Unit 1 Our Classroom单元知识总结及重点易错（专项训练）-2026-2027学年陕旅版（三起）英语四年级上册

**基本信息** 聚焦单元核心词汇、句型及语法，通过十大易错考点精讲与三阶训练（基础/提升/拓展），系统构建存在句型、方位介词等用法体系，强化语言应用与思维辨析能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |十大易错考点|90题（每考点9题）|存在句型单复数/就近原则、方位介词用法区分、祈使句结构、物主代词辨析等|从词汇短语到句型语法，再到易错点应用，层层递进；通过典例覆盖核心考法与易错点，实现语言能力与思维品质同步提升|

陕旅版（三起）四年级上册 · Unit 1 Our Classroom · 单元重点整理与易错专项练习 陕旅版（三起）四年级上册英语 Unit 1 Our Classroom 单元知识总结及重点易错专项训练 ■ ■ ■ ■ ■ ■ ■ 说明：本练习紧扣最新教材精选 10 个重点易错考点，每个考点含基础题×3、提升题×3、拓展题×3，共 90 题。 班级：__________ 姓名：__________ 学号：__________ 得分：__________ 第一部分 本单元重点单词（20个） 以下是本单元必须掌握的核心词汇，请熟记词义，能听、说、认读、书写。 单词 中文释义 单词 中文释义 classroom 教室 desk 书桌 chair 椅子 blackboard 黑板 door 门 window 窗户 wall 墙壁 floor 地板 light 灯 fan 风扇 computer 电脑 picture 图画 map 地图 board 写字板 clean 干净的 dirty 脏的 big 大的 small 小的 new 新的 old 旧的 第二部分 本单元重点短语（20个） 以下是本单元高频短语，请结合句型理解记忆。 短语 中文释义 in the classroom 在教室里 on the desk 在书桌上 under the chair 在椅子下 near the window 在窗户旁边 clean the desk 擦书桌 clean the blackboard 擦黑板 sweep the floor 扫地 open the door 开门 close the window 关窗户 turn on the light 开灯 turn off the fan 关风扇 look at the board 看黑板 on the wall 在墙上 a big classroom 一间大教室 a new computer 一台新电脑 welcome to... 欢迎来到…… let me help 让我帮忙 this way, please 请这边走 excuse me 打扰一下 after class 课后 第三部分 本单元重点句型（16个） 以下句型为本单元核心交际用语，请熟读并能在实际情境中运用。 英文句型 中文释义 Welcome to our classroom! 欢迎来到我们的教室！ This is our classroom. 这是我们的教室。 It's big and clean. 它又大又干净。 Look at the blackboard. 看黑板。 Please open the door. 请开门。 Please close the window. 请关窗户。 Let me clean the desk. 让我来擦书桌。 Let me sweep the floor. 让我来扫地。 Is this your desk? 这是你的书桌吗？ Yes, it is. / No, it isn't. 是的，它是。/ 不，它不是。 Where is the picture? 图画在哪里？ It's on the wall. 它在墙上。 There is a computer on the desk. 书桌上有一台电脑。 There are many desks in the classroom. 教室里有许多书桌。 Excuse me, where is the library? 请问，图书馆在哪里？ This way, please. 请这边走。 第四部分 本单元重点语法（4个） ◎ 语法一：There is / There are 存在句型 There is + 单数/不可数名词 + 地点（某处有某物）。There are + 复数名词 + 地点。 例：There is a blackboard in the classroom. There are many desks in the classroom. ◎ 语法二：方位介词 in / on / under / near in（在里面）/ on（在表面接触）/ under（在正下方）/ near（在附近）。 例：on the desk（在桌上）/ in the desk（在抽屉里）/ under the chair（在椅下）/ near the window（窗旁）。 ◎ 语法三：祈使句（Let me / Please / Don't） 动词原形开头表命令/请求。Let me + 动词原形。Please + 动词原形。Don't + 动词原形（否定）。 例：Open the door. / Let me clean the desk. / Please sit down. / Don't run. ◎ 语法四：can 表能力（情态动词） can + 动词原形（没有人称变化）。否定 can't = cannot。疑问句 Can you...? Yes, I can. / No, I can't. 例：I can clean the blackboard. She can sing. Can you help me? Yes, I can. 第五部分 十大易错考点精讲 考点1：There is / There are 存在句型（单复数与就近原则） There is + 单数名词/不可数名词 + 地点（某处有某物）。There are + 复数名词 + 地点。注意：① is 后接单数，are 后接复数；② 不可数名词用 is（如 water, milk）；③ 就近原则：There is a pen and two books... 用 is（看最近的 a pen）；④ There is 不能缩写成 There's 在正式考试中要会识别正确形式。易错：is/are 选错，以及就近原则的运用。 考点2：方位介词 in / on / under / near 的用法 in（在……里面）/ on（在……上面，接触表面）/ under（在……下面）/ near（在……附近）。