Unit 3 What a nice day单元知识总结及重点易错（专项训练）-2026-2027学年接力版英语四年级上册

**基本信息** 本专项以天气与日常活动为主题，按“词汇-短语-句型-语法”逻辑构建知识体系，通过10个易错考点的三色三级训练（基础/提升/拓展各3题），系统提炼感叹句结构、天气问答等解题方法，提升语言应用与逻辑思维。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |十大易错考点|每考点9题（共90题）|感叹句结构、天气问答法、be going to用法、情态动词can应用等|从基础词汇（天气/活动词）到短语、句型，再到语法（感叹句、将来时等），最终综合情景应用，形成“概念-规则-应用”递进链条|

接力版（三起）四年级上册 Unit 3 What a nice day! 考点精练 接力版（三起）四年级上册Unit 3 What a nice day! 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。 一线教师精心整理 | 紧扣最新教材 | 三色三级递进 | 经典易错题精选 适用教材：接力版《小学英语》四年级上册（2024年秋季最新修订版） 单元主题：What a nice day!（描述天气、谈论日常活动、表达感受与计划） 第一部分：重点单词汇总 本单元围绕天气、日常活动、感受表达展开，以下为必须掌握的核心词汇，按类别归纳： 一、天气与季节形容词 单词 词性 中文释义 例句 sunny adj. 晴朗的 It is sunny today. cloudy adj. 多云的 It is cloudy in Wuhan. windy adj. 有风的 It is windy outside. rainy adj. 多雨的 It is rainy in Xiamen. snowy adj. 下雪的 It is snowy in Kunming. foggy adj. 有雾的 It is foggy this morning. warm adj. 温暖的 Spring is warm. cool adj. 凉爽的 Autumn is cool. hot adj. 炎热的 Summer is hot. cold adj. 寒冷的 Winter is cold. 二、活动与动作动词 单词 词性 中文释义 例句 play v. 玩；打（球） I play football. fly v. 放（风筝） Let's fly a kite. go v. 去 I go swimming. swim v. 游泳 I can swim well. hike v. 远足 We go hiking. plant v. 种植 We plant trees. make v. 制作 I make a snowman. take v. 拍（照） Take a photo. have v. 有；吃 We have a picnic. climb v. 爬 Climb the hill. 三、情态动词与助动词 单词 词性 中文释义 例句 can modal 能；会 I can fly a kite. can't modal 不能；不会 I can't swim. will modal 将；会 It will be sunny. won't modal 将不；不会 It won't rain. do aux. 助动词（原形） Do you like spring? does aux. 助动词（三单） Does he play football? don't aux. 不（否定） I don't like rainy days. doesn't aux. 不（三单否定） She doesn't go hiking. 第二部分：重点短语汇总 以下为本单元常考固定搭配，需熟记并在语境中灵活运用： 短语 中文释义 短语 中文释义 What a nice day! 多好的一天啊！ How's the weather? 天气怎么样？ play football 踢足球 fly a kite 放风筝 go swimming 去游泳 go hiking 去远足 go camping 去野营 have a picnic 去野餐 make a snowman 堆雪人 plant trees 种树 take photos 拍照 climb hills 爬山 in spring/summer 在春天/夏天 on sunny days 在晴天 be going to 打算/将要做 can/can't 能/不能 Why not...? 为什么不……？ Let's... 让我们…… It's time to... 该做……了 look at... 看…… 第三部分：重点句型汇总 以下为本单元核心交际句型，要求能听懂、会说、会运用： 句型 中文释义 句型 中文释义 What a nice day! 多好的一天！ How's the weather? 天气怎样？ It's sunny/rainy. 是晴天/雨天。 It's going to rain. 要下雨了。 Let's go hiking. 我们去远足吧。 Why not fly a kite? 何不放风筝？ Can you swim? 你会游泳吗？ I can/can't swim. 我会的/不会。 What do you like? 你喜欢什么？ I like spring. 我喜欢春天。 Why? Because... 为什么？因为…… When do you...? 你何时……？ It's time to go. 该走了。 Shall we...? 我们可以……吗？ He/She often plays. 他/她经常玩。 Do/Does...like...? ……喜欢……吗？ I'm going to swim. 我打算去游泳。 Will it be sunny? 天会晴吗？ What's your favourite season? 你最爱的季节？ How about you? 你呢？ 第四部分：重点语法汇总 语法一：感叹句 What a + adj. + n.! 用来表达强烈感受。结构：What + a/an + 形容词 + 可数名词单数 + ! 例：What a nice day! What a beautiful kite! 语法二：How's the weather? 天气问答 问天气用 How's the weather? 