Unit 1 Hello Again!-【快乐优+】2024-2025学年四年级下册英语作业本（冀教版 三起）

参考答案 四年级下册英语N Unit 1 Hello Again! 八、 My Friend This is my friend.Her name is Judy.Her 单元思维导图 hair is long and black.Her eyes are big.She is 1.pencil 2.blackboard 3.your ten years old.Her favourite food is hamburgers. 4.whose 5.beside 6.behind Her favourite colour is pink. 7.friend 8.on the desk Lesson 2 Is This Your Pencil? 9.Fine,thanks 10.in the classroom 听力原文 Lesson 1 How Are You? 一、Mr.Wood在领读句子，听一听，选择正确的单 听力原文 词补全句子。 一，Mr.Wood正在领读本课句子，快去听一听他 1.It's a ruler. 读的句子对应下面哪幅图片，并按照顺序排一 2.Whose pen is it? 排吧。 3.It's not her pencil. 1.Her name is Kim. 4.Where is my crayon? 2.I'm your new teacher. 二、失物招领处有几样文具，一起来听一听M 3.These are my friends. Wood和管理员的对话，帮它们找到主人并连 4.He is a new pupil. 一连吧。 5.Welcome back to school. 1.-Whose pen is this? 二、课上，Mr.Wood向同学们说了几个句子，快帮 -It's Kim's pen. 同学们选择相应的答语吧。 2.-Whose pencil box is this? 1.Hello,Danny! -It's Steven's pencil box. 3.-Whose crayon is this? 2.Nice to meet you. 3.How are you? -It's Jenny's crayon. 4.-Whose ruler is this? 4.Jenny,this is Steven. -It's Danny's ruler. 5.You can call me Mr.Wood. 5.-Whose pencil is this? 答案 -It's Li Ming's pencil. 一、35241 答案 二、1.A2.B3.A4.B5.A 一、1.A2.D3.B4.C 三、l.pupil2.teacher3.friends4.you 二、1-B2-E3-D4-A5-C 5.name 三、l.my2.your;his3.Whose4.her 四、1.A2.C3.B4.C 四、l.No,it isn't 五、l.You can call me Mr.Wood. 2.Whose ruler is it? 2.Welcome back to school. 3.Where is the crayon? 3.What is his name? 4.This is my new pencil box. 4.His name is Steven. 五、1.B2.A3.B 六、1.C2.D3.B4.A 六，l.pencil box2.pen3.ruler 七、1.C2.A3.D4.E5.B 4.crayons 5.pencil 。1· 七、1.T2.F3.T4.F5.F 二、Sarah的第二项比赛是抢答，仔细听主考老师的 Lesson 3 Where Are They? 问题，选择相应的答语吧。 听力原文 1.What's your name? 一、Jenny和Steven在玩“你说我看”的游戏，快去 2.Is this Tom's pencil? 看一看Steven手中的图片与Jenny说的句子 3.Whose crayon is this? 是(T)否(F)一致吧。 4.Where is Danny? 1.There is a blackboard in the classroom. 5.How are you? 2.It's my chair. 三、Nancy也参加了听力比拼，一起来听一听，然后 3.This is David's desk. 根据听到的对话，选择恰当的图片。看谁选得 4.I have a schoolbag. 又快又正确，加油！ 5.This is our classroom. 1.-Where is the cat? 二，Mr.Wood在班里领读本课句子呢，快去按照 -It's under the chair. 你听到的顺序给下列句子排一排吧。 2.-What's on the desk? 1.The chair is beside the desk. -A ruler. 2.The book is under the pencil box. 3.-Is this a blackboard? 3.The ball is on the chair. -Yes,it is. 4.The pencil box is between the pen and the 4.-Nice to meet you. pencil. -Nice to meet you,too. 5.The book is in the schoolbag. 5.-What's this? 