搜档网
当前位置:搜档网 › 2018年最新广东版开心学英语四年级上册全册教案

2018年最新广东版开心学英语四年级上册全册教案

2018年最新广东版开心学英语四年级上册全册教案

Unit1 School Subjects 学导设计

学导目标:

1、掌握四会单词English、subjects、Chinese、music;会用本课重点句型What

subjects do you like …? 来进行提问和回答。

2、过程与方法:通过调查询问、小组合作等提高学生的语言表达能力。

3、情感态度与价值观:通过学习使学生树立合作、互助的观念,能积极与他人

合作,运用所学的英语进行交流,共同完成学习任务。

学导重点、难点:

1、能熟练地对上述四个单词进行听、说、读、写。

2、能熟练运用What subjects do you like? 来进行提问和回答。

3、能对句型What subjects do you like ? 进行拓展延伸。

教具:各科书籍,录音带 CAI

课时:3

The first period

学导过程:

一、开课导入。

1、Read a chant.

2、Look at the picture cards and speak out the words..

二、探索体验。

1、看图片完成句子。

2、学习四会单词与句型What subjects do you like …?

3、通过上面的学习,我们知道了:询问他人的喜好科目应用什么句型。

4、Play a game.

5、学习Target.

A. Read after the tape.

B. Read the dialogue in pairs and groups.

C. Act out the dialogue and elect the best group.

三、拓展创新。

广东版开心学英语四年级下册全册教案

Unit 1 My school Target I. Sentences: 1. There’s a hall, a gym···· 2. How many classrooms are there? There are twenty-five classrooms. 3. Of course, Gogo! 4. I have an idea. II. Words: a teachers’ office , a library,a playground, a hall,an art room,a music room, a gym ,a classroom; III. Sounds and words: [u:] room moon cool classroom school noodles Materials Picture Cards 1-8, a teachers’ office , a library,a playground, a hall,an art room,a music room, a gym ,a classroom;

The first period Step 1 Review 1. Do you know…? 2. How many words do you know? Step 2 V ocabulary Getting ready Put Picture Cards 1-8 on the blackboard. T: Look at the Picture Cards. Say each word as you hold up the Picture Cards T: Now listen and repeat. Hold up each Picture cards. And say the word. Give Ss time to repeat. Using the book T: Listen to the disc and repeat. Point to each subject as you say it. Play the disc and have Ss repeat each word. T: Is this an art room? (Point to a music room Picture card.) Ss: No, it isn’t. It’s a music room. Model if necessary. Repeat with several Picture Cards. T: Close your books. T: (Hold up various Picture Cards and repeat.) what is it? Ss: It’s a …. Extension activity Step 3 Practice 2 T: What can you see? (S1:A gym```) T: Now read the questions. Have Ss read the questions together.

广东版开心学英语四年级复习要点

广东版开心学英语四年级下册复习点 Unit1MySchool Target 1.’sahall,agym,ateachers’office. 2.Howmanyclassroomarethere? Thereare__________________.【复数】 3.What’sinyourschool? Thereis__________________.【单数】 ※就近原则:Therebe句型中be动词的单复数形式由后面挨近的一项的单复数决定。例:Thereisabookandtwopencilsonthedesk. 又如:①那里有一本书和两只猫:Thereisabookandtwocats. ②那里有两只猫和一本书:Therearetwocatsandabook. Unit2OurNewHome Target 1.Isthere_________________?Yes,itis./No,itisn’t. 例:Istherealivingroominyournewhome? Yes,itis. 2.Arethere_________________?Yes,thereare./No,therearen’t. 例:Aretheretwobedroomsinyourdreamhome? Yes,thereare. 【作文】P18Drawyourdreamhomeandwriteaboutyourdreamhome. Thereare__________________________________. Thereare__________________________________. Thereare__________________________________. There’s___________________________________. There’s___________________________________. Unit3BankorBeach? Target 1.Whereareyougoing?