或 What's the weather like? 答：It's + 天气形容词。 注意：天气形容词由名词+y构成：sun→sunny, rain→rainy, wind→windy, cloud→cloudy, snow→snowy, fog→foggy 语法三：be going to + 动词原形（将来计划） 表示打算或即将做的事。否定：be not going to。疑问：Be + 主语 + going to...? 例：I am going to fly a kite. He is going to swim. 语法四：can / can't 表能力 can 后接动词原形。否定 can't = cannot。疑问句：Can + 主语 + 动词原形? 例：Can you swim? Yes, I can. / No, I can't. 语法五：一般现在时第三人称单数 当主语是 he/she/人名 时，动词加 -s 或 -es。go→goes, do→does, have→has, play→plays 否定用 doesn't + 动词原形。疑问用 Does + 主语 + 动词原形? 语法六：Why...? — Because... 因果问答 Why 提问原因，用 Because 引导原因从句回答。 例：Why do you like spring? Because I can plant trees. 第五部分：十大易错考点专项训练 以下每个考点含：基础题3道（◇）→ 提升题3道（▷）→ 拓展题3道（★），共90题。全部为选择题，选项横向排列。 考点一：What a + adj. + n.! 感叹句结构 基础题：（选择题） ◇（ ）1. ______ nice day it is today! A. How B. What C. What a D. How a ◇（ ）2. ______ beautiful flower! I like it. A. How B. What C. What a D. What an ◇（ ）3. —It is a sunny day. —Yes, ______ nice day! A. how a B. what a C. how D. what 提升题：（选择题） ▷（ ）1. Look at the kite! ______ high it flies! A. What B. What a C. How D. How a ▷（ ）2. ______ interesting book you lent me! A. What a B. What an C. How a D. How an ▷（ ）3. —The snowman is so big! —Yes, ______ lovely snowman! A. what a B. what an C. how a D. how 拓展题：（选择题） ★（ ）1. ______ fine weather we have today! Let's go out. A. What a B. What C. How D. How a ★（ ）2. ______ clever the bird is! It can count. A. What B. What a C. How D. How a ★（ ）3. Which is correct? ______ A. What a good weather! B. How good weather! C. What good weather! D. How a good weather! 考点二：How's the weather? / What's the weather like? 问答 基础题：（选择题） ◇（ ）1. —______ the weather in Wuhan today? —It's rainy. A. What's B. How's C. Where's D. When's ◇（ ）2. —What's the weather like in Kunming? —______ sunny. A. It B. It's C. Is D. This is ◇（ ）3. It is ______ today. Let's go hiking. A. rain B. cloud C. sunny D. wind 提升题：（选择题） ▷（ ）1. —How's the weather tomorrow? —It's going to ______. A. sunny B. be sunny C. is sunny D. are sunny ▷（ ）2. It ______ yesterday. The ground is wet. A. is rainy B. was rain C. rained D. raining ▷（ ）3. Look at the sky. It's ______. Take an umbrella. A. sunny B. cloudy C. foggy D. windy 拓展题：（选择题） ★（ ）1. Which sentence is WRONG? A. What's the weather like? B. How's the weather? C. What weather is it? D. It's foggy today. ★（ ）2. —It's snowy in Qingdao. —______ cold it is! A. What B. What a C. How D. How a ★（ ）3. The weather in Xiamen is ______ in winter. It's never too cold. A. warm B. cool C. hot D. cold 考点三：be going to + 动词原形（将来计划与打算） 基础题：（选择题） ◇（ ）1. I ______ going to fly a kite this afternoon. A. am B. is C. are D. be ◇（ ）2. He ______ going to play football tomorrow. A. am B. is C. are D. be ◇（ ）3. They ______ going to have a picnic on Sunday. A. am B. is C. are D. be 提升题：（选择题） ▷（ ）1. —Are you