答案 -It's a pencil. -、1.T2.F3.F4.T5.T 答案 二，41253 -、1.C2.C3.A4.B5.B 三、l.schoolbag2.desk3.blackboard4.chair 二、1.A2.B3.B4.A5.B 5.beside 三、1.B2.B3.A4.A5.B 四、1.C2.B3.A4.A5.C 四、l,your2.name3.beside4.not5.pens 五、1.B2.D3.A4.C 五、l.pen/ruler;pencils;ruler/pen2.on 六、1.T2.F3.T4.T5.F 3.beside 4.in 5.between t,1.on 2.desk 3.between the desk and the 六、1.D2.B3.E4.A5.C bed 4.on the schoolbag 5.beside the bed 七.1.F2.T3.F4.T5.F 快乐双休（一） Lesson 4 How Many Books 听力原文 Are There? 一、Sarah参加了听力大比拼，快去听一听主考老师 听力原文 说的句子中含有以下哪些单词吧。 一、Mr.Brown的商店有了新的物品，一起来听 1.This is Lily's crayon. Mr.Brown清点它们的数量，判断下列图片与 2.I have a new friend. 所听内容是(T)否(F)相符吧。 3.Mr.Smith is a teacher. 1.There are nineteen apples. 4.The dog is between the two balls. 2.There are ten desks. 5.What's in the pencil box? 3.There are sixty oranges. 。2 4.There are fourteen erasers. 2.Danny is behind the box. 5.There are twenty balls. 3.Danny is between the two boxes. 二、Mr.Lee正在领读句子，快来听一听下列句子 4.Danny is under the box. 与Mr.Lee读的内容是(T)否(F)一致吧I 5.Danny is beside the box. 1.How many books are there in my school- 答案 bag? -、1.B2.A3.B4.B5.A 2.There are twelve books. 二51243 3.Let's put eight books on the eight books. 三、1.F2.F3.T4.F5.T 4.How many chairs are there? 5.Can you say the numbers from twenty to 四、1.C2.B3.C4.C thirty? 五、1.A2.A3.A4.B5.A 答案 六，正确顺序：DA C B F E 一、1.T2.F3.F4.F5.T 七、1.F2.F3.T4.F5.F 二、1.T2.F3.T4.T5.F 八、1.F2.F3.T4.F5.T 三，l.twenty2.thirty3.forty4.fifty Lesson 6 Little Zeke 5.sixty 6.seventy 7.eighty 8.ninety 听力原文 规律：都是以y结尾。 一、Mr.Wood的小助手Lisa正在领读句子，听一 四、l.forty2.sixty3.sixteen4.fifty 听她读的句子中都含有哪些单词，试着选出来。 5.seventy eighty:seventy:sixty;fifty:forty;thirty;twenty 1.Emma has many friends. 六、l.ten2.five3.forty 2.He wants her to feel happy. 4.thirty-six 5.fourteen 3.He helps Emma. t、l.一How many apples are there? 4.She hides behind her desk. -There are ninety apples. 5.I want to help my friend. 2.-How many rulers are there? 二、Mr.Wood正在领读句子，听一听他都读了哪 -There are fifty rulers. 些句子，试着选出来。 八、1.F2.F3.F4.T5.T 1.She is Little Zeke's friend. Lesson 5 Where Is Danny? 2.Is this your apple? 听力原文 3.Where is my pencil? 一、Mr.Wood在教室领读句子，快去听一听他读 4.Little Zeke wants to help Tess. 到哪些句子，然后选一选吧！ 5.He hides in Emma's desk. 1.Where is Jenny? 答案 2.He is beside the box. -、1.A2.C3.C4.C5.A 3.He's playing a game. 4.He is in the front of the classroom. 二、1.A2.A3.B4.B5.A 5.She is between the boxes. 三、l.boy2.friend3.apple;on4.new;behind 二、Danny根据老师的口令依次站在了不同的位 四、1.A2.B3.B4.A5.B 置，按照老师的指令给下列图片排一排吧。 五、1.C2.E3.A4.B5.D 1.Danny is in front of the box. 六、1.A2.B3.B4.A5.B 。3 快乐双休（二）】 ten 听力原文 一、课下，Sarah组织同学做“你说我选”的游戏，以 sixty forty 便让Julia更快融入集体。快来听一听他们都 说了什么，帮Julia找出对应的图片吧！ thirty 1.There are thirty boys in my class. 九、1.B2.E3.A4.D5.C 2.The girl is between the boys. 十、(-)1.A2.B3.B 3.Is this Lily's pen? (二)4.会叫的狗不咬人。 