注意：① on 表示在上表面且接触（on the desk）；② in 表示在里面（in the desk 在抽屉里）；③ under 在正下方；④ near 是附近不接触。易错：on 和 in 的混淆（书在桌上用 on，书在桌洞里用 in）；over 和 above 本单元不要求。 考点3：祈使句 Let me... / Please... / Don't... 的结构 祈使句表示请求、命令、建议。结构：① 动词原形开头（Open the door. / Clean the blackboard.）；② Please + 动词原形（Please sit down.）；③ Let me + 动词原形（Let me help you.）；④ Don't + 动词原形（Don't run in the classroom.）。注意：① Let me 后接动词原形，不是 to do；② Please 可放句首或句末；③ 否定用 Don't 不是 Not。易错：Let me 后加 to，Don't 后加 not。 考点4：Is this / Is that...? 一般疑问句及 it is / it isn't 回答 Is this...? / Is that...? 是单数事物的疑问句，回答用 Yes, it is. / No, it isn't. 注意：① 不能用 Yes, it's（it is 在简短回答中不缩写）；② 不能用 Yes, this is（用 it 回答）；③ this 指近处，that 指远处，但回答都用 it；④ isn't = is not 缩写。易错：用 this/that 回答而不用 it；it's 在简短回答中的缩写错误。 考点5：物主代词 our / your / my / their 与名词所有格 our（我们的）/ your（你的/你们的）/ my（我的）/ their（他们的）都是形容词性物主代词，后必须接名词。注意：① our classroom = 我们的教室；② your 可指单数和复数（your desk / your desks）；③ 名词所有格用 's（Li Shan's desk）；④ 物主代词不能和冠词 a/the 连用（不能说 a my desk）。易错：our 和 we 混淆（we 是主格，做主语）；所有格's 的位置。 考点6：形容词 big / small / clean / dirty / new / old 辨析 本单元核心形容词：big（大的）/ small（小的）/ clean（干净的）/ dirty（脏的）/ new（新的）/ old（旧的）。注意：① 形容词放在 be 动词后作表语（The room is big.）；② 形容词放在名词前作定语（a big classroom）；③ 反义词配对：big↔small, clean↔dirty, new↔old；④ well 和 good 的区别（well 是副词，good 是形容词）。易错：形副混淆，以及反义词选错。 考点7：Welcome to... / This way, please / Excuse me 交际用语 Welcome to + 地点（欢迎来到某地，to 后接名词，不加 the 的省略情况）。This way, please = 请这边走（指路用语）。Excuse me = 打扰一下/请问（引起注意或问路时使用，不是 Thank you）。注意：① Welcome to our school（不用 Welcome our school）；② This way 不加 to；③ Excuse me 用于打扰/问路，Sorry 用于道歉；④ Here you are = 给你。易错：Welcome 后漏 to；Excuse me 和 Sorry 混淆。 考点8：can 表示能力 / 请求 / 许可的用法 can 是情态动词，后接动词原形。表示能力（I can swim.）/ 请求许可（Can I come in?）/ 提供帮助（Can I help you?）。注意：① can 后接动词原形（不是 to do）；② 否定 can't = cannot；③ 一般疑问句 Can you...? 回答 Yes, I can. / No, I can't.；④ can 没有人称变化（I/you/he/she/they 都用 can）。易错：can 后加 to；can 变三单加s。 考点9：What's in...? / Where is...? 特殊疑问句及回答 What's in the classroom? = 教室里有什么？（回答用 There is/are...）。Where is the...? = ……在哪里？（回答用 It's + 方位介词 + 地点）。注意：① What's = What is；② Where is 问位置，回答用方位词（on/in/under/near）；③ in 后接大地点（in the classroom），at 后接小地点（at school）；④ 不能用 Yes/No 回答特殊疑问句。易错：What's in 的回答用 There is，不是 It is。 考点10：and / but 连词及形容词并列用法 and（和/并且）表示并列或顺承关系。but（但是）表示转折关系。形容词并列用 and 连接（big and clean / small but clean）。注意：① and 连接两个并列成分（名词+名词/形容词+形容词）；② but 表示前后意思相反或对比；③ 多个形容词并列时，用 and 连接最后两个；④ 肯定+but+否定是常见的转折结构。易错：and 与 but 的逻辑判断。 第六部分 易错考点专项训练（共90题） 说明：◇ 基础题（3题） ▷ 提升题（3题） ★ 拓展题（3题）—— 全部为选择题 考点1：There is / There are 存在句型（单复数与就近原则） ◇ 基础题（选择题） There ______ a blackboard in the classroom. A. is B. are C. am D. be There ______ many desks and chairs in our room. A. is B. are C. am D. be There ______ a computer on the teacher's desk. A. is B. are C. am D. be ▷ 提升题（选择题） There is ______ water in the bottle. (water 不可数) A. many B. much C. a D. some There ______ a map and two pictures on the wall. A. is B. are C. am D. be