going to swim? —Yes, I ______. A. am B. is C. are D. do ▷（ ）2. She ______ going to take photos in the park. A. am not B. isn't C. aren't D. don't ▷（ ）3. ______ they going to climb the hill? —No, they aren't. A. Am B. Is C. Are D. Do 拓展题：（选择题） ★（ ）1. Which is RIGHT? A. I am go to swim. B. He is going swim. C. They are going to hiking. D. She is going to dance. ★（ ）2. We ______ a snowman if it snows tomorrow. A. make B. makes C. are going to make D. made ★（ ）3. —What ______ you going to do after school? —I'm going to play football. A. am B. is C. are D. do 考点四：can / can't 表能力与请求许可 基础题：（选择题） ◇（ ）1. I ______ swim very well. I swim every day. A. can B. can't C. am D. do ◇（ ）2. —Can you fly a kite? —No, I ______. A. can B. can't C. am not D. don't ◇（ ）3. ______ he play football? Yes, he can. He is good at it. A. Do B. Does C. Can D. Is 提升题：（选择题） ▷（ ）1. I ______ go hiking today because it is raining. A. can B. can't C. am D. do ▷（ ）2. —Can Chen Wei swim? —Yes, ______. A. I can B. he can C. she can D. we can ▷（ ）3. She is only five, but she ______ count to 100. A. can B. can't C. is D. does 拓展题：（选择题） ★（ ）1. Which is WRONG? A. I can swimming. B. She can dance. C. He can't sing. D. They can run. ★（ ）2. —Can I go out to play? —______. It's too rainy. A. Yes, you can B. No, you can't C. Yes, you do D. No, you don't ★（ ）3. Olivia ______ speak Chinese and English. She is clever. A. can B. is C. does D. are 考点五：Let's + 动词原形 / Why not...? 提建议 基础题：（选择题） ◇（ ）1. Let's ______ football after school. A. play B. plays C. playing D. to play ◇（ ）2. —Why not ______ a kite? —Good idea! A. fly B. flies C. flying D. to fly ◇（ ）3. —It's sunny. ______ go hiking? —OK! A. Let's B. Let C. Do D. Are 提升题：（选择题） ▷（ ）1. —Shall we go swimming? —______. I can't swim. A. Good idea B. OK C. Sorry, I can't D. Let's go ▷（ ）2. It's snowy. Let's ______ a snowman. A. make B. makes C. making D. to make ▷（ ）3. Why ______ plant some trees? Spring is the best time. A. not we B. we not C. not D. don't 拓展题：（选择题） ★（ ）1. Which is the same as 'Let's go camping'? ______ A. Why not go camping? B. How to go camping? C. What about camp? D. Can you go camping? ★（ ）2. —How about ______ photos? —Great! A. take B. to take C. taking D. takes ★（ ）3. It's a nice day. ______ climb the hill with me? A. Let's B. Why not C. Shall we D. Do we 考点六：一般现在时第三人称单数变化 基础题：（选择题） ◇（ ）1. Jam often ______ football after school. A. play B. plays C. playing D. to play ◇（ ）2. Lily ______ to school on foot every day. A. go B. goes C. going D. to go ◇（ ）3. Zhang Hao ______ a kite on windy days. A. fly B. flies C. flying D. to fly 提升题：（选择题） ▷（ ）1. Bella ______ swimming in summer. A. like B. likes C. liking D. to like ▷（ ）2. Chen Wei usually ______ trees in spring. A. plant B. plants C. planting D. to plant ▷（ ）3. She ______ have