Unit 3 Be healthy,be happy单词短语精讲讲义 2025-2026学年沪外教版(2024)七年级英语上册

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Unit 3 Be healthy,be happy单词短语精讲讲义 2025-2026学年沪外教版(2024)七年级英语上册

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沪外教版2024七年级上册英语Unit 3 Be healthy,be happy单词短语精讲讲义
单词精讲
weekend n. 周末
实际应用例子: * What are your plans for the weekend * I usually relax at home on weekends.
记忆方法: * 拆分记忆: week (周) + end (结束),一周的结束。
易错易考点: * 常用介词: on weekends (在周末), at the weekend (在周末,英式英 语)。
once adv. 一次;一回
实际应用例子: * I only met him once. * Once upon a time, there was a beautiful princess.
记忆方法: * 音译联想: once 像“旺斯”,想象旺旺仙贝只吃一次。 易错易考点: * 可作副词(一次),也可作连词(一旦)。
energy n. 精力;能量
实际应用例子: * I don't have enough energy to finish the work. * Solar energy is a clean source of power.
记忆方法: * 音译联想: energy 像“安能吉”,想象吃了安能吉就充满能量。 易错易考点: * 不可数名词,表示精力或能量。
cycle n. 周期;循环
实际应用例子: * The water cycle is very important for life. * Life is a continuous cycle of learning and growing.
记忆方法: * 词根词缀: cycl- (圆,循环),如 bicycle (自行车)。 易错易考点: * 既可作名词也可作动词。
country n. 国家;乡村
实际应用例子: * China is a beautiful country. * I love living in the country. 记忆方法: * 简单词,直接记忆。
易错易考点: * country 可指“国家”,也可指“乡村”。 * in the country (在乡村)。
active adj. 活跃的;积极的
实际应用例子: * He is an active member of the club. * It's important to stay active to keep healthy.
记忆方法: * 词根词缀: act (行动) + -ive (形容词后缀)。
易错易考点: * 形容词,表示活跃或积极。
believe v. 相信;认为
实际应用例子: * I believe in you. * Do you believe what he said
记忆方法: * 音译联想: believe 像“比利夫”,想象比利夫相信你。 易错易考点: * believe in (信任,信仰)。
owl n. 猫头鹰
实际应用例子: * An owl is a nocturnal bird. * The owl hooted in the night. 记忆方法: * 音译联想: owl 像“嗷呜”,猫头鹰的叫声。
易错易考点: * 动物名称。
salad n. 沙拉
实际应用例子: * I like to eat fresh fruit salad. * She ordered a chicken salad. 记忆方法: * 音译词,直接记忆。
易错易考点: * 通常指用蔬菜、水果等拌成的凉菜。
enough adj. 足够的;充足的
实际应用例子: * Do you have enough money * He is old enough to go to school. 记忆方法: * 音译联想: enough 像“伊纳夫”,想象伊纳夫有足够的钱。
易错易考点: * 作形容词时,修饰名词,放在名词前或后都可。 * 作副词时,修饰形容词或 副词,放在其后。
cucumber n. 黄瓜
实际应用例子: * I put some cucumber slices in my salad. * Do you like cucumber 记忆方法: * 音译词,直接记忆。
易错易考点: * 蔬菜名称。
carrot n. 胡萝卜
实际应用例子: * Rabbits like to eat carrots. * She added some chopped carrots to the soup.
记忆方法: * 音译词,直接记忆。
易错易考点: * 蔬菜名称。
least adv. 最少;最小
实际应用例子: * He is the least experienced person in the team. * At least I tried my best.
记忆方法: * little 的最高级。
易错易考点: * at least (至少)。
junk n. 垃圾;废旧物品
实际应用例子: * Please throw away the junk. * My room is full of junk. 记忆方法: * 音译联想: junk 像“脏克”,想象脏兮兮的垃圾。
易错易考点: * 不可数名词,指无用或废弃的物品。
hamburger n. 汉堡包
实 际 应 用 例 子 : * I ordered a hamburger and fries. * Do you want a cheese hamburger
记忆方法: * 音译词,直接记忆。
易错易考点: * 食物名称。
chip n. 炸薯条
实际应用例子: * I like fish and chips. * Do you want some potato chips 记忆方法: * 音译词,直接记忆。
易错易考点: * 英式英语中 chips 指炸薯条,美式英语中 fries 指炸薯条, chips 指薯 片。
cola n. 可乐
实际应用例子: * I prefer cola to juice. * Do you want a can of cola 记忆方法: * 音译词,直接记忆。
易错易考点: * 饮料名称。
sugar n. 糖
实际应用例子: * Please add some sugar to my coffee. * Too much sugar is bad for your health.