广东版开心学英语四年级上册期末复习资料

广东版开心学英语四年级上册期末复习资料 Unit 1 1.Do you like math? Yes, I do. / No, I don’t. 你喜欢数学吗?是的,我喜欢。/不,我不喜欢。 2.What subjects do you like? I like art and music. 你喜欢什么科目?我喜欢美术和音乐。 3.Where is my English book?It’s on the desk. 我的英语书在哪里?它在桌子上。 4.Where are my socks? They’re under the bed. 我的袜子在哪里?他们在床下。 5.What can you do in music class? I can sing. 在音乐课上你能做什么?我能唱歌。 6.How many subjects do you have? I have seven. 你有多少个科目?我有七个。 7.Writing:Gogo is my good friend. He likes P.E. and art. He likes drawing and he can Gogo 是我的好朋友。他喜欢体育和美术。他喜欢画画,他能画得很draw very well. He doesn’t like math. That’s not good. 好。他不喜欢数学。这不太好。 Exercise: 1.你喜欢什么科目?我喜欢英语。 ____________ ___________ do you ___________? I _________ ______________. 2.你喜欢体育吗?不,不喜欢。我喜欢美术。 Do you like _______? No, ___________ __________. I _________ ____________. 3.I can run in ___________ class. I can draw in ___________ class. 4.回答下列问题。 A.Do you like science? _______________________________________________

广东开心学英语四年级下册期中试卷

四年级第二学期测试 班别: 姓名: 成绩: 一、听力部分 一、把你所听到的单词、短语或句子的序号填在题前的括号里。 ()1、A. wave B. have C. move ()2、A. working B. thinking C. talking ( )3、A. ginger B. finger C. guitar ( )4、A. making the bed B. washing the clothes C. watering the plants ( )5、A. go to the park B. go to the bank C. go home ( )6、A.at 6:15 B. at5:30 C. at 7:35 ( )7、A. Gogo’s toes B. T ony’s teeth C. Ben’s shoulder s ( )8、A. He’s practicing volleyball. B. She’s playing badminton. C. They’re practicing basketball. ( )9、A. What are you doing? B. Where are you going? C. What time is it? ( )10、A. Touch your knees. B. Put your pen on the desk. C. Put your desk next to the table. 三、听录音,填空。 1、I up at 7:00 and breakfast at 7:15. 2、Let’s go to the . 3、It’s very hot. We are going to the . 4、What are you ? I am the desk. 5、He’s . They’re . 二笔试部分

(完整版)广东版开心英语四年级下册

广东版开心英语四年级下册 改写句子 一、陈述句变成一般疑问句:1、把is am are (was were) can may would will should 提到句首并大写,其余照抄,句号改成问号。 2、如果没有is am are (was were) can may would will should,则用来do, did ,does 开头来提问(如果动词是原形,用do开头来提问;如果动词带有s或es,用does开头来提问:如果动词是过去式,用did开头来提问)加did ,does后动词要回到原形。 3、见I’m改成Are you;I was 改成were you ;如果句子里有I 和we,则改成you;如果有my和our,则改成your;有some和many,则改成any. 二、一般疑问句变成陈述句:1、一般直接把is am are (was were) can may would will should放在第一个名词或人称代词he, she, it, they, I ,we, you 后面,其余不变。 2、以do, did ,does开头的一般疑问句,可以将do, did ,does直接删除,其余照抄。删除do 其余不变;删除does后要在动词后加上s或es;删除did后,动词要变为过去式。 3、如果句子中有you则要改成I 或we,有your就要改成my 或our, 有 a ny 就要改成some 或 many,。 三、肯定句变成否定句:1、直接在is am are (was were) can may would will should后面加上not , 其余不变. 2、如果没有is am are (was were) can may would will should,就直接在句中动词前加 don’t,doesn’t didn’t, 加后动词回到原形。(如果动词是原形用don’t;动词带有s或es,用doesn’t;动词是过去式,用didn’t.) 3、见到some和many,就改成any 四、否定句变成肯定句 1、一般直接去掉not , 其余不变. 2、带don’t,doesn’t didn’t的否定句,直接将don’t,doesn’t didn’t去掉。去掉don’t,其余不变;去掉doesn’t, 动词加上s或es;去掉didn’t,动词变成过去式。 3、见到any,就改成some或many。 五、对一般疑问句作肯定回答:Yes,____________.否定回答:No,____________. 后面部分根据具体情况而定。

最新广东版开心学英语三年级下册 Culture 1 教案 及练习

三年级下学期英语教案 Culture 1: Names The first period Teaching Aims: Know the names in English-spoken countries Key points: 1. To learn the sentences: Hello, Mrs. Green. Good morning, Miss Black. 2. To learn the words: Mr., Mrs., Miss, Liu Xiang, Deng Yaping, Ye Li, Yao Ming Difficult points: To read the new words correctly. Teaching Materials: Famous people or celebrities’ pictures, Picture Cards, Who is …? Teaching Procedure: Step1: Warm up Review Tim’s family tree. Prepare the picture of Tim’s family tree in SBW P32 and tape it on the blackboard.

