Unit 5 Let's go!（易错题专项训练·基础知识）英语外研版三起四年级上册（新教材）

**基本信息** 聚焦Unit 5核心发音与功能句型，通过“高频易错点解析+针对性小练笔+综合应用”体系，强化语言能力与学习能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |字母组合sh/ch发音|5题辨音|发音要领（清辅音/ʃ/与/tʃ/）+例词对比|从音标规则到辨音应用，构建语音基础| |出行方式句型|4题单选|句型结构（How do/does...get to...）+第三人称变化规则|从基础句型到人称变式，提升语言表达准确性| |建议句型|5题单选|Let+宾格+动词原形（肯定/否定式）|从结构解析到情境应用，培养交际能力| |时间表达|6题填空|It's time to+动词/for+名词辨析|通过对比强化易混结构，提升语法应用能力| |感叹句|4题单选|What+a/an+adj.+名词/How+adj.结构区分|从形式差异到语境选择，发展思维品质|

Unit 5 Let’s go! 专题01 基础知识·易错题专项训练 · 内容导航 · 字母组合sh和ch的发音 询问出行方式的句型 提出建议或邀请一起做某事 表达做某事的时候了 What引导的感叹句 高频易错点、易错点提示、小练笔、答题点拨 易错精讲 字母组合sh和ch的发音高频易错点01 · 字母组合sh的发音 音标：/ʃ/ 发音要领：/ʃ/ 是清辅音，发音时声带不振动。舌前部接近上齿龈，让气流从舌面与上腭间的缝隙中挤出时摩擦成音。 例词：she她 ship大船 shark鲨鱼 · 字母组合ch的发音 音标：/tʃ/ 发音要领：/tʃ/ 是清辅音，发音时声带不振动。双唇略微张开突出，舌尖抵住上齿龈，用力吐气。发 /t/ 和 /ʃ/ 音时，瞬间合一。 例词：children 孩子们 chair 椅子 chicken 鸡，鸡肉 小练笔01 找出下列单词中，画线部分发音不同的一项。 ( ) 1．A．she B．chair C．children ( ) 2．A．whoosh B．wash C．chug ( ) 3．A．school B．chair C．China ( ) 4．A．ship B．shop C．chair ( ) 5．A．China B．lunch C．school 询问出行方式的句型高频易错点02 【课文原句】 —How do we get there? 我们怎么到达那里？ —Let’s go by car! 让我们坐汽车去吧！ 【句型结构】 问句：How do we get/go (to)+ 某地？ 答语：We go by + 交通工具. 【重点解析】 · 问句用于询问 “我们” 的出行方式，当 “某地” 为地点副词（there、home 等）时，介词 to 要省略； · 回答时，交通方式一般用 “by + 交通工具” 表达。 例句：—How do we get to Beijing? 我们怎么去北京？ —We go by plane. 我们坐飞机去。 易错点提示 当出行人为第三人称单数时： 【句型结构】 问句：How do/does + 主语 + get/go (to)+ 某地？ 答语：主语 + go/goes by + 交通工具. 【重点解析】 · 问句用于询问某人的出行方式，当主语为第三人称单数时，助动词用 does；当主语为其他人称时，助动词用 do； · 答语还可直接用 “By + 交通工具.”。 例句：—How do you go to the zoo? 你怎么去动物园？ —I go by bus. 我乘公交车去。 小练笔02 单选题。 ( ) 1．How ________ the children get back home? A．do B．does C．is ( ) 2．—How do we get to the zoo? —________ A．By foot. B．On bus. C．By car. ( ) 3．—How do we go to the park? —________ A．It’s cloudy. B．It’s beside the school. C．By bike. ( ) 4．—How do you go to Beijing? —I go to Beijing ________ plane. A．take B．by C．in 提出建议或邀请一起做某事高频易错点03 【课文原句】Let’s go in a "green" way. 让我们绿色出行。 【句型结构】Let + 宾语 + 动词原形 + 其他。 【重点解析】 · “Let’s” 是 “Let us” 的缩写形式，意为 “让我们”。 · 句型中 “动词原形” 是核心谓语成分，必须用动词的原形形式，不可用第三人称单数或其他形式。 例句：Let’s go to the zoo. 让我们去动物园。 易错点提示 1.肯定形式：Let + 宾语 + 动词原形 (+ 其他). 例：(1) Let’s go to the park. 让我们去公园。 (2) Let her go there by bus. 让她乘公交车去那里。 2.否定形式：Don’t + let + 宾语 + 动词原形 (+ 其他)./Let + 宾语 + not + 动词原形 (+ 其他).例：(1) Don’t let him go out this evening. 不要让他今晚出去。 (2) Let’s not eat junk food too much. 我们不要吃太多垃圾食物。 小练笔03 单选题。 ( ) 1．Let’s ________ a picnic. A．have B．has C．having ( ) 2．—Let’s ________ for a picnic in the park. —Great! A．go B．goes C．going ( ) 3．Let’s go ________ a “green” way. A．at B．on C．in ( ) 4．Let’s go ________ a picnic in the park. A．for B．to C．with ( ) 5．—Let’s go to the park by bike. —________ A．No, I don’t. B．Good idea! C．Yes, I can. 表达做某事的时候了高频易错点04 【课文原句】It's time to go to Qatar! 是时候去卡塔尔了！ 【句型结构】 It's time to + 动词原形 + 其他. 【重点解析】 · “It's time” 是固定搭配，“it” 在这里是形式主语，真正主语是后面的 “to + 动词原形”。 · “to” 是不定式符号，后面必须跟动词原形（如例句中的 “go”）。 · “go to + 地点” 表示 “去某个地方”，卡塔尔是国家名称，前面不加定冠词 “the”。 