Unit 4 Helping in the community(知识清单+典型例题+分层练习)(讲义)-2025-2026学年人教PEP版(2024)英语四年级上册

2025-07-12
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Unit 4 Helping in the community(知识清单+典型例题+分层练习) 英语人教PEP版四年级上册(新教材) 内容 音标 含义 例句 重点单词 firefighter /ˈfaɪəfaɪtə(r)/ 消防员 The firefighter is brave and strong.(消防员勇敢又强壮。) why /waɪ/ 为什么 Why is the sky blue?(天空为什么是蓝色的?) driver /ˈdraɪvə(r)/ 司机 The driver drives the school bus.(司机开校车。) cleaner /ˈkliːnə(r)/ 清洁工 The cleaner uses soap and water.(清洁工使用肥皂和水。) cook /kʊk/ 厨师;烹饪 The cook makes yummy food.(厨师做美味的食物。) delivery worker /ˈdelɪvəri ˈwɜːkə(r)/ 快递员 The delivery worker brought the package today.(快递员今天带来了包裹。) police /pəˈliːs/ 警察(群体) The police help people stay safe.(警察保障人们的安全。) police officer /pəˈliːs ɒfɪsə(r)/ 警官 A police officer directs traffic.(警官指挥交通。) those /ðəʊz/ 那些 Those shoes are very colorful.(那些鞋子色彩鲜艳。) bed /bed/ 床 I sleep in my bed.(我睡在我的床上。) make the bed /meɪk ðə bed/ 铺床 Please make the bed now.(现在请铺床。) old /əʊld/ 年老的;旧的 My grandpa is very old.(我爷爷年纪很大。) tell /tel/ 告诉;讲述 Tell me a story, please.(请给我讲个故事。) everyone /ˈevriwʌn/ 每个人 Everyone is happy today.(今天每个人都很开心。) volunteer /ˌvɒlənˈtɪə(r)/ 志愿者 I volunteer to help clean the park.(我自愿帮忙打扫公园。) 重点短语 a lot of /ə lɒt ɒv/ 许多 I have a lot of friends.(我有很多朋友。) help others /help ˈʌðəz/ 帮助别人 We should help others.(我们应该帮助别人。) tell stories /tel ˈstɔːriz/ 讲故事 My grandma often tells stories to me.(我奶奶经常给我讲故事。) clean the room /kliːn ðə ruːm/ 打扫房间 I clean the room on weekends.(我周末打扫房间。) old people's home /əʊld ˈpiːplz həʊm/ 养老院 We visit the old people's home.(我们参观养老院。) 重点句型 询问职业:What's his/her job? He/She is a... - 询问他人职业 —What's her job? —She is a cleaner.(—她的工作是什么?—她是清洁工。) 描述正在做的事:Sb. is + 动词-ing. - 现在进行时描述动作 Chen Jie is making the bed.(陈杰正在铺床。) 询问正在做的事:What are they doing? They are + 动词-ing. - 询问他人正在做的事 —What are they doing? —They're cleaning the room.(—他们在做什么?—他们在打扫房间。) 表达自愿做某事:I volunteer to... - 表达自愿行为 I volunteer to help old people.(我自愿帮助老人。) (一)一般现在时(第三人称单数) 1. 用法:主语为he、she、it或单个人名时,谓语动词用第三人称单数形式。 2. 变化规则: · 一般动词加-s:help→helps、tell→tells、like→likes; · 以-s、-x、-sh、-ch、-o结尾加-es:wash→washes、go→goes、watch→watches; · 以辅音字母+y结尾,变y为i加-es:study→studies; · 特殊变化:have→has。 例:He helps people in need.(他帮助有需要的人。)She tells stories every night.(她每晚讲故事。) (二)现在进行时 1. 用法:表示现在正在进行的动作。 2. 结构:主语 + be动词(am/is/are) + 动词-ing形式。 · I用am:I am cleaning the room.(我正在打扫房间。) · 第三人称单数用is:She is making the bed.(她正在铺床。) · 复数主语用are:They are telling stories.(他们正在讲故事。) 3. 动词-ing变化: · 一般加-ing:clean→cleaning、help→helping; · 去e加-ing:make→making、write→writing; · 双写尾字母加-ing:run→running、swim→swimming。 (三)字母组合发音 1. “ph”发/f/:photo(照片)、phone(电话)、elephant(大象); 2. “ng”发/ŋ/:sing(唱歌)、song(歌曲)、long(长的)。 1. 一般现在时(第三人称单数) 题目:The police officer ______ traffic every morning. A. direct B. directs C. directing 【答案】B 【解析】主语为第三人称单数,动词用三单形式“directs”,故选B。 【同步练习】 1. My father ______ a bus. He is a good driver. A. drive B. drives C. driving 2. She ______ old people with their chores. A. help B. helps C. helping 3. Everyone ______ the kind cleaner. A. like B. likes C. liking 2. 现在进行时 题目:—What ______ they ______ in the community? —They're helping old people. A. are;do B. are;doing C. is;doing 【答案】B 【解析】现在进行时结构为“are+doing”,主语“they”用are,故选B。 