Step2: Look, match and learn. A.Ask Ss to match the pictures and the titles. B.Read the words Mrs. ,Mr., Miss, Green, Black C.Learn the culture of English spoken countries: ★People in English spoken countries usually use the words of colors for the family names, such as: white -----White green------Green black----Black red ----- Red ★Tell the class the follow facts: Mr. is an abbreviation of mister and is the title that comes before the first name and the surname of a man, e.g. Mr.(John) Brown. Mrs, is the title that comes before the first name and the surname of a married woman e.g. Mrs. (Jane) Brown. Miss is the title that comes before the first name and the surname of an unmarried woman of kept by a married woman e. g. for professional reasons:Miss(Gloria)

广东版开心学英语四年级上册Unit 1-3测试题

四年级第一学期英语月考Unit 1-3(一) 班别:______ 姓名:_________ 学号:_____ Part 1 听力部分 一、听录音,用阿拉伯数字给图片或单词标号。(10分) ( ) ( ) ( ) ( ) ( ) Chinese science dance English violin ( ) ( ) ( ) ( ) ( ) 二、听录音,把相应的选项连起来。 三、听录音,判断句子正误,对的写“T”,错的写“F”。 ( ) 1. I like English and art. ( ) 2. I don’t like music and Chinese. ( ) 3. She is reading English. ( ) 4. They are painting. ( ) 5. I play basketball on Friday. ( ) 6. He’s studying. ( ) 7. We swim on Saturday. ( ) 8. She likes P.E.. ( ) 9. We play the violin on Tuesday. ( )10. Jenny is singing. 四、听录音,选出问句的答语,把字母代号填在题前的括号里。 ( ) 1. A. I like science. B. It’ s Thursday.

( ) 2. A. Yes, we do. B. I’m studying. ( ) 3. A. Yes, it is. B. It’s Saturday. ( ) 4. A. I play the piano on Monday. B. I am playing the piano. ( ) 5. A. It’s red. B. It’s ten o’clock. 笔试部分 一、写出下列动词的现在分词(10分): sleep ____________ dance ___________ study _________ fish _____________ run _____________ swim ____________ read __________ play _____________ write____________ paint _________ 二、选词填空,完成句子(10分): 1.__________ is it today? It’s Saturday. 2.__________ is Gogo? It’s on the box. 3.What’s ________ doing? She’s writing. 4.______________ is it? It’s twelve o’clock. 5.______________ is it? It’s yellow. 6._______ she have glasses? Yes, she does. 7._______ she sad? No, she isn’t. 8._______ that girl? She’s my sister. 9.______ are you doing? I’m fishing. 10._____________ do you like? I like music, art and English. 三、单项选择(10分): ( ) 1. _______ they like English? Yes, they do.

广东版开心学英语六年级下册教案

—-可编辑修改,可打印—— 别找了你想要的都有! 精品教育资料——全册教案,,试卷,教学课件,教学设计等一站式服务——

全力满足教学需求,真实规划教学环节 最新全面教学资源,打造完美教学模式 Unit 1 A Parade Day 1.教学目标: 语言目标:What did you do yesterday? I played basketball. What did you do the day before yesterday? I played basketball,then, too. 2.教学重点、难点: a. v-ed: used, studied, played, visited, ran, talked, jumped, cleaned b. Passes: last night, the day before yesterday, last Sunday 3. 教具: pictures, word cards, a basketball/football, tape, recorder 4.教学过程:

The first period Step 1 Revision a. v-ed using pictures and word cards . b. Ask and answer using pictures. eg. T: What did Jenny do yesterday? P1: She painted. T: Did you painted yesterday? P1: Yes, I did/No, I didn't. Step 2 Presentation a. Ask and answer using pictures. T: Tom, what did you do yesterday? P2: I played watched TV. T: What about you, Peter? P3: I watched TV, too. T: Mary, what did you do yesterday? P4: I basketball/football. T: What did you do the day before yesterday? (Repeat.) P4: I played basketball/football, too. T: You can say, "I played basketball/football, of course." (Repeat.) (Write "the day before yesterday" , " of course" and sentences