易错点提示 辨析It’s time to和It’s time for： 两者都表示 “是时候做某事”，区别在于后面接的内容不同。 【核心区别】 · It's time to + 动词原形：“to” 是不定式符号，后面必须跟具体动作（动词）。 · It's time for + 名词 / 动名词：“for” 是介词，后面接动作对应的对象（名词）或动作的名词形式（动名词）。 例句：It's time to have breakfast.（该吃早饭了）= It's time for breakfast.（该吃早饭了） 小练笔04 选词填空。 for       to 1．It’s time ________ school. 2．It’s time ________ have dinner. 3．It’s time ________ play football. 4．It’s time ________ P. E. class. 5．It’s time ________ go swimming. 6．It’s time ________ breakfast. What引导的感叹句高频易错点05 【课文原句】What a long way! 多么长的一段路呀！ 【句型结构】What + a/an + 形容词 + 可数名词单数 (+ 主语 + 谓语)! 【重点解析】 · What 在感叹句中作为引导词，核心作用是修饰名词，强调名词所体现的特征（如 long 修饰 way）。 · 主语和谓语（如 it is/they are）在口语或非正式表达中常可省略，使句子更简洁有力（如课文原句 What a long way! 就省略了 it is）。 例：What a beautiful flower (it is)! 多么漂亮的一朵花呀！ 易错点提示 1. 区分 a 和 an：若形容词以元音音素开头，用 an；以辅音音素开头，用 a。例：What an interesting book! 多么有趣的一本书！ 2. how 引导的感叹句： 【句型结构】 ① How + 形容词 / 副词 (+ 主语 + 谓语)! 例句：How happy he is! 他多么开心！ ② How + 主语 + 谓语！ 例句：How time flies! 时光飞逝！ 小练笔05 单选题。 ( ) 1．—________ a nice day! —Thank you! A．How B．What C．Where ( ) 2．What ________ long way! We’re very tired now. A．a B．an C．the ( ) 3．________ beautiful place! A．What B．What a C．How ( ) 4．________ cold it is! A．What B．How C．How a 综合训练 一、读一读，圈出句中含有与所给单词画线部分相同发音的单词。 1．My mother is a teacher. She can teach English. 2．The children are drawing flowers in the school. 3．My grandma is making lunch in the kitchen. 4．Look at the boy. He has a big peach in his hand. 5．Tom loves China. Chinese people are very friendly. 二、单词分类。请将下列单词按类别写在相应的横线上。 plane bus walk bike train ship taxi run car swim 1．交通工具： 2．出行方式 (非具体交通工具)： 三、单项选择。 ( ) 1．—How do you go to school? —I go to school ______ foot. A．by B．on C．with ( ) 2．My father goes to work ______ car every day. A．by B．in C．on ( ) 3．I go to school ______ bike. A．by B．on C．in ( ) 4．We can travel by ______. It’s fast. A．bike B．bus C．plane ( ) 5．We go to school _________ different ways. A．from B．with C．in ( ) 6．—Let’s go ________ a picnic in the park. —Hooray! A．by B．with C．for ( ) 7．My mother goes to work _____ car. My father goes to work _____ foot. A．by; by B．by; on C．on; by ( ) 8．My grandpa goes to Shanghai ______ train with his friends. A．in B．on C．by ( ) 9．Let’s go there by car. It’s _______. A．fast B．long C．easy ( ) 10．Hainan is a good _______. Many people come to visit it every year. A．city B．town C．place 四、选词填空。 by bus on foot by car by bike green 1．My grandpa goes to the park . He likes walking. 2．My parents go to work together. 3．Many students go to school in our city. 4．I go to school every day. 5．Walking is a way of travelling. 五、给句子找出合适的答语。 A．By bike. B．Good idea! C．You’re right. D．Let’s go by bus. E．In a small town. ( ) 1．Haikou is a beautiful city. ( ) 2．Where do you live, Sam? ( ) 3．Let’s go for a picnic this Sunday. ( ) 4．How do we go to the park today? ( ) 5．How do you go to school every day? 六、连词成句。 1．let’s, have, a, picnic (.) 2．how, you, do, to, get, the, city (?) 3．near, my, is, home, the, park (.) 4．