4.Where is my schoolbag? 5.The dog is under the chair. Unit 2 Days and Months 二，Sarah也鼓励Julia课上积极回答问题。听！ 单元思维导图 Mr.Wood正在领读句子，听一听他都读了哪 1.sunny2.warm3.多风的 4.weather 5.snow 6.在十二月 些句子，帮Julia选出来吧 7.元旦8.春节9.儿童节 1.Let's put the chair under the desk. 10.May 2.This is Kim.She is my new friend. Lesson 7 Months of the Year 3.There are twenty girls in the class. 4.She is in the classroom. 听力原文 5.She is reading a book. 一、Miss Black在领读句子，听一听句子中提到了 哪个月份，选择对应的图片吧！ 三、，课上，老师组织了“你问我答”的游戏。一起来 听一听Mr.Wood说了什么，动动脑筋，帮 1.My favourite month is February. 2.My father's favourite month is March. Julia选一选答语吧！ 3.My mother's favourite month is July. 1.Whose ruler is this? 4.August is cool. 2.Where is the boy? 5.November is cold. 3.How many books do you have? 二、你最喜欢哪个月份？先来听一听班里其他几位 4.Where is Lynn? 同学的最爱，然后完成下面的表格吧。 5.How are you? 1.-What's your favourite month,Li Mei? 答案 -My favourite month is June. -、1.A2.B3.B4.A5.A 2.-What's your favourite month,Jenny? 二、1.A2.B3.A4.A5.B -My favourite month is August. 三、1.A2.B3.B4.B5.A 3.-What's your favourite month,Tom? 四、l.playing2.read3.girls -My favourite month is November. 4.behind 5.from 4.-What's your favourite month,Li Ming? 五、1.C2.B3.A4.B5.C -My favourite month is February. 六、1.B2.B3.A4.B 5.-What's your favourite month,Danny? 七、1.C2.E3.A4.B5.D -My favourite month is September. 。4Unit 1 Hello Again! 矿主题语境人与自我一生活与学习一身边的事物与环境 能g了解字付组合-，-在 字母组合+#在单词中的发音分别为i:山，ek.如：nal, 单词中的发音规则，并能 bed:组合在单词中的发音为：，u,如：.mk 根据读音规侧认汝单词 和学习有关的单词 笔peneil bos钻笔盒wn钢笔lrr直尺 m彩色培笔或粉笔、邰笔2 黑板dek5桌hair简了 honlbag书包 人称代词：y1你你们he他he她 物代词：3 你的：你们的hr她的bis他的 能够熟练宁握 与学习和方位 疑问代词：w仆么4. 淮的 有关的单词以 方位介词elween在…中间5. 二在…务边6 在…后间 数词：oiy四卜ify五十ixy六srvenly七十rigy人上iny儿上 及代词.数词 其他：hr教钟：老帅h㎡喂：你好表示问候等)i骑：你好非正式州讲= hello)name名字：名称7、 朋友ppil学作 折展词汇：ser橡皮lKk多dictionary词典；子典oiebonk笔记木knir小刀 ia front of在~前而in the classroom在教室里 read a book读书 能够熟练草杯介词画 the playground在操场上olay a game玩游戏new pencil bos新错 语，并能用其正确措 笔盒r:il你的褂笔my classmom我的较室 between...and... 述教室内各个物品或 在…和…中间8 在书桌上而in the schoolbag在书包里面 人物之问的位置关系。 kwy多少lm把一放在…十而fmo从…到 可别人问好及其同答的句型 问句：Hw山eyu?你好 容语9. 很好谢明。 问句：ls山isy0ur+物2 密语。Y,itis./Na,i1isn' 询问某物是否为某人所有的句型 一Is this your peneil,Jenny??这是你的皓笔吗.倍妮2 一X.itin'L不不是 向别人介绍某人的句型 This is...ITis /ler name:is. Jenny,.this is Steven.詹缇，这是斯蒂牙。 能够俐绕“学 校”这一上题 问何：How many+可数名词复数形式+ehee+其他？ 运用木单元洲 及的句型进行 询问共物数量的句型 答语只休数员 一How many hoss are there in y0rdas52你的班里有多少个男孩？ 问候、询问物 一Twenty..一十个 品属、数量 以及位置关系 并能进行简单 问句：Whnr+le动词+人？ 对活，以培蓉 询间某人在哪平的)型 答语。某人+he动词+介词语 同学]的合作 一Where is Dany丹尼在哪里？ 意识 -Hg'410. 他在教竿里 问句：Whc+可数名词中数+这+代i可this/that/i0? 狗间某物的归展的到 答语'+某人'4可数名时单数。 -Whee*eil is this?这是谁的铅笔？ i'Duny'sp地el是丹尼的铅笔 。