记忆方法: * 简单词,直接记忆。
易错易考点: * 不可数名词,指食糖。
illness n. 疾病;生病
实际应用例子: * He is suffering from a serious illness. * Regular exercise can prevent illness.
记忆方法: * 词根词缀: ill (生病的) + -ness (名词后缀)。
易错易考点: * 可数或不可数名词,指疾病或生病的状态。
cough v. 咳嗽 n. 咳嗽
实际应用例子: * He has a bad cough. * She started to cough during the meeting. 记忆方法: * 音译联想: cough 像“咳夫”,想象一个人在咳嗽。
易错易考点: * 既可作动词也可作名词。
fever n. 发烧;发热
实际应用例子: * He has a high fever. * The child is running a fever. 记忆方法: * 音译联想: fever 像“费弗”,想象发烧时很难受。
易错易考点: * 名词,指发烧。
headache n. 头痛
实际应用例子: * I have a terrible headache. * This problem is giving me a headache. 记忆方法: * 拆分记忆: head (头) + ache (疼痛)。
易错易考点: * 可数名词,指头痛。
sneeze v. 打喷嚏
实际应用例子: * He started to sneeze because of the dust. * I can't stop sneezing. 记忆方法: * 音译联想: sneeze 像“斯尼兹”,想象打喷嚏的声音。 易错易考点: * 动词,指打喷嚏。
sore adj. 疼痛的;酸痛的
实际应用例子: * I have a sore throat. * My muscles are sore after the exercise. 记忆方法: * 音译联想: sore 像“索尔”,想象索尔感到疼痛。
易错易考点: * 形容词,表示疼痛。
throat n. 喉咙;咽喉
实际应用例子: * I have a sore throat. * He cleared his throat before speaking. 记忆方法: * 音译联想: throat 像“斯罗特”,想象喉咙里有东西。 易错易考点: * 名词,指喉咙。
happen v. 发生;出现
实际应用例子: * What happened to you * Accidents can happen at any time. 记忆方法: * 音译联想: happen 像“哈彭”,想象事情突然发生。
易错易考点: * 不及物动词,不能用于被动语态。
pill n. 药丸;药片
实际应用例子: * Take two pills three times a day. * She swallowed the pill with water. 记忆方法: * 音译联想: pill 像“皮尔”,想象吃药丸。
易错易考点: * 可数名词,指药丸。
protect v. 保护;防护
实际应用例子: * We need to protect our environment. * Wear a helmet to protect your head.
记忆方法: * 词根词缀: pro- (向前) + tect (覆盖),向前覆盖,即保护。 易错易考点: * protect...from/against... (保护……免受……)。
daily adj. 每日的;日常的
实际应用例子: * She writes in her daily journal. * Taking a walk is part of my daily routine.
记忆方法: * 词根词缀: day (天) + -ly (形容词后缀)。
易错易考点: * 形容词,表示每天的。
flu n. 流行性感冒
实际应用例子: * He caught the flu. * The flu season is coming.
记忆方法: * influenza 的缩写。
易错易考点: * 不可数名词,指流感。
magazine n. 杂志 实际应用例子: * I read a fashion magazine. * She subscribes to several magazines. 记忆方法: * 音译词,直接记忆。
易错易考点: * 可数名词,指杂志。
experiment n. 实验;试验
实 际 应 用 例 子 : * We did a science experiment in class. * The results of the experiment were surprising.
记忆方法: * 音译联想: experiment 像“伊克斯佩里门特”,想象在实验室里做实验。 易错易考点: * 既可作名词也可作动词。
rarely adv. 很少;不常
实际应用例子: * He rarely goes out on weekdays. * She rarely eats fast food. 记忆方法: * 与 rare (稀有的) 相关联。
易错易考点: * 频度副词,表示频率很低。
disease n. 疾病
实 际 应 用 例 子 : * Heart disease is a serious problem. * Many diseases can be prevented.
