pep人教版三年级英语下册Unit 1达标检测卷
Unit 1达标检测卷时间: 40分钟满分: 100分题号一二三四五六七八九十十一十二十三总分得分听力部分(40分)一、听录音, 选出你所听到的单词。
(10分)()1. A. Canada B. China C. Australia()2. A. dad B. cat C. bag()3. A. student B. friend C. today()4. A. she B. he C. hi()5. A. go B. girl C. hello二、听录音, 连线。
(10分)1. Tom A.2. Li Fang B.3. Danny C.4. Jenny D.5. Sam E.三、听录音, 选出你所听到的句子。
(10分)()1. A. She is from the UK. B. He is from the USA.()2. A. Welcome back! B. Welcome back to school!()3. A. I’m a student. B. I’m a teacher.()4. A. We are friends. B. We have two new friends today.()5. A. Baobao is a boy. He is from Beijing.B. Lingling is a girl. She is from Nanjing.四、听录音, 选出与你所听内容相应的答语。
(10分)()1. A. I’m from Canada. B. I’m a student.()2. A. My friend is Wu Yifan. B. My name is Wu Yifan.()3. A. Hi, I’m Chen Jie. B. Hi, I’m from China.()4. A. She is Miss White. B. He is Mr Jones.()5. A. She is from the UK. B. He is from Australia.笔试部分(60分)五、选出与所给单词同类的一项。
(5分)()1. duck A. he B. cat C. she()2. China A. cat B. friend C. Canada()3. student A. USA B. teacher C. today()4. one A. UK B. new C. three()5. he A. and B. girl C. she六、根据以下各组图片提供的关键信息, 猜出单词, 并把正确的单词抄写到四线三格中。
(10分)1.2.UK teacher USA China pupil3.4.5.七、单项选择。
(5分)()1. —Where are you from? —________A. I’m from Canada.B. He’s from Canada.C. I’m John.()2. Hi, I’m Zhang Peng. I am from ________ China.A. aB. theC. /()3. Wu Yifan is a________and Sarah is a________.A. girl; boyB. boy; girlC. boy; boy()4. We________two new friends.A. amB. hasC. have()5. Welcome ________to school!A. youB. backC. black八、选词填空, 将选项序号填在题前括号内。
(5分)A. inB. isC. toD. likeE. from()1. Wu Yifan, this________ Amy.()2. Hi! Nice ________meet you.()3. I’m ________the UK.()4. The cat is ________the bag.()5. We are friends. We________to play.九、看图片, 选择相应的句子, 并把其字母标号写在括号中。
(5分)1. 2. 3. 4. 5.( ) ( ) ( ) ( ) ( )十、情景交际。
(5分)( )1. 当你向别人介绍自己的新朋友时, 你可以说：A. This is my new friend, Amy.B. I’m Amy.C. It’s OK.( )2. 当你问别人来自哪里时, 你可以说：A. How old are you?B. Where are you from?C. Are you from China?( )3. 当你欢迎别人时, 你可以说：A. Welcome!B. Thank you.C. What’s your name?( )4. 当你跟新朋友第一次见面时, 你可以说：A. Nice to meet you.B. Thank you.C. Good afternoon!( )5. 当你想说“我来自中国。
”, 你可以这样说：A. I’m China.B. I’m from China.C. My name is China.十一、根据情景完成下列对话。
(10分)A. This is a panda. It’s from China.B. This is Miss White. She’s a teacher.C. They are Tom and Jerry. They are friends.D. This is Kitty. She’s from Australia.E. I have a new friend. He’s from Canada.1.______Hi, I’m Mike. I’m from Canada.十二、读一读, 排一排, 将下列句子排成一段通顺的对话。
(5分)( )I’m from America. ( )Good morning, Amy.( )Mr Jones, this is Amy. She is a new student. ( )Good morning, Mr Jones. ( )Where are you from?十三、阅读短文, 选择正确的选项。