Olivia says: 'There ______ two fans and a light in our classroom.' A. is B. are C. am D. be ★ 拓展题（选择题） 下列四句中，There is / There are 使用完全正确的是： A. There is many students in the classroom. B. There are a blackboard and some desks. C. There is a big desk and ten small desks. D. There are much water in the glass. A. A B. B C. C D. D Chen Wei describes his classroom: 'There ______ a computer, two lights, and four fans. It ______ very nice.' 两空依次是： A. is / is B. are / is C. is / are D. are / are 选择正确的句子： A. There is some books on the desk. B. There are some water in the glass. C. There is a picture and a map on the wall. D. There are a dog and two cats under the chair. A. A B. B C. C D. D 考点2：方位介词 in / on / under / near 的用法 ◇ 基础题（选择题） The book is ______ the desk. (书在书桌上面) A. in B. on C. under D. near The ball is ______ the chair. (球在椅子下面) A. in B. on C. under D. near The picture is ______ the wall. (图画在墙上) A. in B. on C. under D. near ▷ 提升题（选择题） The pencil is ______ the desk. (铅笔在书桌里面/抽屉里) A. in B. on C. under D. near Lily's schoolbag is ______ the door. (在门附近) A. in B. on C. under D. near Zhang Hao put his football ______ the bed. (把足球放在床下) A. in B. on C. under D. near ★ 拓展题（选择题） 下列四句中，介词使用完全正确的是： A. The cat is in the roof. B. The bird is on the tree. C. The apple is on the table. D. The fish is on the water. A. A B. B C. C D. D Olivia 找不到她的橡皮，Jam 告诉她：'It's ______ your desk, ______ the pencil box.' (在书桌里面，铅笔盒下面) A. in / under B. on / in C. under / on D. near / in Bella 描述她的房间：'There is a lamp ______ the desk, a ball ______ the bed, and a picture ______ the wall near the window.' 三空依次是： A. on / under / on B. in / on / near C. on / in / under D. near / under / on 考点3：祈使句 Let me... / Please... / Don't... 的结构 ◇ 基础题（选择题） ______ clean the blackboard, please. A. Let me B. Let to C. Let me to D. Let I Please ______ the door. It's hot. A. open B. opens C. to open D. opening ______ run in the classroom. A. Not B. Don't C. No D. Doesn't ▷ 提升题（选择题） 选出正确的祈使句： A. Let me to sweep the floor. B. Let me sweep the floor. C. Let me sweeping the floor. D. Let I sweep the floor. 老师进教室说：'______ close the window. It's cold outside.' A. Not B. No C. Don't D. Doesn't Zhou Kai 对 Lily 说：'______ help you carry the books.' A. Let me B. Let I C. Let me to D. Let we ★ 拓展题（选择题） 下列四句中，祈使句结构完全正确的是： A. Please to open the window. B. Let me to clean the desk. C. Don't run in the hall. D. Let I help you. A. A B. B C. C D. D Chen Wei 看到地上很脏，他说：'______ sweep the floor, ______ open the windows.' 两空依次是： A. Let me / and B. Let I / and C. Let me / but D. Let we / and 老师对全班说：'Please ______ quiet. Don't ______ in the classroom.' 两空依次是： A. be / run B. are / running C. is / run D. be / running 考点4：Is this / Is that...? 