记忆方法: * 拆分记忆: dis- (否定) + ease (舒适),不舒适的状态,即疾病。 易错易考点: * 可数或不可数名词,指疾病。
choice n. 选择;挑选
实际应用例子: * You have to make a choice. * It was a difficult choice. 记忆方法: * 与 choose (选择) 相关联, choice 是其名词形式。
易错易考点: * 可数名词,指选择。
lab n. 实验室
实际应用例子: * We did an experiment in the science lab. * The students are working in the computer lab.
记忆方法: * laboratory 的缩写。
易错易考点: * 常用缩写。
短语精讲
take care of (照顾;爱护)
实际应用例子: * Please take care of yourself. * She takes care of her younger brother. 记忆方法: * 固定搭配,表示“照顾”。
易错易考点: * 与 look after 意思相近。
at weekends (在周末)
实 际 应 用 例 子 : * What do you usually do at weekends * I like to go hiking at weekends.
记忆方法: * 固定搭配,表示“在周末”。
易错易考点: * 英式英语常用 at weekends ,美式英语常用 on weekends 。
country park (郊野公园)
实际应用例子: * We went to a country park for a picnic. * There are many beautiful country parks in Hong Kong.
记忆方法: * 固定搭配,指郊外的公园。
易错易考点: * 特指郊野地区的公园。
can’t help doing sth (情不自禁做某事)
实际应用例子: * I can't help laughing when I see him. * She couldn't help crying after hearing the sad news.
记忆方法: * 固定搭配,表示“情不自禁”。
易错易考点: * help 后面直接接动名词。
at least (至少)
实际应用例子: * You should eat at least two fruits a day. * At least we are safe. 记忆方法: * 固定搭配,表示“至少”。
易错易考点: * 强调最低限度。
junk food (垃圾食品)
实际应用例子: * Eating too much junk food is bad for your health. * I try to avoid junk food.
记忆方法: * 固定搭配,指不健康的食品。
易错易考点: * junk 在这里作形容词,修饰 food 。
runny nose (流鼻涕)
实际应用例子: * He has a runny nose and a cough. * I have a runny nose because of the cold.
记忆方法: * 固定搭配,指流鼻涕。
易错易考点: * runny (流的) + nose (鼻子)。
sore throat (喉咙痛)
实际应用例子: * I have a sore throat. * Gargle with salt water to relieve a sore throat. 记忆方法: * 固定搭配,指喉咙痛。
易错易考点: * sore (疼痛的) + throat (喉咙)。
have a fever (发烧)
实际应用例子: * The child has a fever. * I think I have a fever.
记忆方法: * 固定搭配,指发烧。
易错易考点: * fever 前面加不定冠词 a 。
have a headache (头痛)
实际应用例子: * I have a headache. * This noise is giving me a headache. 记忆方法: * 固定搭配,指头痛。
易错易考点: * headache 前面加不定冠词 a 。
have a cough (咳嗽)
实际应用例子: * He has a cough. * I developed a dry cough.
记忆方法: * 固定搭配,指咳嗽。
易错易考点: * cough 前面加不定冠词 a 。
have a stomachache (胃痛)
实际应用例子: * I have a stomachache. * Eating too much can cause a stomachache. 记忆方法: * 固定搭配,指胃痛。
易错易考点: * stomachache 前面加不定冠词 a 。
have a toothache (牙痛)
实 际 应 用 例 子 : * I have a toothache. * You should see a dentist if you have a toothache.
记忆方法: * 固定搭配,指牙痛。
易错易考点: * toothache 前面加不定冠词 a 。
stay healthy (保持健康)
实际应用例子: * It's important to eat well and exercise to stay healthy. * How do you stay healthy
记忆方法: * stay (保持) + healthy (健康的)。
易错易考点: * stay 是系动词,后面接形容词。
make a choice (做出选择)
实际应用例子: * You have to make a choice. * It's your turn to make a choice. 记忆方法: * 固定搭配,指做出选择。
易错易考点: * make (做) + choice (选择)。

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