but there are lots of books in it. I can study and read there.( )1 John is a student.( )2 John likes his school .( )3 There is a gym in John’s school.( )4There is a small library in John’s school.( )5John can play in the library.附:四年英语下册第一单元听力材料一、听录音,选出你听到的一项,把编号学在括号里(10分)1、hall2、 classroom 3 、lunch 4 、gym 5 、music room6、 library7、 moon8、 have 9 、there 10 、There isn’t二、听句子,判断所听到的句子与图意是否相符,用√或×表示。

(10分)1、classroom 2 、gym 3 、playground 4 、hall 5、 art room三、听录音,判断下列句子与录音内容是否相符,用T或F表示(10分)1 、It’s time to have lunch.2 、 Jenny is in the classroom.3 、 Tony and his brother are playing on the playground.4 、 Gogo is eating in the diningroom.5 、 I don’t know.四、听录音,选择最佳的答语。

(10分)1、 What are these ?2、 Do you have a classroom ?3、 What’s Jenny doing ?4 、Where are you going ?5、 Is your sister in the music room ?。

相关文档
最新文档