一般疑问句及 it is / it isn't 回答 ◇ 基础题（选择题） — Is this your desk? — Yes, ______. A. it is B. it's C. this is D. that is — Is that a computer? — No, ______. A. it is B. it isn't C. that isn't D. this isn't — Is this a blackboard? — ______ A. Yes, it is. B. Yes, it's. C. Yes, this is. D. No, it's. ▷ 提升题（选择题） — Is that your new schoolbag? — ______ A. Yes, it is. B. Yes, it's. C. Yes, that is. D. No, it's. Olivia 指着远处问：'Is ______ a fan?' Bella 回答：'No, ______.' A. this / it is B. that / it isn't C. that / it is D. this / it isn't — Is this the library? — ______ It's the computer room. A. Yes, it is. B. No, it isn't. C. Yes, it's. D. No, it's. ★ 拓展题（选择题） 下列四组问答中，全部正确的是： A. Is this a desk? Yes, it's. B. Is that a chair? No, it isn't. C. Is this your book? Yes, this is. D. Is that a window? No, that isn't. A. A B. B C. C D. D Jam 问 Zhang Hao: 'Is this your picture?' Zhang Hao 回答：'______' 然后指着远处说：'______ my picture over there.' A. Yes, it is. / That is B. Yes, it's. / This is C. Yes, this is. / It is D. No, it's. / That is Lily 问 Bella: 'Is that a map on the wall?' Bella 应回答： A. Yes, it's a map. B. Yes, it is. C. Yes, that is. D. No, it's. 考点5：物主代词 our / your / my / their 与名词所有格 ◇ 基础题（选择题） This is ______ classroom. (我们的教室) A. we B. our C. us D. ours Is this ______ desk? (你的书桌) A. you B. your C. yours D. me ______ name is Chen Wei. (我的名字) A. I B. my C. me D. mine ▷ 提升题（选择题） Olivia and Bella are in ______ classroom. (她们的教室) A. they B. their C. them D. theirs — Is this Li Shan's desk? — Yes, it's ______ desk. (她的书桌) A. she B. her C. hers D. him Please come to ______ office. (我们的办公室) A. we B. our C. us D. ours ★ 拓展题（选择题） 下列四句中，物主代词使用完全正确的是： A. This is a our classroom. B. This is our classroom. C. This is the our classroom. D. This is ours classroom. A. A B. B C. C D. D Chen Wei 对 Jam 说：'Welcome to ______ classroom. This is ______ desk and that is ______ chair.' 三空依次是： A. our / my / my B. we / I / I C. our / I / my D. we / my / I Lily 介绍她的学校：'This is ______ school. That building is ______ library. The big room is ______ classroom.' 三空依次是： A. our / our / our B. we / our / our C. our / we / our D. our / our / we 考点6：形容词 big / small / clean / dirty / new / old 辨析 ◇ 基础题（选择题） Our classroom is ______. (又大又干净) A. big and clean B. well and clean C. big and dirty D. good and new The desk is very ______. (很旧) A. new B. young C. old D. small Please keep the classroom ______. (保持干净) A. dirty B. clean C. big D. small ▷ 提升题（选择题） 选出反义词配对正确的一项： A. big / small B. clean / new C. old / big D. dirty / small The blackboard is very ______. We can't see clearly. (看不清楚，说明脏了) A. clean B. dirty C. new D. big Olivia's schoolbag is ______, but Bella's is ______. (新的 vs 旧的) A. new / old B. old / new C. big / small D. clean / dirty ★ 拓展题（选择题） Chen Wei 描述他的新旧两个教室：'Our old classroom was ______, but our new classroom is ______ and ______.' 三空依次是： A. small / big / clean B. big / small / dirty C. clean / dirty / big D. old / new / small 下列四句中，形容词使用完全正确的是： A. The floor is very well. B. The desk is very good. C. The window is very clean. D. The chair is very well. A. A B. B C. C D. D Zhang Hao 和 Zhou Kai 在打扫教室。