广东版开心学英语四年级下册Unit 2《Our New Home》练习题

Unit 2 Our new home 单词掌握living room, dining room, bedroom, kitchen, bathroom, garden 重点句型1 We’re moving to a new home. 句型2 Is there a bedroom for me? 句型3 What about a garden? 句型4 There is a kitchen. There are two bedrooms. 句型1 We’re moving to a new home. (带入apartment, house) 句型2 Is there a bedroom for me? 回答:Yes, there is. There is a bedroom for everyone. Is there a living room ? 回答:Yes, there is. And there is a dining room, too. 句型3 What about a garden? There isn’t a garden, but there are three bathrooms 句型4 肯定句: There is a kitchen. There are two bedrooms. 否定句: There isn’t a kitchen. There aren’t two bedrooms. 疑问句: Is there a kitchen? Are there two bedrooms? 肯定回答:Yes, there is. Yes, there are. 否定回答:No, there isn’t. No, there aren’t. 一.听录音,给下列图片排序

广东版开心学英语四年级下册Unit 2《Our New Home》练习题

Unit 2 Our new home 单词掌握living room, dining room, bedroom, kitchen, bathroom, garden 重点句型1 We’re moving to a new home. 句型2 Is there a bedroom for me? 句型3 What about a garden? 句型4 There is a kitchen. There are two bedrooms. 句型1 We’re moving to a new home. (带入apartment, house) 句型2 Is there a bedroom for me? 回答:Yes, there is. There is a bedroom for everyone. Is there a living room ? 回答:Yes, there is. And there is a dining room, too. 句型3 What about a garden? There isn’t a garden, but there are three bathrooms 句型4 肯定句: There is a kitchen. There are two bedrooms. 否定句: There isn’t a kitchen. There aren’t two bedrooms. 疑问句: Is there a kitchen? Are there two bedrooms? 肯定回答:Yes, there is. Yes, there are. 否定回答:No, there isn’t. No, there aren’t. 一.听录音,给下列图片排序

最新广东版开心学英语六年级下册Unit-

Unit 1 温故知新 一、Read and choose. 从方框内选出正确的单词完成句子。 ( ) 1. We ______ trees yesterday. ( ) 2. Did Gogo ______ Jenny? ( ) 3. They ________ trees every year. ( ) 4. The boys are ________ pictures. ( ) 5. Lisa ______ to school on foot from Monday to Friday. 听说训练 二、Listen and circle. 听录音,圈出正确的内容。 1. clean 2. close 3. cloud 4. study 5. run clever class loud student ran 三、Listen and number. 听对话,给图片标序号。 1. 2. 3. ( ) ( ) ( ) 4. 5. 6. ( ) ( ) ( ) 四、Listen and choose. 听短文,选择正确的答句。 1. A. Yes, I did. B. Yes, he did. C. No, she didn ’t. 2. A. I played basketball. B. I practiced the piano. C. I visited friends. 3. A. We cleaned the windows. B. We played the violin. C. We studied English. 4. A. They played basketball. B. I watched TV. C. She visited friends. 5. A. No, I watched TV. B. Yes, I watched TV. C. Yes, it is. 五、Listen and judge. 听短文,判断句子对(T )错(F). ( ) 1. I was in the park in the morning. ( ) 2. My shoes were very dirty before. ( ) 3. I played basketball with my friends in the afternoon. ( ) 4. I watched TV and listened to music in the evening. ( ) 5. Yesterday was Sunday. (Yesterday was Saturday. I didn't go to school. In the morning, it was hot. I stayed at home. I washed my dirty shoes. In the afternoon, I went to the park. I played basketball with my friends.