breakfast at 7:00. She has it at 6:30. A. don't B. doesn't C. isn't D. aren't 拓展题：（选择题） ★（ ）1. Which is WRONG? A. He play football. B. She goes hiking. C. It rains a lot. D. Tom studies hard. ★（ ）2. —Does Olivia take photos on sunny days? —Yes, she ______. A. do B. does C. is D. take ★（ ）3. Zhou Kai ______ football. He likes basketball. A. don't play B. doesn't play C. isn't play D. aren't play 考点七：Why...? — Because... 因果问答 基础题：（选择题） ◇（ ）1. —Why do you like spring? —______ I can plant trees. A. So B. But C. Because D. And ◇（ ）2. —Why not go swimming? —______ it is too cold. A. So B. Because C. But D. And ◇（ ）3. —______ do you like autumn? —Because it is cool. A. What B. When C. Where D. Why 提升题：（选择题） ▷（ ）1. Olivia likes rainy days ______ she can read books at home. A. so B. because C. but D. and ▷（ ）2. It is sunny, ______ we go to the park. A. because B. but C. so D. why ▷（ ）3. —Why does Chen Wei go hiking? —______ he likes nature. A. So B. Because C. But D. And 拓展题：（选择题） ★（ ）1. Which sentence is WRONG? A. Why do you like it? Because it is fun. B. I like it because it is fun. C. Because it is fun, so I like it. D. It is fun, so I like it. ★（ ）2. Lily is happy ______ she is going to fly a kite. A. so B. but C. because D. and ★（ ）3. —Why is Jam wearing a coat? —______ it is cold outside. A. So B. But C. And D. Because 考点八：天气形容词构词法（名词 + y → 形容词） 基础题：（选择题） ◇（ ）1. It is ______ today. The sun is shining. A. sun B. sunny C. suny D. sunly ◇（ ）2. It is ______. We can't go out. Take an umbrella. A. rain B. rainy C. rainny D. rainey ◇（ ）3. Look! It is ______. The leaves are dancing. A. wind B. windy C. windey D. winny 提升题：（选择题） ▷（ ）1. It is ______ this morning. Be careful on the road. A. fog B. foggy C. fogey D. fogy ▷（ ）2. In winter, it is often ______ in Kunming. A. snow B. snowy C. snowey D. snowie ▷（ ）3. The sky is grey. It is ______. I think it will rain. A. cloud B. cloudy C. cloudey D. cludy 拓展题：（选择题） ★（ ）1. Which spelling is WRONG? A. sunny B. rainny C. windy D. snowy ★（ ）2. It is a ______ day. Let's go to the beach! A. sun B. sunny C. suny D. sunnie ★（ ）3. The weather is ______ in Xiamen. It often rains there. A. rain B. rainy C. rained D. raining 考点九：季节与活动/天气匹配（综合运用） 基础题：（选择题） ◇（ ）1. In spring, it is ______. We can plant trees. A. cold B. hot C. warm D. cool ◇（ ）2. In summer, it is ______. We can go swimming. A. warm B. hot C. cool D. cold ◇（ ）3. In autumn, it is ______. The leaves turn yellow. A. hot B. warm C. cool D. cold 提升题：（选择题） ▷（ ）1. In winter in Wuhan, it is often ______. We can make snowmen. A. warm B. hot C. cool D. snowy ▷（ ）2. Which is the BEST for flying a kite? ______ days. A. Rainy B. Snowy C. Windy D. Foggy ▷（ ）3. It is too ______ in Jinan today. I want to stay at home. A. warm B. cool C. sunny D. hot 拓展题：（选择题） ★（ ）1. Olivia likes spring best ______ she can see flowers everywhere. A. so B. but C. because D. and ★（ ）2. In Qingdao, summer is not too hot because it is near the ______. A. mountain B. river C. sea D. forest ★（ ）3. Which activity does NOT match the weather? ______ A. Sunny—fly a kite B. Rainy—take an umbrella C. Snowy—make a snowman D. Foggy—climb hills 考点十：综合情景对话与逻辑推断（单元综合） 基础题：（选择题） ◇（ ）1. —______ a nice day! —Yes, let's go outside! A. How B. What C. What a D. How a ◇（ ）2. —Can you go hiking with me? —Sorry, I ______. I have homework. A. can B. can't C. am D. do ◇（ ）3. —It's going to rain. —Oh, let's ______ home quickly. A. go B. goes C. going D. to go 提升题：（选择题） ▷（ ）1. —How's the weather in your hometown? —It's ______. We often go swimming. A. cold B. hot C. cool D. snowy ▷（ ）2. —Why not have a picnic? —______. Where shall we go? A. Sorry B. No, I can't C. Good idea D. I don't like ▷（ ）3. Chen Wei: It's windy. Bella: ______ fly a kite? Chen Wei: Great! A. Let's B. Why not C. Do we D. Can we 拓展题：（选择题） ★（ ）1. Lily: Why do you like autumn best? Bella: ______ I can climb hills. It's cool. Lily: Me too. Which is TRUE? A. Bella likes spring. B. Bella likes autumn because it is cool. C. Lily doesn't like climbing. D. It is hot in autumn. ★（ ）2. Zhang Hao: It's going to be sunny tomorrow. Shall we go camping? Jam: Sorry, I can't. I must do homework. What can we know? A. They will go camping. B. Jam can go camping. C. They won't go camping tomorrow. D. It will rain tomorrow. ★（ ）3. Olivia: Look at the sky. It's so cloudy. Bella: Yes, and it's windy too. I think it's going to rain. Olivia: Let's go home. We shouldn't get wet. What is the weather like now? A. It is sunny. B. It is snowy. C. It is cloudy and windy. D. It is foggy. 第六部分：参考答案与详细解析 以下解析按考点顺序排列，每考点内序号独立。请对照原题核对。 考点一参考答案与解析 基础题参考答案： ◇1. C → day是可数名词单数，用What a + adj. + n.!结构。 ◇2. C → flower是辅音音素开头的可数名词单数，用What a。 ◇3. B → 感叹句用What a + adj. + n.!，句中已有形容词nice和名词day。 提升题参考答案： ▷1. C → How + adj./adv. + 主语 + 谓语! 修饰high（副词）用How。 ▷2. B → interesting以元音音素/ɪ/开头，用What an + adj. + n.! ▷3. A → lovely以辅音/l/开头，用What a + adj. + n.! 拓展题参考答案： ★1. B → weather是不可数名词，不能用a，直接用What + adj. + 不可数名词! ★2. C → How + adj. + 主语 + 谓语! 修饰clever（形容词）用How。 ★3. C → weather不可数，用What + adj. + 不可数名词!结构。 考点二参考答案与解析 基础题参考答案： ◇1. B → 问天气用How's the weather? 或 What's the weather like? ◇2. B → 回答天气用It's + 天气形容词，It指代天气。 ◇3. C → is后接形容词作表语，sunny是形容词's晴朗的'。 提升题参考答案： ▷1. B → be going to后接动词原形be，再加形容词sunny。 ▷2. C → yesterday提示用一般过去时，rain的过去式是rained。 ▷3. B → 带伞说明天阴要下雨，cloudy'多云的'符合语境。 拓展题参考答案： ★1. C → C应为What's the weather like? 其他三项均正确。 ★2. C → How + adj. + 主语 + 谓语! cold是形容词，用How修饰。 ★3. A → 厦门冬天温暖，never too cold提示选warm'温暖的'。 考点三参考答案与解析 基础题参考答案： ◇1. A → 主语I与am搭配，be going to结构。 ◇2. B → 主语he是第三人称单数，用is going to。 ◇3. C → 主语they是复数，用are going to。 