Zhang Hao 说：'Let's make our classroom ______ and ______.' A. big / small B. clean / beautiful C. old / new D. dirty / clean 考点7：Welcome to... / This way, please / Excuse me 交际用语 ◇ 基础题（选择题） 欢迎来到我们的学校！应该说： A. Welcome our school! B. Welcome to our school! C. Welcome you to school! D. Welcome school! 客人来了，你说请进/请走这边： A. This is the way. B. This way, please. C. Go this way. D. Come this way. 你想问路，先说： A. Sorry. B. Thank you. C. Excuse me. D. Hello. ▷ 提升题（选择题） Olivia 带 Jam 参观学校，边走边说：'______, please. This is the library. ______ our classroom!' A. This way / Welcome to B. Come here / Go to C. Go / Welcome D. This is / Come to 你想借同学的橡皮，先说： A. Sorry. B. Excuse me. C. Thank you. D. Goodbye. 选出正确的一项： A. Welcome you to our class! B. Welcome to our class! C. Welcome our class! D. Welcomes to our class! ★ 拓展题（选择题） 下列四句中，交际用语使用完全正确的是： A. Excuse me, where is the toilet? — Sorry, I don't know. B. Sorry, where is the library? — This way, please. C. Welcome our school! This way, please. D. Excuse me, is this the office? — Yes, it is. A. A B. B C. C D. D Bella 带新同学参观：'______ to our school! ______ way, ______. Here is our classroom. ______!' A. Welcome / This / please / Come in B. Welcome / That / please / Go in C. Go / This / thanks / Come D. Welcome / This / thanks / Go Chen Wei 在走廊遇到老师，他想问问题应该说： A. Sorry, may I ask a question? B. Excuse me, may I ask a question? C. Hello, may I ask a question? D. Thank you, may I ask? 考点8：can 表示能力 / 请求 / 许可的用法 ◇ 基础题（选择题） I ______ clean the blackboard. (我能擦黑板) A. can B. cans C. can to D. am ______ you help me? (你能帮我吗？) A. Are B. Do C. Can D. Is She ______ sing very well. (她能唱得很好) A. can B. cans C. can to D. is ▷ 提升题（选择题） — Can Lily dance? — Yes, ______. A. she can B. she cans C. she can to D. she is — Can I come in? — Yes, ______. A. you can B. you are C. I can D. you do Olivia ______ draw pictures, but she ______ sing well. (能画但不能唱好) A. can / can B. can / can't C. can't / can D. can't / can't ★ 拓展题（选择题） 下列四句中，can 的使用完全正确的是： A. He can to swim. B. She cans dance. C. They can play football. D. I can sings. A. A B. B C. C D. D Zhang Hao 对老师说：'______ I clean the desk for you?' 老师回答：'Yes, ______.' A. Can / you can B. Do / you do C. Are / you are D. Can / I can Jam 说：'I ______ speak Chinese, but I ______ speak English very well.' 两空依次是： A. can / can B. can / can't C. can't / can D. can't / can't 考点9：What's in...? / Where is...? 特殊疑问句及回答 ◇ 基础题（选择题） — What's in the classroom? — ______ a blackboard and many desks. A. There is B. It is C. This is D. That is — Where is the picture? — ______ on the wall. A. There is B. It's C. They're D. Here is — Where is your schoolbag? — It's ______ the desk. A. in B. at C. to D. for ▷ 提升题（选择题） — What's in your schoolbag? — ______ some books and a pencil box. A. There is B. It is C. There are D. This is — Where is the computer room? — It's ______ the second floor. A. in B. on C. at D. under Olivia 问：'______ in the drawer?' Bella 回答：'There is a ruler.' A. What B. What's C. Where D. Where's ★ 拓展题（选择题） Chen Wei 描述他的书包：'What's in my schoolbag? ______ some books, a pen, and a pencil. Where is my eraser? ______ under the pencil box.' 