快乐优+信业毒 四年级下册·英语·N Lesson1 How Are You?(答素见PI 叫醒耳朵2 1.I'm a p 一、Mr.Wood正在领读本课句子，快去听 一听他读的句子对应下面哪幅图片， 2.This is our t 并按照顺序排一排吧。 3.We are good f 4.Nice to meet y 5.Hello！Myn 常 is Li Yang. 李阳 二、课上，Mr.Wood向同学们说了几个句 子，快帮同学们选择相应的答语吧。 四、John遇到难题了，一起动动脑筋帮他 )1.A.Hello,Kim! 选一选吧。 B.Hello!My name is Danny. )1.You can call Miss Yang. )2.A.Nice to meet you. A.her B.she C.he B.Nice to meet you,too. 2.Nice meet you. 3.A.Fine,thanks. A.too;to B.too;two B.My name is Kim. C.to:too )4.A.Hi,Mr.Wood! )3.-How are you? B.Hello,Steven. thanks. 5.A.Nice to meet you,Mr.Wood. A.Very good B.Very well B.I'm your new teacher. C.Very much 快乐通关 04. is David.He is 三、Jenny向同学们展示了几幅图片，帮助 friend. 同学们填写合适的单词完成对图片的 A.This;me B.He;a 描述吧。 C.This;my ·。四年级下册·英语·N 快乐优士伟业车。 五、面对打乱的句子，Kim很头疼，动动手4 He is my friend. 帮她整理通顺吧。 1.call,you,Mr.me,Wood,can ( Hello.Jack. Tello,Ann. 七、新情境之人际交往Steven在向Lynn介 2.school,welcome,to,back (. 绍新朋友，一起来选一选，将他们的对 话补充完整吧。 3.name,what,his,is (? Steven:1. Lynn:Fine,thanks.And you? 4.Steven,is,name,his (. Steven:2. Lynn,this is my friend.3. He is a new 轻松升级 pupil.Jim,this is Lynn. Jim:Hello,Lynn! 六、断度之趣味表达Danny新创作了漫 Lynn:4. Nice to meet you. 画，快来给漫画加上合适的句子让它 Jim:5. 更完美吧。 A.Very well,thank you. A.Ann,this is Jack. B.Nice to meet you,too! B.What's her name? C.How are you,Lynn? C.Welcome back to school. D.His name is Jim. D.These are new pupils. E.Hello,Jim! 八、箭题型思维导图参考思维导图，帮助 I'm your new leacher. Linda介绍她的朋友吧。 pink favourite Judy colour long hamburgers favourile My Friend hair black f len hig age eyes Welcome. My Friend Her name is Ann. This is my friend. ·。快乐优信业毒 四年级下册·英语·N 3 Lesson 2 Is This Your Pencil? (答案见P1) 叫醒耳朵② 2.-Is this (you)ruler? 一、Mr.Wood在领读句子，听一听，选择 -No,it's (he)ruler. 正确的单词补全句子。 3. (who)pencil is this? A.ruler B.pencil C.crayon It's Tom's pencil. D.pen 4.-Is this Kim's pen? 1.It's a -Yes.It's (she)pen. 2.Whose is it? 四、Mr.Wood给同学们出了句子变形题， 3.It's not her 4.Where is my 你也来试一试，按老师的要求改写句 二、失物招领处有几样文具，一起来听一 子吧。 听Mr.Wood和管理员的对话，帮它 们找到主人并连一连吧。 1.Is this your pent?(作否定回答) Kim 2.It is Steven's ruler..(对画线部分提问) 2. Steven B 3.The crayon is on the desk.(对画线部 3 Jenny 分提问) Danny 4.new,pencil,this,box,my,is(.)(连词 成句) 5 L.i Ming E.酒： 快乐通关 轻松升级测 三、同学们在玩“单词大变身”的游戏，请 你用单词的正确形式补全句子吧。 五、面显，趣味表达课下，Jim和Linda 1.It is (I)crayon. 在利用各种文具练习本课句型，一起 ·。四年级下册·英语·N 快乐优士伟业车。 来看一看，然后选择合适的句子补全 in it.I have three 4. 他们的对话吧。 Is this your pen? This is a 5 like them. 七、面情学胶生活教室大扫除之后，同学 )1.A.Yes,it's her pen. 们把捡到的物品交给了班主任乔老师。 B.Yes,it is. 现在乔老师正在寻找这些物品的主人。 读一读，判断句子正(T)误(F)。 