开心学英语四年级语法知识整理

广东版开心学英语四年级语法知识整理 一、动词变形: 1、什么时候该加ing?⑴be 动词(is am are)后;⑵like/go 后。 2、动词ing怎么加? ⑴动词倒数第二的字母是辅音,最后一个字母是e时,要去掉e再加ing。 如: dance---dancing跳舞write---writing写have---having有skate---skating溜冰 exercise---exercising锻炼,练习 make---making制作practice---practicing练习 ice-skate - ice-skating ride-riding dance-dancing ⑵两个辅音字母夹着一个元音字母时,要双写最后一个字母,再加ing。 例如:swim---swi mming run---ru nning shop---sho pping sit---sit ting cut---cu tting get—getting jog---jog ging put---pu tting(放)stop---sto pping(停止) 注意:但若第二个音节重读时,则不用。 ⑶其他情况直接加ing。 如:do ---doing 做go--- going 去study---studying学习paint---painting 绘画eat---eating 吃sleep---sleeping 睡觉fish---fishing 钓鱼fly---flying 飞sing---singing 唱draw---drawing 画画 wash --- washing 洗play --- playing 玩watch --- watching观看sweep—sweeping扫地、打扫clean---cleaning清洁/擦fold---folding折叠work---working工作talk---talking谈话help---helping帮助think---thinking思考、想shout---shouting叫喊wait---waiting等候read --- reading阅读 listen --- listening听cook---cooking烹调(煮) color--- coloring 涂颜色dust---dusting除尘dry---drying弄干 3、什么时候该用动词原形? ⑴情态动词(can,can't,may,may not,do,does,don't,doesn't)后面。 ⑵to,Let's后面。 4、遇到第三人称单数的时候: ⑴do要变成does。 ⑵动词要加s,如wants,likes ★小要诀:考虑动词的变形问题是:首先考虑动词不需要变形即动词原形的情况,其次考虑动词ing是否要加,最后考虑第三人称加S的形式。 4、第三人称单数: he /she/ it 和其他人或物如:Gogo, mother,the dog等 一、人称代词he, she, it是第三人称单数。如: He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。It likes banana. 它喜欢吃香蕉。 二、单个人名、地名或称呼作主语;是第三人称单数。如: ①Jenny does homework everyday. ②Beijing is in China. 北京在中国。 ③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。④My mother wants a guitar. 5.Lily gets home at 6:00. 6.Mr. wang goes to work from Monday to Friday. 王先生从星期一到星期五工作。 三、单数可数名词或"this / that / the+单数可数名词"作主语时,是第三人称单数。如:①The girl wants two toy bears. ②This book is yellow. 这本书是黄色的。 ③That car is eating . 那只猫正在吃。④The cat is Lucy's. 这只猫是露茜的。

广东版开心学英语三年级上册全册教案

开心英语三年级第一学期教案 Unit 1 Hello! 一、知识与技能 Objectives and Requirements Language Target: -What’s your name? -I’m Jenny. -What’s your name? -I’m Gogo. Additional: Nice to meet you. Alphabet: a , b , c Vocabulary Key: hello , hi , goodbye , bye Additional: Gogo , Tony , Jenny , Boomer , Bonnie Alphabet: apple , banana , cat Materials 1)Picture Cards 1-2 plus Tony,Jenny and Gogo;pictures from magazines of people waving,greeting and departing. 2)What’s your name? a large piec e of paper,tape,Character Cards 二、情感态度与价值观:教育学生讲礼貌,会用Hello/Hi!Goodbye/Bye!等与他人打招呼。并让学生体会到学习英语的快乐。 三、过程与方法: Lesson 1 Story & Vocabulary Getting ready ·Write my name on the board. ·T: Hello! I’m (T’s name). ·Encourage Ss to introuduce themselves. Model the sentences if necessary. ·When Ss understand what they should do,do it again to give Ss a chance to learn their classmates’names. Using the book ·Before opening the book,show Picture Cards of Gogo and Tony. ·Put the Picture Card of Gogo in front of your face. ·T: Hello! I’m Gogo. ·Do the same with the Picture Card of Tony. ·T: Look(Point to your eyes.)and listen.(Put your hand to your ear.) ·Play the tape and move the Picture Cards like a puppet show. ·T: Now open your books. ·Model opening the textbook. ·Have Ss look at the page and play the tape again. ·Play the tape again,but this time pause after each line to have Ss repeat.