两空依次是： A. There are / It's B. It is / It's C. There is / They're D. They're / There is 下列四句中，特殊疑问句及回答搭配正确的是： A. Where is the fan? — There is a fan. B. What's on the desk? — It's a computer. C. Where are the chairs? — It's near the desk. D. What's in the room? — It's big. A. A B. B C. C D. D Lily 问 Jam: 'What's ______ the classroom?' Jam 回答：'There ______ twenty desks and chairs, a big blackboard, and a computer ______ the teacher's desk.' A. in / are / on B. on / is / in C. in / is / under D. near / are / at 考点10：and / but 连词及形容词并列用法 ◇ 基础题（选择题） Our classroom is big ______ clean. A. but B. and C. or D. so The desk is old ______ dirty. (又旧又脏) A. but B. and C. or D. so I like English ______ I like Chinese, too. A. but B. and C. or D. so ▷ 提升题（选择题） The blackboard is very clean, ______ the floor is dirty. A. and B. but C. or D. so Olivia can sing ______ she can dance, ______ she can't draw. A. and / but B. but / and C. or / but D. so / and Lily is a good student. She is smart ______ hardworking. A. but B. and C. or D. so ★ 拓展题（选择题） 下列四句中，and / but 使用完全正确的是： A. The room is big, but it is clean. B. The room is small, and it is dirty. C. The room is big, and it is old. D. 以上 B 和 C 都对 A. A B. B C. C D. D Zhang Hao 描述他的教室：'Our classroom is ______ and ______, ______ the windows are small ______ clean.' A. big / clean / and / but B. big / clean / but / and C. small / dirty / and / but D. clean / big / but / and Bella 描述两间教室：'Classroom A is big ______ bright, ______ Classroom B is small ______ dark.' A. and / but / and B. but / and / but C. and / and / but D. but / but / and 第七部分 参考答案与详细解析 ◎ 答案速查表 考点 基础题答案 提升题答案 拓展题答案 考点1 A/B/A B/A/B C/A/C 考点2 B/C/B A/D/C C/A/A 考点3 A/A/B B/C/A C/A/A 考点4 A/B/A A/B/B B/A/B 考点5 B/B/B B/B/B B/A/A 考点6 A/C/B A/B/A A/C/B 考点7 B/B/C A/B/B D/A/B 考点8 A/C/A A/A/B C/A/C 考点9 A/B/A C/B/B A/B/A 考点10 B/B/B B/A/B D/B/A ◎ 详细解析 考点1：There is / There are 存在句型（单复数与就近原则） ◇ 基础题 1. 答案：A 【解析】a blackboard 单数用 is。 2. 答案：B 【解析】many desks 复数用 are。 3. 答案：A 【解析】a computer 单数用 is。 ▷ 提升题 1. 答案：B 【解析】water 不可数用 much 修饰。 2. 答案：A 【解析】就近原则，a map 单数用 is。 3. 答案：B 【解析】two fans 复数用 are。 ★ 拓展题 1. 答案：C 【解析】C 正确：a big desk and ten small desks 就近用 is。 2. 答案：A 【解析】There is a computer... It is very nice。 3. 答案：C 【解析】C 正确：a picture and a map 用 is。 考点2：方位介词 in / on / under / near 的用法 ◇ 基础题 1. 答案：B 【解析】on the desk 在桌面上。 2. 答案：C 【解析】under the chair 在椅子下面。 3. 答案：B 【解析】on the wall 在墙上。 ▷ 提升题 1. 答案：A 【解析】in the desk 在抽屉/书桌里面。 2. 答案：D 【解析】near the door 在门附近。 3. 答案：C 【解析】under the bed 在床下。 ★ 拓展题 1. 答案：C 【解析】C 苹果在桌上正确。 2. 答案：A 【解析】in the desk 抽屉里，under the pencil box 铅笔盒下。 3. 答案：A 【解析】on the desk / under the bed / on the wall。 