It's Ann's crayon. Miss Qiao:Whose is it? Chen Jie:It's my pencil,Miss Qiao. Miss Qiao:Here you are.Is this your )2.A.Whose crayon is this? ,to0? B.Whose bag is this? Chen Jie:No,it isn't.It's Mary's pen.My It's on the desk. pen is red. Miss Qiao:OK.Then whose 3.A.What's in it? is it? B.Where is my pencil box? Mike:It is my ruler. 六、Mike在介绍自己的文具，一起来看一 Miss Qiao:John,is this your 看，然后填写单词或短语完成他的表 述吧。 John:No,it isn't.Look,my crayon is in I'm Mike.This is my 1. my pencil box. )1.It's Chen Jie's pencil. What's in it?Let's see.There )2.Mary's pen is red. )3.This ruler is Mike's. )4.John's crayon is on the desk. is a 2. and a 3. )5.Their teacher is Mr.Qiao. ·。快乐优信业本 四年级下册·英语·N 5 Lesson 3 Where Are They'？(答见p2 叫醒耳朵② 2.The books are on the 一、Jenny和Steven在玩“你说我看”的游 3.There is a 戏，快去看一看Steven手中的图片与 in the classroom. Jenny说的句子是(T)否(F)一致吧。 4.The cat is under 127 the 5.The ball is the 3. box. 四、Jenny遇到难题了，请你开动小脑筋， 帮她选一选吧。 4.( 5.( )1.-What can you see in the 二、Mr.Wood在班里领读本课句子呢，快去 classroom? 按照你听到的顺序给下列句子排一 -I can see 排吧。 A.chairs B.desks C.A and B )The pencil box is between the pen )2.Kim is Jenny and and the pencil. Danny. )The chair is beside the desk. A.in B.between )The book is under the pencil box. C.on )The book is in the schoolbag. )3.-Where is Li Ming? )The ball is on the chair. A.He is in the classroom. 快乐通关 B.He is playing. 三、Chen Jie向同学们展示了几幅图片，帮 C.Yes.He is in the library. 助同学们填写合适的单词完成对图片 )4.新单厦，易错题一Is this Danny's 的描述吧！ schoolbag? -Yes,it is schoolbag. 1.I have a new A.his B.my C.your 6 ·。四年级下册·英语·N 快乐优士伟业车。 05.- is the schoolbag? -It's under the desk. A.What B.Whose C.Where )1.The box is beside the desk. 五、Jenny和Jack来到新教室，他们都看 )2.The pen is in the pencil box. 到了什么？一起来给对应的图片选择 )3.The schoolbag is under the 合适的对话吧。 desk. A.-What is this in the picture? )4.The book is on the desk. -It's a classroom. 5.The cat is between the desk and B.-What can you see in the pencil box? the chair. Six crayons. 七、L新撞之房间布置Nancy在介绍自己的 C.-Whose schoolbag is this? 房间，一起来看一看，然后根据Nancy -It's Tom's schoolbag. 的描述完成下面的句子吧。 D.-Where is Jack? My Room -He is beside the blackboard. Hello,I'm Nancy.Welcome to my room.It's not big but very nice.This is 23 my bed.My cat Mimi is on it.I have a big desk.Some books are on the desk.The chair is between the desk and the bed. My schoolbag is on the chair.My red hat is on the schoolbag.Oh!I have a small dog,too.Look!It's beside the bed.I like 3. 4. my room. 1.The cat is the bed. 轻松升级 2.The books are on the 六、L新度，趣味识图下面是Li Ming的书3.The chair is 桌，一起来判断下面的表述是(T)否4.The red hat is (F)正确吧。 5.The dog is 。快乐优作业牵 四年级下册·英语·N 快乐双休（一）（答肇见P2) ★新学期开始了，同学们又开始了新的学三、Nancy也参加了听力比拼，一起来听一 习旅程！学校为了让学生更快更好地 听，然后根据听到的对话，选择恰当的 进入学习状态，举行了英语知识竞赛， 图片。看谁选得又快又正确，加油！ 