【同步练习】 1. Look! The firefighter ______ a cat from the tree. A. saves B. is saving C. save 2. We ______ to the old people's home now. A. walk B. walks C. are walking 3. —______ your mother making the bed? —Yes, she is. A. Is B. Are C. Do 3. 字母组合发音 题目:下列单词中“ph”发音为/f/的是______ A. physics B. think C. sing 【答案】A 【解析】“physics”中“ph”发/f/,B、C中“ng”发/ŋ/,故选A。 【同步练习】 1. 发音不同的一组是______ A. photo;phone B. song;long C. elephant;sing 2. “strong”中“ng”的发音是______ A. /n/ B. /ŋ/ C. /f/ 3. 下列单词“ph”发音一致的是______ A. phase;thing B. phone;elephant C. sing;phrase 基础巩固 1. 单词拼写(根据中文写英文) (1)消防员 ______ (2)司机 ______ (3)清洁工 ______ (4)志愿者 ______ (5)铺床 ______ 2. 单项选择(选择最佳答案) (1)—What's your brother's job? 3. —He's a ______ . He drives a taxi. A. cleaner B. driver C. cook (2)They ______ stories to the old people every weekend. A. tell B. tells C. telling (3)Look! The delivery workers ______ packages. A. are carrying B. carry C. carries (4)—Why ______ you help in the community? —Because it's fun. A. do B. does C. are (5)______ people in our community are very kind. A. This B. Those C. That 4. 句型转换(按要求改写句子) (1)He is a police officer.(对划线部分提问) (2)They are cleaning the street.(改为一般疑问句) (3)She tells stories to kids.(改为现在进行时) (4)My mother is a cook.(改为否定句) (5)I volunteer to help old people.(对划线部分提问) 能力提升 1. 完形填空(阅读短文,选择最佳答案) We live in a nice community. There ______(1) many helpful people. My neighbour is a firefighter. He ______(2) brave. Every morning, cleaners ______(3) the streets. Now, some volunteers ______(4) to the old people's home. They ______(5) stories to the old. (1)A. is B. are C. am (2)A. is B. are C. be (3)A. clean B. cleans C. cleaning (4)A. go B. are going C. goes (5)A. tell B. tells C. are telling 2. 句子排序(将下列句子排成通顺的对话) ( )He is a driver. He drives a school bus. ( )What's his job? ( )Who is that man? ( )He is my father. ( )Wow, he's great! 3. 短文填空(根据上下文填单词,每空一词) My aunt is a ______(1). She works in a hospital. But she often volunteers in our community. On weekends, she ______(2) the old people's home. She helps old people ______(3) their rooms. She also ______(4) stories to them. Everyone ______(5) her very much. 4. 句子匹配(左边为问句,右边为答句,连线) (1)What does a cleaner do? A. They are telling stories. (2)What are the volunteers doing? B. He is a police officer. (3)What's his job? C. She volunteers in the community. (4)What does she do in her free time? D. He helps people cross the road. (5)What does a police officer do? E. He cleans the streets. 5. 选择合适的句子补全对话(5个空,5个选项) A: Look! There are many people in the community centre. B: ______(1) A: Some are volunteers. B: ______(2) A: They are helping old people. B: ______(3) A: Yes, she is. She is making the bed. B: ______(4) A: He is a firefighter. He volunteers here every weekend. B: ______(5) A: Yes, let's join them! 选项: A. Is your mother helping too? B. Who are they? C. What are they doing? D. Let's help them. E. What's that man's job? 思维拓展 1. 