考点3：祈使句 Let me... / Please... / Don't... 的结构 ◇ 基础题 1. 答案：A 【解析】Let me + 动词原形 clean。 2. 答案：A 【解析】Please + 动词原形 open。 3. 答案：B 【解析】Don't + 动词原形 run。 ▷ 提升题 1. 答案：B 【解析】B Let me sweep 正确。 2. 答案：C 【解析】Don't close 不要关。 3. 答案：A 【解析】Let me help 让我帮忙。 ★ 拓展题 1. 答案：C 【解析】C Don't run 正确。 2. 答案：A 【解析】Let me sweep... and open 并列。 3. 答案：A 【解析】Please be quiet. Don't run。 考点4：Is this / Is that...? 一般疑问句及 it is / it isn't 回答 ◇ 基础题 1. 答案：A 【解析】Yes, it is（不用缩写）。 2. 答案：B 【解析】No, it isn't。 3. 答案：A 【解析】A Yes, it is 正确。 ▷ 提升题 1. 答案：A 【解析】Is that...? Yes, it is。 2. 答案：B 【解析】that / it isn't。 3. 答案：B 【解析】No, it isn't 不是图书馆。 ★ 拓展题 1. 答案：B 【解析】B 全对：isn't 不缩写。 2. 答案：A 【解析】Yes, it is. / That is my picture。 3. 答案：B 【解析】Yes, it is 回答 Is that...? 考点5：物主代词 our / your / my / their 与名词所有格 ◇ 基础题 1. 答案：B 【解析】our classroom 我们的教室。 2. 答案：B 【解析】your desk 你的书桌。 3. 答案：B 【解析】my name 我的名字。 ▷ 提升题 1. 答案：B 【解析】their classroom 她们的教室。 2. 答案：B 【解析】her desk 她的书桌。 3. 答案：B 【解析】our office 我们的办公室。 ★ 拓展题 1. 答案：B 【解析】B 不加冠词。 2. 答案：A 【解析】our / my / my 物主代词。 3. 答案：A 【解析】our school / our library / our classroom。 考点6：形容词 big / small / clean / dirty / new / old 辨析 ◇ 基础题 1. 答案：A 【解析】big and clean 又大又干净。 2. 答案：C 【解析】old 旧的。 3. 答案：B 【解析】keep clean 保持干净。 ▷ 提升题 1. 答案：A 【解析】big/small 是反义词。 2. 答案：B 【解析】dirty 脏的。 3. 答案：A 【解析】new vs old 新旧对比。 ★ 拓展题 1. 答案：A 【解析】small→big, dirty→clean 合理。 2. 答案：C 【解析】C The window is very clean 正确。 3. 答案：B 【解析】clean and beautiful 干净又漂亮。 考点7：Welcome to... / This way, please / Excuse me 交际用语 ◇ 基础题 1. 答案：B 【解析】Welcome to our school。 2. 答案：B 【解析】This way, please 请这边走。 3. 答案：C 【解析】Excuse me 打扰一下。 ▷ 提升题 1. 答案：A 【解析】This way / Welcome to 搭配。 2. 答案：B 【解析】借东西先说 Excuse me。 3. 答案：B 【解析】B Welcome to our class 正确。 ★ 拓展题 1. 答案：D 【解析】D Excuse me + Yes, it is 正确。 2. 答案：A 【解析】Welcome / This way / Come in 连贯。 3. 答案：B 【解析】Excuse me 礼貌问问题。 考点8：can 表示能力 / 请求 / 许可的用法 ◇ 基础题 1. 答案：A 【解析】can + 动词原形 clean。 2. 答案：C 【解析】Can you help me? 请求。 3. 答案：A 【解析】She can sing 三单不变。 ▷ 提升题 1. 答案：A 【解析】Yes, she can。 2. 答案：A 【解析】Yes, you can。 3. 答案：B 【解析】can draw / can't sing。 ★ 拓展题 1. 答案：C 【解析】C They can play 正确。 2. 答案：A 【解析】Can I...? Yes, you can。 3. 答案：C 【解析】can't speak Chinese / can speak English。 考点9：What's in...? / Where is...? 特殊疑问句及回答 ◇ 基础题 1. 答案：A 【解析】What's in...? 用 There is 回答。 2. 答案：B 【解析】It's on the wall。 3. 答案：A 【解析】in the desk 在桌子里。 ▷ 提升题 1. 答案：C 【解析】some books 复数用 There are。 2. 答案：B 【解析】on the second floor 在二楼。 3. 答案：B 【解析】What's in the drawer? 抽屉里有什么？ ★ 拓展题 1. 答案：A 【解析】There are + It's under。 2. 答案：B 【解析】B What's on the desk? It's a computer 正确。 3. 答案：A 【解析】in / are / on 逻辑通顺。 考点10：and / but 连词及形容词并列用法 ◇ 基础题 1. 答案：B 【解析】big and clean 并列。 2. 答案：B 【解析】old and dirty 并列。 3. 答案：B 【解析】and 连接两个喜欢。 ▷ 提升题 1. 答案：B 【解析】but 转折：干净但地板脏。 2. 答案：A 【解析】and / but 逻辑。 3. 答案：B 【解析】smart and hardworking。 ★ 拓展题 1. 答案：D 【解析】D B和C都对。 2. 答案：B 【解析】big and clean / but small and clean。 3. 答案：A 【解析】and / but / and 逻辑。 第 页 学科网（北京）股份有限公司 $