广东版开心学英语四年级下册期末英语习题、知识点

四年级下册考试知识点总结 心中有数,才能马到成功,还有最后一周的时间,请大家把总结打印出来按要求把所有的考试知识点复习到位,该默写的要全部会默写,该熟练朗读的要熟练,祝每个同学都可以在期末考试达到自己的目标分,考出理想的成绩,为本学期的英语学习画上圆满的句号,加油哦!相信你们都是最棒的! 姓名__________ 一、单词词组过关:8个单元重点单词全部会默写,并对照图片理解其汉语意思Unit1 a teachers’ office a classroom a hall a library(libraries) 一间教室办公室一间教室一个礼堂一个图书馆a music room an art room a gym a playground 一间音乐室一间美术室一个体育馆一个操场Unit2 a living room a dining room a bedroom 一个客厅一个餐厅一个卧室 a kitchen a bathroom a garden 一个厨房一个浴室一个花园 Unit3 a movie theater a swimming pool a hospital a bank 一个电影院一个游泳池一个医院一家银行 a shopping mall a restaurant a park a supermarket 一个购物中心一个餐馆一个公园一个超市Unit4 go to the zoo buy an ice cream call my friend 去动物园买一个冰淇淋给我的朋友打电话borrow a book watch TV listen to a song 借一本书看电视听一首歌 Unit5 a coat a dress a shirt a T-shirt 一件外套一条连衣裙一件衬衣一件T恤 a sweater a cap shorts shoes 一件毛衣一顶帽子短裤鞋子 Unit6 a taxi driver a firefighter a police officer a writer 一辆出租车司机一个消防员一个警察一个作家an office worker a firefighter a police officer a writer 一个办公室工作人员一个消防员一个警察一个作家Unit7 动词ing ice-skating listening to music watching TV 滑冰听音乐看电视 riding a bike playing cards making models 骑自行车玩扑克做模型

广东版开心版四年级英语下册原创全套教案

广东人民开心学英语(三年级起点)四年级下册全册教案 Unit1 第1课时参考教案 一、教学内容 广东人民开心学英语(三年级起点)四年级下册 Unit1 My School 二、教学过程建议 (一)热身导入 1. Do you know…? 2. How many words do you know? (二)任务呈现 1. Getting ready Put Picture Cards 1-8 on the blackboard. T: Look at the Picture Cards. Say each word as you hold up the Picture Cards T: Now listen and repeat. (Hold up each Picture cards.) And say the word. Give Ss time to repeat. (三)课文学习 1. Using the book T: Listen to the disc and repeat. Point to each subject as you say it. Play the disc and have Ss repeat each word. T: Is this an art room? (Point to a music room Picture card.) Ss: No, it isn’t. It’s a music room. 2. Model if necessary. 3. Repeat with several Picture Cards. T: Close your books. T: (Hold up various Picture Cards and repeat.) what is it? Ss: It’s a … 4. Extension activity. (四)训练巩固 T: What can you see? (S1: A gym…)

(word完整版)广东版开心学英语五年级下册Unit3练习题

一.写出下列单词的散弹形式、现在分词和动词过去式: break _________________ __________________ __________________ sweep_________________ __________________ __________________ sit _________________ __________________ ___________________ like _________________ __________________ ___________________ 二.根据提示,用单词或者短语的适当形式填空: Last Sunday, I ___________ very busy. I ____________<去>to the park with my _____________<十二个>friends. We ______________<骑>our bikes there. We ____________<唱>songs together and we _______________<读>comics books under the big tree. After that we ______________thirsty and hungry. So we ________________<喝>some juice and ________________<吃> some ______________<烤面包> in the shop. In the afternoon I visited my grandfather. What a busy day! 三.单项选择: < >1.What did you eat _____________ Monday morning? A. on B. in C. at < >2.What did you do ________ the morning? A. on B. in C. at < >3.His mother went _____ a trip last winter holiday. A. on B. in C. at < >4.It’s time _______ go home. A. to B. for C. on < >5.It’s time _________ breakfast. A. to B. for C. on < >6.___________ your father go to Canada last month? Yes, he did.. A. Do B. Does C.Did < >7.I cleaned the kitchen and Jenny __________ the dishes. A. washes B. washed C. washing < >8.What did you eat __________? A. now B. this morning C. tomorrow < >9. I __________ a model with my cousin the day before yesterday. A. makes B. made C. making < >10 He ______ on the chair and watched TV. A. sits B. sat C. sitt

相关主题