Unit3 单元复习知识2025-2026学年人教版英语七年级下册

该初中英语人教版7年级下册Unit3 Keep Fit知识清单全面梳理了“保持健康”主题内容，涵盖基础短语（运动类型、频率表达、健康行为与效果）、核心单词、核心句型及频度副词语法，搭建了从短语积累到句型运用再到语法巩固的递进式学习支架。 清单采用分类呈现与情境例句结合的方式组织知识体系，如基础短语分三类并配生活场景例句，核心句型按功能（频率提问、鼓励表达等）分结构且附应用实例，培养学生语言能力。频度副词按频率排序并明确位置规则，小练习设计针对性填空和造句，不同基础学生可高效掌握，教师可据此精准设计教学，提升课堂实效。

人教版7年级下册英语 Unit3 Keep Fit知识清单 一、基础短语（必掌握） （一）运动类型 do exercise（做运动） 例句：We do exercise every afternoon to strengthen our bodies and keep fit. jump rope（跳绳） 例句：Jump rope for 10 minutes every morning is a simple way to improve heart health. play sport（进行体育活动） 例句：My family often plays sport together on weekends, like badminton or cycling. go swimming（去游泳） 例句：I go swimming twice a week in summer—it cools me down and helps build muscle. （二）频率表达 once or twice at weekends（周末一两次） 例句：She does yoga once or twice at weekends to relax and keep her body flexible. three times a week（一周三次） 例句：He practices running three times a week to prepare for the school sports meeting. （三）健康行为与效果 keep fit（保持健康） 例句：Eating vegetables and doing exercise regularly help us keep fit. make progress（取得进步） 例句：After a month of practice, I made progress in my 800-meter running time. practice doing sth（练习做某事） 例句：We need to practice playing table tennis more to get better and stay healthy. talk about sth（谈论某事） 例句：Students often talk about how to keep fit with their classmates during breaks. instead of（代替；反而） 例句：I walk to school instead of taking the bus to get more exercise every day. work out（成功发展；（身体）锻炼） 例句：If you stick to exercising, your health will work out well. 二、核心单词（必掌握） 单词 含义 主题用法 / 例句 seldom 很少 She seldom eats junk food because it’s bad for her health. often 经常 We often go for a walk after dinner to help digestion and keep fit. hardly 几乎不 He hardly stays up late, so he always has enough energy for morning exercise. still 还；仍然 They still keep the habit of doing morning exercises even in cold weather. sleepy 困倦的 If you don’t sleep enough, you’ll feel sleepy and can’t focus on PE class. sleep 睡觉 We need to sleep 8 hours every night to keep our bodies and minds healthy. succeed 成功 She succeeded in keeping a daily exercise plan for three months. progress 进步（不可数） He made great progress in his fitness level after joining the school sports club. try 尝试 We should try to do different sports, like swimming or running, to keep fit. 三、核心句型（必掌握） （一）频率提问 句型结构：How often + 助动词 + 主语 + 实义动词？ 例句： How often do you go swimming to keep fit?（你多久去游一次泳来保持健康？） How often does she practice jump rope after school?（她放学后多久练一次跳绳？） （二）表推测 句型 1：Maybe + 陈述句 例句：Maybe he will join our morning exercise group tomorrow.（也许他明天会加入我们的晨练小组。） 句型 2：主语 + may be + 表语 例句：She may be late for the sports meeting because she didn’t sleep well.（她可能会迟到运动会，因为她没睡好。） （三）鼓励表达 句型结构：encourage sb to do sth 例句： Teachers encourage us to keep exercising daily to stay healthy.（老师鼓励我们每天坚持锻炼来保持健康。） My parents encourage me to try playing tennis to improve my fitness.（父母鼓励我尝试打网球来提升体能。） （四）运动与频率结合 句型 1：go + 动名词（表达运动类型） 例句：We often go running in the park on weekends.（我们周末经常去公园跑步。） 句型 2：主语 + 频率短语 + 实义动词（描述习惯频率） 例句：He plays basketball three times a week to keep his body strong.（他一周打三次篮球来保持身体强壮。） （五）尽力做某事（强调坚持健康目标） 句型结构：try one’s best to do sth 例句：We should try our best to keep a balanced diet and do exercise to stay fit.（我们应该尽力保持均衡饮食和锻炼来保持健康。） （六）健康建议 例句： It’s important to do exercise regularly if you want to keep fit.（如果你想保持健康，定期锻炼很重要。） It’s good to eat more fruits and vegetables instead of junk food.（多吃水果和蔬菜，而不是垃圾食品，对身体好。） 四、语法：频度副词（必掌握） （一）常见频度副词（按频率从高到低排序） always（总是）→ usually（通常）→ often（经常）→ sometimes（有时）→ seldom（很少）→ hardly ever（几乎不）→ never（从不） （二）位置规则 位于 be 动词、助动词、情态动词之后，实义动词之前。 例句： She is always the first to join morning exercise.（她总是第一个参加晨练。） They often play football after school.（他们放学后经常踢足球。） sometimes 可位于句首、句中或句末。 例句： Sometimes we go hiking on weekends to keep fit.（有时我们周末去徒步来保持健康。） We sometimes have PE class in the afternoon.（我们下午有时会上体育课。） （三）频率短语 结构：once + 时间单位（一次……）、twice + 时间单位（两次……）、基数词 + times + 时间单位（…… 次……） 例句： I do yoga once a week to relax my body.（我一周练一次瑜伽来放松身体。） They go to the gym twice a month to do strength training.（他们一个月去两次健身房做力量训练。） He drinks milk three times a day to keep his bones strong.（他一天喝三次牛奶来保持骨骼强壮。） （四）时态搭配 常与一般现在时连用，描述长期稳定的健康习惯。 例句： He never eats fast food before doing exercise.（他运动前从不吃快餐。） We usually walk to school to get more physical activity.（我们通常步行上学来增加运动量。） 小练习（配套主题巩固） 用合适的短语填空：We should ______（做运动）every day to ______（保持健康）.（答案：do exercise；keep fit） 用频度副词填空：She ______（很少）eats junk food, but she ______（经常）eats fruits.（答案：seldom；often） 按要求造句：用 “How often” 提问关于 “go swimming” 的频率。（答案：How often do you go swimming to keep fit?） 学科网（北京）股份有限公司 $