同学们踊跃报名参加了各种项目。 叫醒耳朵 A B 一、Sarah参加了听力大比拼，快去听一听 主考老师说的句子中含有以下哪些单 词吧。 )1.A.chair B.class C.crayon 3 )2.A.feel B.fifty C.friend )3.A.teacher B.time C.they )4.A.beside B.between C.behind B )5.A.whose B.what's C.where's 二、Sarah的第二项比赛是抢答，仔细听主 5. 考老师的问题，选择相应的答语吧。 A B )1.A.My name is John. 快乐通关 B.I'm in the classroom. 四、Lynn报名了词汇组，面对老师给出的 )2.A.No,I'm not. “二选一”题目很快就完美通关，你也 B.No,it isn't. 来试一试，选择合适的单词补全句 )3.A.It's Tim! 子吧。 1.I am (you your)new teacher. B.It's Tim's crayon. 2.Her (name/names)is Kim. )4.A.He is beside the desk. 3.Kim is between/beside B.He's happy. the box. )5.A.I'm ten years old. 4.This is (no/not)her crayon. B.Fine,thanks. 5.These are my (pen/pens). 8 ·。四年级下册·英语·N 快乐优士伟业车。 五、新角层，趣味识圆Lynn在玩“趣味识 Kim:He is reading books in the library. 图”的游戏，一起看图片，选择合适的 单词完成句子吧。 A.I am behind him. B.How many desks are there in pencils pen on in your classroom? beside between ruler C.Where is Tom now? D.Nice to meet you. E.Is this your desk? 七、新情境)字胶生适Tom十分爱读书，认识 1.There is a two 很多单词，因此非常自信地参加了阅读 and a pencil box on the desk. 闯关，一起走进他的比赛任务一判断 2.The schoolbag is the chair. 下面的表述是(T)否(F)正确吧。 3.The chair is the desk. Tom:Hello,Mary.Is this your pencil box? 4.The crayons are the pencil box. Mary:No.It's not my pencil box.My 5.The pencil box is the ruler and pencil box is blue and new. the pen. Tom:Is it Rose's pencil box? 轻松升级等 Mary:No.Her pencil box is pink.This 六、新调境学校生适Kim和Jenny参加了 pencil box is green and old.What's 情景比赛，要在规定时间内根据主题 in it? 创作对话，一起来看一看她们的成果， Tom:There are four pencils,two pens, 选择合适的句子补全她们的对话吧。 six crayons and one ruler. Kim:1. Mary:Oh,I see.It is Jack's pencil box. Jenny:Nice to meet you,too. His pencil box is lost(丢失). Kim:This is my classroom. Tom:OK.Let's give(it to him. Jenny:2. )1.It is Mary's pencil box. Kim:There are forty. )2.Mary's pencil box is blue and new. Jenny:3. )3.This is Rose's pencil box. Kim:No.It is Tom's desk.4. )4.There are four pencils in it. Jenny:5. 5.Rose's pencil box is green. 。快乐优作业本 四年级下册·英语·N 9 Lesson4 How Many Books Are There?(答蒙竟P3) 叫醒耳朵② 3.Let's put eight books on the eight books. 一、L磨享数学Mr.Brown的商店有了 )4.How many chairs are there? 新的物品，一起来听Mr.Brown清点 5.Can you say the numbers from 它们的数量，判断下列图片与所听内 thirty to forty? 容是(T)否(F)相符吧。 快乐通关 偏鼎品高 三、写单词，帮助小兔子拔萝卜吧。 鼎品混 30 1. 2.( 3 5 6 0电影 ●58 0和0 80 8. 3.( 4.() 小朋友，你发现了什么规律呢？ 四、瞻拿数字课下，Kim的妈妈给她出 了几道口算题，你也来试一试，算一算 5.( 结果吧。 二、Mr.Lee正在领读句子，快来听一听下 sixty fifty sixteen forty seventy 列句子与Mr.Lee读的内容是(T)否 1.twenty+twenty= (F)一致吧！ 2.eighty-twenty= )1.How many books are there in 3.eight+eight= my schoolbag? 4.thirty+twenty= )2.There are two books. 5.ten+sixty= 10 ·。四年级下册·英语·N 快乐优士伟业车。