12.Unit 3 Food matters 单元重点汇总三-【一飞冲天】2025-2026学年新教材七年级英语下册课时作业（外研版）

一心冲天 单元重点汇总三 写作重点 Say No to Junk Food Dear students, Nowadays,we can buy junk food easily.We may like to eat hamburgers and drink cola,because junk food tastes delicious. But junk food is not good for our body.It also makes us fat.So we should know how to keep a healthy lifestyle.First,eat three meals a day on time.Second, take more fruit and vegetables.Third,do more outdoor activities. A healthy eating habit can help you be strong and healthy.So let'ssay“No”to junk food. 参考答案课时作业七年级下册英语 单元重 写作重点 ●主题 本单元以“饮食与健康”为主题，学生要学会 用英文描述自己与家人的饮食习惯、健康的饮食 习惯的益处及如何保持健康的饮食习惯。 ●示例 现如今，青少年喜欢吃各种小零食或者垃圾 食品，这些食品存在许多安全隐患，青少年的饮 食安全和健康受到越来越多的关注和重视。请 以“Say No to Junk Food”为题写一篇英文倡议 书，呼吁身边的同学和朋友一起对垃圾食品说 “不”。 内容要点： (1)列举至少两种垃圾食品，并说明人们喜欢它 们的理由； (2)列举至少两条垃圾食品带来的危害； (3)给出两条建议，呼吁人们养成健康的饮食 习惯。 ●主题分析与指导 1.文章应根据提示内容呼吁身边的同学和朋友 一起对垃圾食品说不，时态要用一般现在时。 2.开篇引出话题：Nowadays,we can buy junk food easily.But it does harm to our body to eat much junk food. 3.具体介绍：介绍人们喜欢垃圾食品的原因 People like eating hamburgers because they taste delicious;描述垃圾食品的危害Eating too much junk food is not good for our health. 4.呼吁人们养成健康的饮食习惯：A healthy 一心冲天 京汇总三 eating habit can help you be strong and healthy,so let'ssay“No”to junk food. ●实战练习 Say No to Junk Food Dear students, Nowadays,we can buy junk food easily. 语法重点 本单元的语法重点是连系动词。连系动词 是连接主语和表示主语身份、性质、状态，构成主 系表结构的动词。 1.连系动词的分类 (1)状态连系动词 状态连系动词用来表示主语的状态，只有be 动词。 They were very angry then..那时他们非常 生气。 (2)感官连系动词 感官连系动词主要有feel,smell,sound, taste,look等。 This coat feels very soft.这件外套摸起来 很软。 一冲天 This flower smells very sweet.这花闻起来 很香。 (3)持续连系动词 持续连系动词用来表示主语继续或保持一种 状况或态度，主要有keep,continue,remain, stay等。 He always keeps silent at a meeting.他开会时 总保持沉默。 This matter remains to be a mystery.此事仍 是一个谜。 (4)表象连系动词 表象连系动词表示“看起来”，主要有seem, appear等。 He seems very sad.他看起来很伤心。 It appears a true story.它似乎是一个真实的 故事。 (5)变化连系动词 变化连系动词表示主语变成什么样，主要有 become,grow,turn,fall,get,go等。 Leaves turn green in spring.叶子一到春天就 变绿了。 She grew angry when she heard the news. 听到消息后变得生气了。 2.连系动词的用法 (1)连系动词后通常可接形容词作表语，一般 不接副词。 His English is very good..他的英语很好。 The soup tastes nice.这汤尝起来不错。 (2)连系动词be后可接不定式作表语。 My dream is to be a scientist.我的梦想是当一 名科学家。 All I could do was to wait.我只能等。 Unit 3 Food matters (3)seem,appear,prove,continue,turn out, get,grow,come等连系动词后也可接不定式 (尤其是tobe)作表语。 She always seems to be sad.她常常显得很 忧伤。 He has grown to like studying English.他渐 渐喜欢学英语了。 (4)sound,smell,feel,taste,become等连系 动词后通常不能接不定式。 These oranges taste good.这些橙子味道好 极了。 The roses smell nice.这些玫瑰闻起来很香。 (5)有的连系动词后接的从句可用不定式来 改写。 It seems that she's right. →She seems to be right.她似乎是对的。 It appears that you have made a mistake →You appear to have made a mistake..似乎你 弄错了。 3.连系动词的注意事项 (1)连系动词没有进行时态和被动语态。 (2)有时连系动词后也可接副词作表语，不过 这主要限于in,on,off,out,away,behind, up,down,over,through,around,round, below,inside,outside,here,there,upstairs, downstairs等少数表示地点或方位的副词。 (3)连系动词后所接不定式为tobe时，通常可 以省略。不过，若其后接的是表语形容词，且 谈论客观事实，则tobe通常不宜省略。 He seems (to be)ill. 他似乎生病了。