(10分)Hello, I’m Sarah. I’m a girl. This is my new friend. He is from Canada. Heis a good student. He is a boy. He is 8 years old. His name is Mike. We are good friends.( )1. I have a new________.A. teacherB. friend( )2. Mike is from________.A. Thank you.B. Nice to meet you, too.C. Hello, I’m Zhang Peng. I’m from Shandong, China.D. He is from the UK.Welcome back to school!2. ________Nice to meet you.3. __________Where is he from?4. _________A. ChinaB. Canada ()3. Mike is________years old.A. nineB. eight ()4. Mike is a good________.A. studentB. teacher ()5. I’m a________.A. boyB. girlUnit 1达标检测卷听力材料:一、1. China 2. bag 3. student 4. he 5. girl二、1. My name is Tom. I’m from the USA.2. I’m Li Fang. I’m from China.3. My name is Danny. I’m from Canada.4. I’m Jenny. I’m from the UK.5. I’m Sam. I’m from Australia.三、1. She is from the UK.2. Welcome back!3. I’m a teacher.4. We have two new friends today.5. Baobao is a boy. He is from Beijing.四、1. Where are you from?2. What’s your name?3. Hello, I’m Zhang Peng.4. Who is he?5. Where is Amy from?答案：一、1. B 2. C 3. A 4. B 5. B二、1—C2—B3—A4—E5—D三、1. A 2. A 3. B 4. B 5. A四、1. A 2. B 3. A 4. B 5. A五、1. B 2. C 3. B 4. C 5. C六、1.2.3.4.5.七、1. A点拨：此句答语结构为“I’m＋from＋地点. ”。
2. C点拨：China 中国, 前面不用加冠词。
3. B4. C点拨：句意为“我们有两个新朋友”。
We是第一人称复数形式, 后接have。
5. B点拨：Welcome back to school! 欢迎回到学校!八、1. B 2. C 3. E 4. A 5. D九、1. D 2. B 3. E 4. A 5. C十、1. A 2. B 3. A 4. A 5. B十一、1. C 2. A 3. B 4. D十二、5213 4十三、1. B 2. B 3. B 4. A 5. B。
三年级下册英语人教PEP版Unit1达标检测卷(含答案)
三年级下册英语人教PEP版Unit1达标检测卷（含答案）时间: 40 分钟满分: 100 分听力部分(40 分)一、听录音, 选出你所听到的单词。
(10 分)( )1. A. Canada ( )2. A. dad ( )3. A. student B. ChinaB. catB. friendC. AustraliaC. bagC. today( )4. A. she B. he C. hi( )5. A. go B. girl C. hello二、听录音, 连线。
(10 分)1.Tom A.2.Li Fang B.3.Danny C.4.Jenny D.5.Sam E.三、听录音, 选出你所听到的句子。
(10 分)( )1. A. She is from the UK. B. He is from the USA.( )2. A. Welcome back! B. Welcome back to school!( )3. A. I’m a student. B. I’m a teacher.( )4. A. We are friends. B. We have two new friends today.( )5. A. Baobao is a boy. He is from Beijing.B. Lingling is a girl. She is from Nanjing.四、听录音, 选出与你所听内容相应的答语。
(10 分)( )1. A. I’m from Canada. B. I’m a student.( )2. A. My friend is Wu Yifan. B. My name is Wu Yifan.( )3. A. Hi, I’m Chen Jie. B. Hi, I’m from China.( )4. A. She is Miss White. B. He is Mr Jones.( )5. A. She is from the UK. B. He is from Australia.笔试部分(60 分)五、选出与所给单词同类的一项。
人教版(PEP)小学三年级下册英语Unit1测试题
____________________________________________________________________________________________________三年级英语单元测试题（Unit 1）听力部分一、 听录音，把你听到字母的大小写写在下面的四线格内。
（10分）二、 听音标号，根据录音内容，给下列图片标上正确的序号。
（10分）1. 2. 3. 4. 5.( ) ( ) ( ) ( ) ( ) 三、 听音选择，根据录音内容，将正确图片下面的字母用圆圈圈起来。
（10分） 1. 2. 3.A B A B A B 4. 5.A B A B四、 听音完成单词，根据录音内容，将下列单词补充完整。
（10分）___offee ___og ___pple ___gg ___ag五、 听录音，判断录音内容与图片是否相符，相符的打“√”，不相符的打“×”。
（10分） 1. 2. 3. 4. 5( ) ( ) ( ) ( ) ( ) 六、 听录音，将下列人物与其国籍连起来。
（10分）China England Canada America Australia七、 听一听，排一排。
根据你所听到的内容选择答句，在答句前面的括号内填入序号。
（10分） ( ) Good morning, Miss Wang. ( ) I’m from America.( ) Nice to meet you, too. ( ) My name is Mike. ( ) Very well, thank you.笔试部分八、 找出不是同一类的单词，把编号写在前面的括号里。
（10分） 1. ( )A. duck B. elephant C. dog D. egg 2. ( )A. China B. Coke C. America D. Canada 3. ( )A. bag B. coffee C. crayon D. sharpener 4. ( )A. kite B. white C. purple D. orange 5. ( )A. chicken B. bread C. juice D. hot dog 九、 读句子，排一排。
下册人教PEP英语三年级第一单元测试卷及答案