提升题参考答案： ▷1. A → be going to的肯定回答：Yes, 主语 + be动词。 ▷2. B → 主语she用is，否定isn't going to。 ▷3. C → 主语they用Are提问，be going to疑问句。 拓展题参考答案： ★1. D → be going to后必须接动词原形。A缺to，B缺to，C应为go hiking。 ★2. C → tomorrow和if从句提示用be going to表示将来计划。 ★3. C → 主语you搭配are，be going to疑问句结构。 考点四参考答案与解析 基础题参考答案： ◇1. A → every day和very well提示有能力游泳，用can。 ◇2. B → Can you...?的否定回答是No, I can't. ◇3. C → 回答用can提示问句也用Can提问能力。 提升题参考答案： ▷1. B → 下雨了所以不能去远足，用can't表示'不能'。 ▷2. B → Chen Wei是男生名，用he can回答。 ▷3. A → but转折说明虽然小但能做到，用can表示能力。 拓展题参考答案： ★1. A → can后必须接动词原形，swimming应改为swim。 ★2. B → 下雨了所以不允许出去，用No, you can't回答请求。 ★3. A → 表示'会说'某种语言用can speak，是能力表达。 考点五参考答案与解析 基础题参考答案： ◇1. A → Let's后接动词原形，Let's = Let us。 ◇2. A → Why not后接动词原形，表示'为什么不……？' ◇3. A → Let's + 动词原形，提议'让我们去远足吧'。 提升题参考答案： ▷1. C → 不会游泳所以拒绝提议，用Sorry回应。 ▷2. A → Let's后接动词原形，make a snowman'堆雪人'。 ▷3. C → Why not + 动词原形 = Why don't we + 动词原形，都表建议。 拓展题参考答案： ★1. A → Why not do = Let's do，都表示建议做某事。 ★2. C → How about + doing，about是介词后接动名词。 ★3. C → Shall we + 动词原形？ 是提出建议的礼貌表达。 考点六参考答案与解析 基础题参考答案： ◇1. B → Jam是第三人称单数，often提示一般现在时，play加s。 ◇2. B → Lily是三单，go以o结尾加es→goes。 ◇3. B → fly三单变y为i加es→flies。 提升题参考答案： ▷1. B → Bella是三单，like加s→likes。 ▷2. B → usually提示一般现在时，Chen Wei三单，plant加s。 ▷3. B → she三单否定用doesn't，后接动词原形have。 拓展题参考答案： ★1. A → He是三单，play应为plays。 ★2. B → Does提问用does回答，Yes, she does. ★3. B → Zhou Kai三单否定用doesn't + 动词原形play。 考点七参考答案与解析 基础题参考答案： ◇1. C → Why提问原因，用Because引导原因回答。 ◇2. B → Why not提问原因，用Because回答。 ◇3. D → 回答用Because提示问句用Why提问原因。 提升题参考答案： ▷1. B → 她喜欢雨天和她可以在家读书是因果关系，用because。 ▷2. C → 天晴是原因，去公园是结果，用so连接。 ▷3. B → Why does...提问用Because回答。 拓展题参考答案： ★1. C → because和so不能连用，C句重复了因果连词。 ★2. C → 她开心和她要去放风筝是因果关系，用because。 ★3. D → Why提问原因，用Because + 主语 + 谓语回答。 考点八参考答案与解析 基础题参考答案： ◇1. B → sun双写n加y→sunny'晴朗的'。 ◇2. B → rain直接加y→rainy'多雨的'，不是rainny。 ◇3. B → wind直接加y→windy'有风的'。 提升题参考答案： ▷1. B → fog双写g加y→foggy'有雾的'。 ▷2. B → snow直接加y→snowy'下雪的'。 ▷3. B → cloud直接加y→cloudy'多云的'。 拓展题参考答案： ★1. B → rainy正确拼写是直接加y，不是双写n。rainny是错误拼写。 ★2. B → sun双写n加y→sunny，修饰day用形容词。 ★3. B → 描述某地天气特征用形容词rainy，is后接形容词。 考点九参考答案与解析 基础题参考答案： ◇1. C → 春天温暖，warm'温暖的'符合春季特征。 ◇2. B → 夏天炎热，hot符合夏季特征，可以去游泳。 ◇3. C → 秋天凉爽，cool'凉爽的'符合秋季特征。 提升题参考答案： ▷1. D → 武汉冬天偶尔下雪，堆雪人提示选snowy。 ▷2. C → 放风筝需要风，windy'有风的'最适合。 ▷3. D → 太热了想待在家，hot'炎热的'符合语境。 拓展题参考答案： ★1. C → 喜欢春天和到处是花是因果关系，用because。 ★2. C → 青岛靠海，海水调节气温，夏天不太热。 ★3. D → 有雾时爬山危险，foggy和climb hills不匹配。 考点十参考答案与解析 基础题参考答案： ◇1. C → day是可数名词单数，用What a + adj. + n.! ◇2. B → Sorry提示拒绝，因为有作业所以不能去。 ◇3. A → Let's后接动词原形go，Let's go home'我们回家吧'。 提升题参考答案： ▷1. B → 经常去游泳说明天气热，用hot。 ▷2. C → Why not提议去野餐，Good idea表示赞同。 ▷3. A → 有风适合放风筝，Let's fly a kite提议去放风筝。 拓展题参考答案： ★1. B → Bella说because I can climb hills且It's cool，说明她喜欢秋天因为凉爽。 ★2. C → Jam说Sorry I can't且must do homework，所以他们明天不会去野营。 ★3. C → Olivia说cloudy，Bella说windy too，综合可知天阴且有风。 第 页 学科网（北京）股份有限公司 $