阅读理解(阅读短文,选择最佳答案) Hello, I'm Linda. My community is very nice. There are many helpful people. Mr Lee is a firefighter. He often helps people out of danger. Mrs Wang is a cleaner. She makes our community clean. My father is a police officer. He directs traffic at the crossing. Now, they are all working. Mr Lee is checking the fire truck. Mrs Wang is cleaning the park. My father is helping a lost boy. I love my community! (1)Mr Lee is a ______. A. cleaner B. firefighter C. police officer (2)Mrs Wang makes the community ______. A. clean B. safe C. big (3)Linda's father is ______ now. A. directing traffic B. helping a lost boy C. checking the truck (4)What is Mrs Wang doing now? A. She is cleaning the park. B. She is helping old people. C. She is telling stories. (5)Linda ______ her community. A. loves B. doesn't like C. lives in 2. 书面表达(根据提示写短文) 提示:以“My Community Helpers”为题,介绍社区里2-3种职业的人及其帮助行为,不少于5句话。 答案与解析 同步练习答案与解析 (一)一般现在时(第三人称单数) 1. 【答案】B 【解析】主语为第三人称单数,动词用三单形式“drives”,故选B。 2. 【答案】B 【解析】主语“she”为三单,动词用“helps”,故选B。 3. 【答案】B 【解析】“everyone”作单数,动词用“likes”,故选B。 (二)现在进行时 1. 【答案】B 【解析】“Look!”提示现在进行时,用“is saving”,故选B。 2. 【答案】C 【解析】“now”提示现在进行时,主语“we”用“are walking”,故选C。 3. 【答案】A 【解析】主语为三单,现在进行时疑问句用“Is”,故选A。 (三)字母组合发音 1. 【答案】C 【解析】A中“ph”均发/f/;B中“ng”均发/ŋ/;C中“elephant”(ph/f)与“sing”(ng/ŋ/)不同,故选C。 2. 【答案】B 【解析】“strong”中“ng”发/ŋ/,故选B。 3. 【答案】B 【解析】B中“phone”和“elephant”的“ph”均发/f/,故选B。 分层练习答案与解析 基础巩固 1. 单词拼写 (1)【答案】firefighter (2)【答案】driver (3)【答案】cleaner (4)【答案】volunteer (5)【答案】make the bed 2. 单项选择 (1)【答案】B 【解析】“drives a taxi”对应职业“driver”,故选B。 (2)【答案】A 【解析】主语“they”为复数,动词用原形“tell”,故选A。 (3)【答案】A 【解析】“Look!”提示现在进行时,用“are carrying”,故选A。 (4)【答案】A 【解析】主语“you”,助动词用“do”,故选A。 (5)【答案】B 【解析】“people”为复数,用“those”修饰,故选B。 3. 句型转换 (1)【答案】What's his job? 【解析】对职业提问用“what”,将“is”提前。 (2)【答案】Are they cleaning the street? 【解析】现在进行时疑问句将“are”提前。 (3)【答案】She is telling stories to kids. 【解析】现在进行时结构为“is + telling”。 (4)【答案】My mother is not a cook. 【解析】在“is”后加“not”变否定。 (5)【答案】What do you volunteer to do? 【解析】对行为提问用“what”,借助助动词“do”。 能力提升 1. 完形填空 (1)【答案】B 【解析】“many people”为复数,“there be”用“are”,故选B。 (2)【答案】A 【解析】主语“he”为三单,“be”用“is”,故选A。 (3)【答案】A 【解析】主语“cleaners”为复数,动词用原形“clean”,故选A。 (4)【答案】B 【解析】“Now”提示现在进行时,用“are going”,故选B。 (5)【答案】C 【解析】语境提示正在讲故事,用“are telling”,故选C。 2. 句子排序 【答案】3;2;1;4;5 【解析】逻辑:问人物→答身份→问职业→答职业→评价。 3. 短文填空 (1)【答案】nurse 【解析】由“works in a hospital”可知为“nurse”。 (2)【答案】visits 【解析】主语“she”为三单,“拜访”用“visits”。 (3)【答案】clean 【解析】“help sb. do”用原形“clean”。 (4)【答案】tells 【解析】主语三单,“讲故事”用“tells”。 (5)【答案】likes 【解析】“everyone”作单数,“喜欢”用“likes”。 4. 句子匹配 (1)【答案】E 【解析】清洁工的工作是“打扫街道”,故选E。 (2)【答案】A 【解析】志愿者正在做的事对应“讲故事”,故选A。 (3)【答案】B 【解析】问职业对应“警察”,故选B。 (4)【答案】C 【解析】空闲时间做的事对应“社区志愿服务”,故选C。 (5)【答案】D 【解析】警察的工作是“帮助过马路”,故选D。 5. 补全对话 (1)【答案】B 【解析】问“他们是谁”对应答句“一些是志愿者”,故选B。 (2)【答案】C 【解析】问“他们在做什么”对应答句“帮助老人”,故选C。 (3)【答案】A 【解析】答句“是的,她在”对应问“你妈妈也在帮忙吗”,故选A。 (4)【答案】E 【解析】答句“他是消防员”对应问职业,故选E。 (5)【答案】D 【解析】答句“加入他们”对应提议“帮助他们”,故选D。 思维拓展 1. 阅读理解 (1)【答案】B 【解析】由“Mr Lee is a firefighter”可知。 (2)【答案】A 【解析】由“Mrs Wang... makes our community clean”可知。 (3)【答案】B 【解析】由“my father... is helping a lost boy”可知。 (4)【答案】A 【解析】由“Mrs Wang is cleaning the park”可知。 (5)【答案】A 【解析】由“I love my community”可知。 2. 书面表达(略) 学科网(北京)股份有限公司 $$

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Unit 4 Helping in the community(知识清单+典型例题+分层练习)(讲义)-2025-2026学年人教PEP版(2024)英语四年级上册
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Unit 4 Helping in the community(知识清单+典型例题+分层练习)(讲义)-2025-2026学年人教PEP版(2024)英语四年级上册
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Unit 4 Helping in the community(知识清单+典型例题+分层练习)(讲义)-2025-2026学年人教PEP版(2024)英语四年级上册
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