人教版PEP 英语下册三年级第一单元测试卷时间：40 分钟满分：100 分Part1 Speaking 说(15%)一、跟读下面的单词和短语。
(5 分)1. China2. Canada3. teacher4. student5. boy6. girl7. she8. he9. a new friend 10. the USA二、跟读下面的句子。
(5 分)1.Nice to meet you.2.Welcome back!3.I'm from the UK.4.This is Amy.5.Talk about your teacher and your friend.三、跟读下面的对话。
(5 分)1.—Hi, I'm Zhang Peng. I'm from Shandong.—Hi, I'm Mike. I'm from Australia.2.—Where are you from?—I'm from China.3.—Mr Jones, this is John. He's a new student.—Hi, John. Nice to meet you.—Hi, Mr Jones. Nice to meet you, too.Part2 Listening 听(30%)一、听录音，选出你所听到的单词。
(5 分)() 1. A. China B. chair C. Canada() 2. A. cat B. dad C. bag() 3. A. panda B. hand C. and() 4. A. from B. about C. for() 5. A. he B. tea C. me二、听录音，选择你所听到的一项。
(5 分)( ) 1. is a pupil.A. HeB. SheC. This( ) 2. I'm from .A. CanadaB. AustraliaC. China( ) 3. This is Clever.A. MrB. MrsC. Miss( ) 4. We have a new .A. studentB. friendC. teacher( ) 5. This is a from China.A. girlB. boyC. pupil三、听录音，判断下列图片与你所听到的内容是(T)否(F)相符。
人教版PEP三年级英语下册Unit1达标测试卷
人教版PEP三年级英语下册Unit1达标测试卷时间：60分钟满分：100分第一部分听力部分I.听录音,选择你所听到的句子里含有的单词,将其序号填入题前括号里。
(5分)( )1.A.school B.student C.seven( )2.A.from B.for C.four( )3.A.welcome B.we C.well( )4.A.too B.today C.ten( )5.A.Canada B.cake C.ChinaⅡ.听录音,选出你所听到的句子。
(5分)( )1.A.I am a boy. B.I am a girl.( )2.A.He's a teacher. B.She's a teacher.( )3.A. This is Amy. B.This is Zhang Peng.( )4.A.You and me. B.One,two,three.( )5.A.Boy and girl. B.Boys and girls.Ⅲ.听录音,选择正确的答语。
(5分)( )1.A Hello,Li Ze. B.Hello,I'm Li Ze.( )2.A.Good morning,Tom. B.Good afternoon,Tom.( )3.A.I'm from Australia. B.I'm Australian.( )4.A.I'm five. B.I'm fine.( )5.A.Nice to meet you! B.Thank you!第二部分笔试部分I.选出与所给单词画线部分读音相同的一项。
(10分)( )1.dad A.cat C.cake( )2.from A.nose B.dog C.do( )3.hi A.like B.pig C.big( )4.we A.pen B.he C.pencil( )5.fun A.run B.student Ⅱ.你能帮他们找到正确的国旗吗?(6分)I'm from America. I'm from China. I'm from Canada.1.( )2.( )3.( )Ⅲ.单项选择。
人教版三年级英语下册第一单元测试卷
人教版三年级英语下册第一单元测试卷全文共6篇示例，供读者参考篇1当然可以！以下是一篇满足您要求的文章：My Favorite AnimalHi everyone! My name is Amy, and today I want to tell you about my favorite animal. Can you guess what it is? Well, let me give you a clue. It lives in the jungle, has a long tail, and loves to swing from tree to tree. That's right, it's a monkey!Monkeys are amazing creatures. They are very clever and playful. I love watching them jump and climb. They have such nimble fingers that they can even peel bananas with ease. Monkeys are also great at imitating sounds. Once, I saw a monkey in the zoo who could make funny noises just like a human. It made me laugh so much!Did you篇2Unit 1 Test PaperHello, friends! It's me, your buddy from Grade 3. Today,we're going to have a test on Unit 1 of our English textbook. Are you ready? Let's go!Part I: Listening Comprehension (20 points)Listen to the audio and circle the correct answer.a. What's the weather like today?i. It's sunny.ii. It's cloudy.iii. It's rainy.b. How many people are in the park?i. Two people.ii. Three people.iii. Four people.c. What are they doing?i. Playing football.ii. Flying a kite.iii. Having a picnic.Listen again and tick the correct picture.