straight, Go, the, to, on, museum (.) 5．goes, work, He, to, foot, on (.) 七、选择合适的选项，补全对话。 A．Go at a green light! B．Let’s meet in ten minutes. C．What’s the weather like today? D．Let’s go to the zoo to see the animals. E．We can go by bike. A: 1. B: It’s sunny and warm. C: 2. A &B: Hooray! How do we get there? C: 3. It’s a “green” way. B: OK! 4. Ten minutes later. A: Wear a helmet! B: OK! Let’s go! A: Stop! It’s the red light. It’s dangerous. C: It’s the green light now. 5. 八、阅读对话，选择正确的答案。 Mum: Let’s go for a picnic in the park. Daming and Sister: Hooray! Sister: How do we get there? Daming: Let’s go by car! It’s fast! Dad: No, let’s go in a “green” way! Daming: A green way? Dad: Yes. Go and get ready. Let’s meet in five minutes. Daming: We are green now! Let’s go! Mum: Ha ha! Not that kind of green! Dad: This kind of green! ( ) 1．Are they going to the zoo? A．Yes, they are. B．No, they aren’t. C．We don’t know. ( ) 2．Daming wants to go by car at first because ________. A．it’s green. B．he can wear green clothes. C．it’s fast. ( ) 3．Daming’s family want to ________. A．have a picnic B．see the pandas C．play football ( ) 4．Daming’s family are going by ________. A．bus B．truck C．car ( ) 5．What does Dad mean (意思) by “a ‘green’ way”? A．Wear green clothes. B．Go in an environmentally friendly(对环境友好的) way. C．Go under the tree. 九、读短文，判断下面句子的正(T)误(F)。 There are many cool ways to go to different places. In your city, you can travel easily. You can walk. It’s slow but fun. You can see flowers, trees and little birds on the way. You can also ride a bike. It’s good for your body. Taking a bus is another great choice. But you need to wait. If you want to travel to other cities, you can go by plane. A plane is fast, but it’s expensive. If you have a lot of time, you can go by train or ship. It’s so nice to have so many ways to travel. ( ) 1．There are six ways to get to different places in the passage (短文) . ( ) 2．You can see flowers, trees and little birds when you walk in the city. ( ) 3．You don’t need to wait for the bus. ( ) 4．The word choice means (意思是) “选择” in Chinese. ( ) 5．If you have got much time to travel to another city, you must go there by plane. 参考答案 小练笔 01 1．A 2．C 3．A 4．C 5．C 小练笔 02 1．A 2．C 3．C 4．B 小练笔 03 1．A 2．A 3．C 4．A 5．B 小练笔 04 1．for 2．to 3．to 4．for 5．to 6．for 小练笔 05 1．B 2．A 3．B 4．B 综合训练 一、读一读，圈出句中含有与所给单词画线部分相同发音的单词。 1．圈teacher，teach 2．圈 children 3．圈lunch，kitchen 4．圈peach 5．圈China， Chinese 二、单词分类。请将下列单词按类别写在相应的横线上。 1．plane，bus，bike，train，ship，taxi，car 2．walk，run，swim 三、单项选择。 1．B 2．A 3．A 4．C 5．C 6．C 7．B 8．C 9．A 10．C 四、选词填空。 1．on foot 2．by car 3．by bus 4．by bike 5．green 五、给句子找出合适的答语。 1．C 2．E 3．B 4．D 5．A 六、连词成句。 1．Let’s have a picnic. 2．How do you get to the city? 3．My home is near the park. 4．Go straight on to the museum. 5．He goes to work on foot. 七、选择合适的选项，补全对话。 1．C 2．D 3．E 4．B 5．A 八、阅读对话，选择正确的答案。 1．B 2．C 3．A 4．A 5．B 九、读短文，判断下面句子的正(T)误(F)。 1．T 2．T 3．F 4．T 5．F 第 1 页 共 18 页 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $