Unit3 Food matters重要知识点讲解 2025-2026学年外研版七年级英语下册

2026-01-31
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外研英语七下Unit3 Food matters 重要知识点讲解 一、重点单词详解 1. medicine(n. 药;药物;医学) 词性特征:可作可数名词(具体某种药物)或不可数名词(泛指药物/医学) 核心搭配:take (some) medicine(吃药) 同源词:medical(adj. 医学的;医疗的) 例句: ① I had a bad cold, so the doctor told me to take some medicine three times a day.(我得了重感冒,医生让我一天吃三次药。) ② My cousin wants to study medicine and become a doctor.(我表哥想学医,成为一名医生。) ③ The old man needs medical help because of his serious illness.(这位老人因为重病需要医疗救助。) 2. similar(adj. 相似的;近似的;类似的) 核心搭配:be similar to(和……相似/近似/类似) 例句: ① My hobby is similar to my sister's—we both like cooking.(我的爱好和我姐姐的相似,我们都喜欢做饭。) ② These two kinds of noodles look similar but taste different.(这两种面条看起来相似,但味道不一样。) ③ Our learning methods are similar, so we often help each other.(我们的学习方法很相似,所以经常互相帮助。) 3. order(n. 顺序;次序;订单;指令;v. 点菜;命令) 核心搭配: 名词:in order(按顺序)、place an order(下订单) 动词:order sth.(点某物/订购某物)、order sb. to do sth.(命令某人做某事) 例句: ① Please put the books back in the right order after reading.(读完后请把书按正确顺序放回去。) ② Can I take your order now, sir?(先生,现在可以点菜了吗?) ③ She ordered a hamburger and a cup of milk for lunch.(她午餐点了一个汉堡和一杯牛奶。) ④ The teacher ordered the students not to run in the hallway.(老师命令学生们不要在走廊里跑。) 4. loud(adj. 大声的;喧闹的) 副词形式:loudly(大声地;响亮地),用于修饰动词 例句: ① The music in the restaurant is too loud. Can you turn it down?(餐厅里的音乐太大声了,你能调小一点吗?) ② The children are talking loudly in the classroom.(孩子们在教室里大声说话。) ③ He shouted loudly to get his friend's attention.(他大声喊叫以引起朋友的注意。) 5. actually(adv. 实际上;事实上) 同义短语:in fact(其实;实际上) 例句: ① People think this dish is from Italy, but actually it came from China.(人们以为这道菜来自意大利,但实际上它源自中国。) ② She looks quiet, but actually she's very outgoing.(她看起来很文静,但实际上很外向。) ③ I didn't finish my homework—actually, I forgot to do it.(我没完成作业,其实是我忘了做。) 6. mean(v. 意思是;意味着) 名词形式:meaning(意思;意义) 核心搭配:mean sth.(意思是某物)、the meaning of...(……的意思) 例句: ① What does this word mean? I can't understand it.(这个单词是什么意思?我不懂。) ② The red light means "stop" when crossing the road.(过马路时,红灯意味着“停止”。) ③ Do you know the meaning of the English word "delicious"?(你知道英语单词“delicious”的意思吗?) 7. suffer(v. (身体或精神上)受苦;遭受(痛苦)) 核心搭配:suffer from(受(某种病痛)折磨;患有(某种疾病)) 例句: ① Many old people suffer from arthritis in cold weather.(很多老人在寒冷天气会饱受关节炎折磨。) ② He suffered from a headache after working on the computer for a long time.(长时间用电脑后,他头疼得厉害。) ③ We should help those who are suffering from hunger and poverty.(我们应该帮助那些遭受饥饿和贫困的人。) 8. certain(adj. 某个;某些;确定的) 核心搭配:a certain + 名词(某个……)、be certain of/about(确信……) 例句: ① A certain food can always bring back our childhood memories.(某种食物总能唤起我们的童年回忆。) ② I'm certain of his success because he works very hard.(我确信他会成功,因为他非常努力。) ③ She met a certain friend of hers on the way to school.(她在上学路上遇到了她的一个朋友。) 9. delicious(adj. 美味的;可口的) 用法:用于修饰食物,强调味道好 例句: ① My mom cooked delicious dumplings for dinner today.(妈妈今天晚饭做了美味的饺子。) ② The salad in this restaurant is fresh and delicious.(这家餐厅的沙拉新鲜又美味。) ③ I've never eaten such delicious beef noodles before.(我从来没吃过这么美味的牛肉面。) 10. special(adj. 特殊的;特别的;专门的) 例句: ① We have a special dish for the Spring Festival.(我们春节有一道特别的菜。) ② She made a special gift for her best friend's birthday.(她为最好的朋友生日做了一份特别的礼物。) ③ This restaurant offers special services for children.(这家餐厅为儿童提供专门的服务。) 二、重点短语详解 1. bring back(使回忆起;使想起;带回) 用法:后可接名词作宾语,既可以表示“唤起回忆”,也可以表示“实物带回” 例句: ① The smell of osmanthus brings back memories of my hometown.(桂花香唤起了我对家乡的回忆。) ② Can you bring back the book I lent you last week?(你能把我上周借你的书带回来吗?) ③ That old song always brings back happy moments from my childhood.(那首老歌总能唤起我童年的快乐时光。) 2. turn off(关闭;关掉) 用法:通常与电器、水、煤气等搭配,反义词组为turn on(打开) 拓展短语:turn up(开大;调高)、turn down(开小;调低)、turn left/right(左/右拐) 例句: ① Don't forget to turn off the lights when you leave the room.(离开房间时别忘了关灯。) ② She turned off the TV and started to do her homework.(她关掉电视,开始做家庭作业。) ③ Could you please turn off the gas? The soup is already boiling.(你能关掉煤气吗?汤已经烧开了。) 3. see...as...(认为……是……;把……看作……) 同义短语:regard...as...(把……看作……)、consider...as...(认为……是……) 例句: ① Most people see dumplings as a traditional Chinese food.(大多数人认为饺子是中国传统食物。) ② I see my English teacher as a good friend who always helps me.(我把英语老师看作总是帮助我的好朋友。) ③ People often see red as a symbol of happiness in China.(在中国,人们常把红色看作幸福的象征。) 4. suffer from(受(某种病痛)折磨;患有(某种疾病)) 用法:后接具体疾病名称,不能直接接其他名词 例句: ① My grandfather suffers from high blood pressure and can't eat too much salt.(我爷爷患有高血压,不能吃太多盐。) ② She suffered from a cold last week and had to stay at home.(她上周感冒了,不得不待在家里。) ③ Many people in that area suffer from water shortages.(那个地区很多人饱受缺水之苦。) 5. mix...with...(把……和……混合起来) 用法:mix后接被混合的主体,with后接混合的对象 例句: ① You can mix milk with coffee to make it taste better.(你可以把牛奶和咖啡混合,让它味道更好。) ② Don't mix sugar with salt—they look similar but taste different.(别把糖和盐混在一起,它们看起来像但味道不一样。) ③ She mixed flour with water to make dumpling wrappers.(她把面粉和水混合,做饺子皮。) 6. a kind of(一种;一类) 用法:后接名词,用于表示某类事物中的一种 例句: ① Porridge is a kind of healthy food for breakfast.(粥是一种健康的早餐食物。) ② Hamburger is a kind of Western fast food.(汉堡是一种西方快餐。) ③ This is a kind of fruit I've never seen before.(这是一种我以前从没见过的水果。) 7. in fact(其实;实际上) 同义副词:actually(实际上) 用法:用于强调事实与表象不同,可置于句首、句中或句末 例句: ① He looks very young. In fact, he's already forty years old.(他看起来很年轻,其实他已经四十岁了。) ② I thought she didn't like spicy food. In fact, she loves it very much.(我以为她不喜欢辣的食物,其实她非常喜欢。) ③ This dish seems complicated. In fact, it's easy to cook.(这道菜看起来复杂,其实做起来很简单。) 8. wake up(醒来;唤醒) 用法:可作不及物动词短语(自己醒来),也可作及物动词短语(唤醒某人/某物) 例句: ① I usually wake up at 7 o'clock in the morning.(我通常早上7点醒来。) ② My mom woke me up early this morning to catch the bus.(妈妈今天早上早早就叫醒我去赶公交车。) ③ The noise outside woke up the sleeping baby.(外面的噪音吵醒了熟睡的婴儿。) 三、重点句型详解 1. Each kind of porridge tastes great in its own way.(每种粥尝起来都很美味,都有它自己独特的味道。) 句型结构:主语 + 感官系动词(taste/smell/sound/look/feel) + 形容词 用法:感官系动词后接形容词作表语,说明主语的特征;in one's own way 表示“以自己独特的方式” 例句: ① The cake smells sweet and tastes even better.(这蛋糕闻起来香甜,吃起来更美味。) ② The music sounds beautiful and makes people relaxed.(这音乐听起来很优美,让人感到放松。) ③ The sweater feels soft and comfortable to wear.(这件毛衣摸起来柔软,穿起来很舒服。) 2. Stir it until it becomes golden yellow.(搅拌它直到它变成金黄色。) 句型结构:主句 + until + 时间状语从句 用法:until 意为“直到……为止”,主句动词为延续性动词时,表动作持续到从句动作发生;主句为否定句(not...until)时,表“直到……才”,主句动词常用短暂性动词 例句: ① Keep stirring the soup until it boils.(一直搅拌汤,直到它沸腾。) ② I will wait for you until you finish your work.(我会等你,直到你完成工作。) ③ He didn't go to bed until he finished his homework.(他直到做完作业才睡觉。) 3. The old days still feel so sweet in my heart.(过去的日子在我的心里仍然使我感到甜蜜。) 句型结构:主语 + 状态系动词(feel/keep/stay/remain) + 形容词 用法:状态系动词后接形容词作表语,说明主语的状态;in one's heart 表示“在某人心里” 例句: ① The memory of my first cooking still feels warm.(我第一次做饭的回忆仍然让人感到温暖。) ② The food stays fresh for three days if you put it in the fridge.(如果你把食物放进冰箱,它能保持新鲜三天。) ③ He remained calm even when he faced the difficult problem.(即使面对难题,他仍然保持冷静。) 4. Many people see it as a Western dessert.(许多人认为它是西式甜点。) 句型结构:主语 + see + 宾语 + as + 宾语补足语 用法:as 后可接名词或形容词,表“把某物/某人看作……” 例句: ① People see mooncakes as a symbol of family reunion.(人们把月饼看作家庭团圆的象征。) ② She sees reading as an important part of her life.(她把阅读看作生活中重要的一部分。) ③ We see this restaurant as the best place for dinner.(我们认为这家餐厅是吃晚饭的最佳地点。) 5. However, this sweet treat actually came from China!(然而,这种甜点其实来自中国!) 句型结构:转折连词(however) + 主句 用法:however 表示转折,意为“然而”,可置于句首、句中或句末,通常用逗号隔开;actually 用于强调事实真相 例句: ① The dish looks simple. However, it takes a lot of time to cook.(这道菜看起来简单,然而做起来要花很多时间。) ② He said he was busy. However, I saw him playing basketball in the park.(他说他很忙,然而我看到他在公园打篮球。) ③ This fruit is expensive. However, it's worth the price because it's very delicious.(这种水果很贵,然而它很值,因为味道非常好。) 四、易错易混辨析 1. happen 与 take place 单词/短语 含义 用法 例句 happen 发生;碰巧 强调事件的偶然性,无被动语态 ① A car accident happened on this road yesterday.(昨天这条路上发生了一起车祸。)② I happened to meet my old classmate in the supermarket.(我碰巧在超市遇到了我的老同学。) take place 发生;举行 强调事件按计划进行或自然发生,无被动语态 ① The school sports meeting will take place next Friday.(学校运动会将于下周五举行。)② Great changes have taken place in my hometown in recent years.(近年来,我的家乡发生了巨大的变化。) 2. turn off、turn on、turn up 与 turn down 短语 含义 搭配对象 例句 turn off 关闭;关掉 电器、水、煤气等 Please turn off the computer when you leave the office.(离开办公室时请关掉电脑。) turn on 打开 电器、水、煤气等 She turned on the radio to listen to the news.(她打开收音机听新闻。) turn up 开大;调高 音量、温度等 Can you turn up the TV? I can't hear it clearly.(你能把电视声音调大一点吗?我听不清楚。) turn down 开小;调低;拒绝 音量、温度、请求等 ① He turned down the music because it was too loud.(他把音乐调小了,因为太吵了。)② She turned down his invitation to the party.(她拒绝了他参加派对的邀请。) 3. 系动词的分类与用法 类别 常见系动词 含义 例句 状态类 be、keep、stay、remain 表示主语的状态 ① He is a cook in a big restaurant.(他是一家大餐厅的厨师。)② The food stays fresh in the fridge.(食物在冰箱里保持新鲜。) 感官类 look、smell、sound、taste、feel 表示主语的感官特征 ① The flowers look beautiful.(这些花看起来很漂亮。)② The soup tastes delicious.(这汤尝起来很美味。) 似乎类 seem、appear 表示主语的表象 ① It seems that he likes Chinese food very much.(他似乎非常喜欢中国食物。)② She appears very happy today.(她今天看起来很开心。) 变化类 become、get、grow、turn、go 表示主语的变化 ① The leaves turn yellow in autumn.(树叶在秋天变黄。)② The weather is getting colder and colder.(天气变得越来越冷。) 结果类 prove 表示主语被证明的结果 His idea proved right in the end.(他的想法最终被证明是正确的。) 4. mean 与 meaning 单词 词性 含义 搭配 例句 mean 动词 意思是;意味着 mean sth.、mean to do sth.(打算做某事) ① What does this sign mean?(这个标志是什么意思?)② I mean to learn how to make cakes.(我打算学做蛋糕。) meaning 名词 意思;意义 the meaning of...、have a meaning(有意义) ① Do you know the meaning of this English word?(你知道这个英语单词的意思吗?)② This book has a deep meaning for me.(这本书对我来说有深刻的意义。) 5. certain 与 sure 单词 含义 搭配 例句 certain 确定的;某个 be certain of/about、be certain to do、a certain + 名词 ① I'm certain of his success.(我确信他会成功。)② A certain Mr. Li called you just now.(刚才有位李先生给你打电话。) sure 确信的;肯定的 be sure of/about、be sure to do、sure(当然,用于回答) ① Are you sure you can finish the work on time?(你确定能按时完成工作吗?)② —Can you help me? —Sure!(—你能帮我吗?—当然可以!) 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Unit3 Food matters重要知识点讲解 2025-2026学年外研版七年级英语下册
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Unit3 Food matters重要知识点讲解 2025-2026学年外研版七年级英语下册
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Unit3 Food matters重要知识点讲解 2025-2026学年外研版七年级英语下册
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