(There will be three pictures, and you need to choose the one that matches the audio description.)Part II: Vocabulary (20 points)Match the words with their definitions.a. sunnyb. cloudyc. windyd. rainye. snowyi. The sky is covered with clouds.ii. Water falls from the sky in drops.iii. The sun is shining brightly.iv. White flakes of frozen water fall from the sky.v. The air is moving quickly.Fill in the blanks with the correct words from the box.(The box will contain words related to weather, seasons, and outdoor activities.)Part III: Grammar (20 points)Choose the correct form of the verb to complete the sentence.a. They _____ (play/plays) in the park every weekend.b. It _____ (is/are) sunny today.c. The kite _____ (fly/flies) high in the sky.Rewrite the sentences using the correct subject-verb agreement.a. The boys like to fly kite.b. The girl enjoy playing in the sandbox.Part IV: Reading Comprehension (20 points)Read the short passage and answer the questions.It's a beautiful sunny day today. The sky is blue, and there are a few white clouds. My friends and I are playing in the park. We're having so much fun!Sarah is flying a colorful kite. The wind is strong, and the kite is soaring high. Tom and Jack are kicking a ball around. They're playing football. Mary and I are building a sandcastle in the sandbox. We're using our buckets and shovels to make a big castle.After playing for a while, we'll have a picnic. Mom has packed some sandwiches, fruits, and juice boxes for us. We'll sit on the blanket and enjoy our delicious snacks.I love spending time with my friends in the park on sunny days like this!What is the weather like?What are the children doing in the park?How will they have their picnic?Why does the narrator love spending time in the park?Part V: Writing (20 points)Write a short paragraph (5-6 sentences) describing your favorite outdoor activity and why you enjoy it.That's it, friends! I hope you found the test fun and not too challenging. Remember, practice makes perfect, so keep studying and reviewing the lessons. Good luck!篇3第一单元测试卷Listening Section (听力部分)Part 1 (第一部分)Listen and choose the correct picture. (听音选择正确的图片。
最新人教PEP版英语三年级下册(unit1-6)各单元测试卷及答案 附期中+期末测试卷
参考答案 1．（1）男孩 （2）女孩 （3）教师 （4）学生 （5）这；这个 （6）我的 （7）朋友 （8） 好的；愉快的 （9）遇见；碰见 （10）再见 （11）早上好 （12）下午好 【解析】 2．（1）欢迎 （2）回来 （3）新的 （4）哪里 （5）你；你们 （6）从；从……起 （7） 美国 （8）看见 （9）又；再 （10）同学们；班级 （11）我们 （12）蚂蚁 （13）今天 （14） 对不起 （15）苹果 【解析】 3．（1）B （2）A （3）E （4）D （5）C 【解析】 4．（1）F （2）A （3）G （4）B （5）C （6）H （7）K （8）I （9）D （10）E （1）（1）J 【解析】 5．（1）D （2）B （3）A （4）C （5）F （6）E 【解析】 6．B 【解析】 7．B 【解析】
( )Where are you from?
( )This is my friend.
( )We have two new friends today.
( )I’m from Shandong.
37． ----Nice to see you again! ----_____________
A. Nice to meet you!
人教 PEP 版英语三年级下册（unit1-6）各单元测试卷及答案
附期中、期末测试卷
目录 Unit 1 Welcome back to school！ Unit 2 My family Unit 3 At the zoo Unit 4 Where is my car? Unit 5 Do you like pears? Unit 6 How many?
B. Nice to see you, too.
38．----Where are you from? ----_____________
人教PEP版英语三年级下册第一单元基础达标卷(有答案)
人教PEP版三年级英语下册Unit 1 单元达标测试A卷一、判断下列每组单词划线部分的发音是(T)否(F)相同。
（10分）1．name dad ( )2．bag cat ( )3．Canada face ( )4．China hand ( )5．black panda ( )二、单选题（10分）6．Miss White _________ a teacher. ()A．am B．is C．are7．Mike is my friend. _________ is a pupil. ()A．He B．She C．You 8．—Hi, John. This is my friend Wang Tong. ()—_________.A．Thank you B．Goodbye C．Nice to meet you 9．—Hi, Amy. ()—Hi! ______A．I’m from China.B．Nice to see you.C．OK. 10．—Boys and girls, we have a new friend today. ()—_______A．Welcome!B．Thank you!C．Hi!三、你能根据这些数字写出英语单词吗？（10分）11．12 ___ welve12．15 f ___ fteen13．16 s___ venteen14．18 ___ ighteen15．20 ___ wenty四、选词/短语填空（10分）16．This is Amy. _____ (He / She) is a student.17．— ______ (Where / Who) is he from?—He's from China. 18．Where _______ (are / am) you from?19．She’s from _______ (A．the UK / B．USA). 20．Welcome back _______ (A．to / B．in) school.五、句子匹配（10分）21．Where are you from? ( )22．Good afternoon! ( )23．We have a new friend today. ( )24．What’s your name? ( )25．Good morning! ( )六、连线题（10分）26．我会连，将国旗、国家名和相应国家的代表动物连线。
人教PEP版小学三年级英语(下册)unit1测试卷2及答案
人教版小学三年级英语下册 Unit1 单元测试卷基础全练全测一、读一读，写出汉语意思。
(40 分)1．pen/pen/3．pencil box/'pensl 'bks/2．pencil/'pensl/4．ruler/'ruːl/5．eraser/'re z/ 6．crayon/'kre n/ 7．book/b k/ 8．bag/b/二、画一画。
(32 分)1．book 2.pen3.bag4.ruler5.eraser6.pencil7.p encil box 8.crayon三、为下列句子选择正确的译文。
(28 分)( )1.Hello!( )2.What's your name?( )3.My name's Chen Jie.( )4.Goodbye!( )5.Hi！I'm Wu Yifan.( )6.Show me your pencil.( )7.Open your pencil box.答案详解一、1.钢笔 2.铅笔 3.铅笔盒 4.尺子5．橡皮 6.蜡笔7.书8.包二、1.书 2.钢笔 3.包 4.尺子5．橡皮 6.铅笔7.铅笔盒8.蜡笔三、1.D 2.A 3.C 4.B 5.G 6．F 7.E综合全练全测听力部分(40 分)一、听到谁，就给谁画一个“√”吧！(10 分)1.hello hi 2．pen pencil 3．eraser ruler ( ) ( ) ( )( ) ( ) ( ) 4．bag book 5．crayon eraser( ) ( ) ( ) ( )二、听一听，选一选。
(15 分)( )1.A. B. ( )2.A. B.( )3.A. B. ( )4.A. B.( )5.A. B.三、听一听，选出你听到的答语。
(15 分)( )1.A.I'm Miss White. B．My name's Chen Jie.( )2. A．Bye! B．Hello!( )3.A.I have a book，too. B．Me too.( )4. A．Oh，no! B．OK!( )5.A.Hi！I'm Bai Xue. B．Hi！I'm Bai Ling.笔试部分(60 分)四、看图选词。
2020年pep人教版三年级英语下册 Unit 1 Welcome back to school!单元检测题(含答案 )
Unit 1检测卷时间: 40分钟满分: 100分听力部分(40分)一、听录音, 选出你所听到的单词。
(10分)()1. A. Canada B. China C. Australia()2. A. dad B. cat C. bag()3. A. student B. friend C. today()4. A. she B. he C. hi()5. A. go B. girl C. hello二、听录音, 连线。
(10分)1. Tom A.2. Li Fang B.3. Danny C.4. Jenny D.5. Sam E.三、听录音, 选出你所听到的句子。
(10分)()1. A. She is from the UK. B. He is from the USA.()2. A. Welcome back! B. Welcome back to school!()3. A. I’m a student. B. I’m a teacher.()4. A. We are friends. B. We have two new friends today.()5. A. Baobao is a boy. He is from Beijing.B. Lingling is a girl. She is from Nanjing.四、听录音, 选出与你所听内容相应的答语。
(10分)()1. A. I’m from Canada. B. I’m a student.()2. A. My friend is Wu Yifan. B. My name is Wu Yifan.()3. A. Hi, I’m Chen Jie. B. Hi, I’m from China.()4. A. She is Miss White. B. He is Mr Jones.()5. A. She is from the UK. B. He is from Australia.笔试部分(60分)五、选出与所给单词同类的一项。
人教版(PEP)三年级英语下册第一单元测试卷-Unit 1 含答案
人教版PEP三年级英语下册第一单元测试卷Unit 1 Welcome back to school一、不同类的一项( )1．A. Mr. B. Miss C. mum( )2．A. she B. friend C. he( )3．A. new B. big C. friend( )4．A hand B. boy C. girl( )5．A. he B. she C. this二、选词填空6．friends again student back from1.Welcome _______to school.2.Where are you ________?3.We have two new _______today.4.Nice to see you ________.5.She is a new _______.三、单项选择( )7．Hi,this is Miss Green.She’s a __________.A. teacherB. studentC. pupil( )8．Talk about ________teacher,please.A. youB. meC. your( )9．----What’s your name?----_____________A. I’m from Canada.B. My name is Mike.( )10．----Where are you from?----_____________A. I’m from Canada.B. My name is Mike.( )11．Mr Jones,this ________Sarah,She's a new student.A. isB. amC. are( )12．_______are you from?A. WhereB. What( )13．This is my friend,Amy._____A. Hi.Nice to meet you.B. How are you?C. Are you OK? ( )14．_____is a girl and her name is Sarah.A. sheB. HeC. She( )15．Let’s play _____game.A. aB. theC. /( )16．-Where are you from?-I’m from _________.A. ChinaB. UKC. USA四、情景选择( )17．你向你的家人介绍格林小姐时，应该说：A. I’m Miss Green.B. This is Mr Green.C. This is Miss Green.( )18．新学期开始了，你见到新的同学，你会说：A. Nice to meet you.B. Who are you?C. Nice to see you again.( )19．你的朋友从北京来广东找你玩，你会对你朋友说：A. Welcome to Beijing.B. Goodbye.C. Welcome to Guangdong.( )20．班上来了新同学，你不可以说：A. Thank you!B. Nice to meet you.C. Welcome!( )21．你想对新同学说“欢迎回到学校！”，应该说：A. Let's go to school.B. Welcome back to school！五、对话连线22．( ) 1.What’s your name?( ) 2.Where are you from( ) 3.This is my friend,Mike.( ) 4.I am a student.( ) 5.Where is Mike from?( ) 6.Good morning!( ) 7.Thank you.( ) 8.How are you?( ) 9.Hello,I am Wu Binbin.( ) 10.What’s this?A. Good morning!B. You’re welcome.C. He’s from Canada.D. My name is Chen Jie.E.Me too.F.Hi,Mike.Nice to meet you.G.Hi,I am Sarah.H.It’s a tiger.I.Fine,thank you .J.I’m from Hainan.六、补全对话23．Miss Liu:Welcome back to school,boys and girls.1.________Students:Nice to see you，too.Miss Liu:We have a new friend today.This is Mr Li.2.________Students:Welcome，Mr Li!3.________Mr Li:Nice to meet you too.Students:Where are you from？Mr Li:Miss Liu is from Shanghai.4.________What about you?Li Y ang:I'm Li Y ang.I'm from Tianjin.This is my deskmate (同桌).He's Zhang Ming.5.________A. He is from Beijing.B. I'm from Shanghai, too.C. He is your new teacher.D. Nice to see you again.E.Nice to meet you.七、连词成句24．he,is,Lily,from,USA (.)______________________________________. 25．from,are,where,and,Amy,Mike (?)______________________________________. 26．from,China,I’m (.)______________________________________. 27．from,where,you,are (?)______________________________________. 28．She new is a student (.)______________________________________.八、句子排序29．A. Where are you from, Lee?B. Welcome!C. Good morning,boys and girls.D. This is Lee.He’s a new student.E.Good morning,Mr Liu.F.I’m from Beijing.C______________________________九、选择合适的选项完成对话。