Unit 7 The natural world Word Power课件- 2025-2026学年译林版（2024）初中英语八年级上册

Unit6The natural worldUnit7Word power学习目标通过本节课的学习，同学们能够:1.学会单词的构词法，后缀 “-ly”。2.掌握词性变化规律。3.在句子中正确使用它们。What do you think of our school life?Talk about our school lifeAs usual, we return to school to start our lessons.We usually have lessons at 8:00.Learn more about our school lifeBecause our teacher told us to be careful with everything.Every day, we do morning exercises carefully.Learn more about our school lifeWe should sit quietly when teachers are talking.We should keep quiet.adj.adv.Learn more about our school lifeWe should answer questions actively.We should be active to answer questions.adj.adv.A suffix is a letter or a group of letters that we add to the end of a word to form a new word. Lead in suffixWhat is a suffix?The tortoise moved very slowly.The suffix -lyWe can add the suffix -ly to some adjectives to form adverbs or adjectives. We can also add the suffix -ly to some nouns to form adjectives.TipWe can add -ly to some adjectives to form adverbs. 形容词加-ly变副词的规则1. 一般情况下直接加“ly”，如:quick-quickly。 2. 以“y”结尾的，先将“y”改成“i”,再加“ly”。 例如: happy-happily。 3. 少数以e结尾的形容词,要去掉e再加-ly。例如： true-truly等。但绝大多数以e结尾的形容词仍 然直接加-ly。 例如：polite-politely, wide-widely等。1.We all shouted_________(excited) when we heard the good news.2._______(Lucky), I got to the meeting room on time.3.How________(quick) the horse is running!4.It was raining _______(heavy) when I was on my way home. I got completely wet!5.He is a ________ (friend) boy, so many classmates like him.6.Step ________ (careful) when you cross the road.7.It is ______(like) to rain tomorrow, so take an umbrella with you.8.The party was very ______(live). Everyone sang and danced happily.excitedlyLuckilyquicklyheavily对点练习friendlycarefullylikelylively“daily” and “friendly” both have the suffix “-ly”. They are .We can also add “-ly” to some nouns to form adjectives. 在名词后面加后缀ly也可以变成形容词！并不是所有以ly结尾的都是副词！adjectives注意: daily, weekly, monthly, yearly, kindly, deadly也可作副词。a fast trainrun fastthe early busget up earlyThe train is late. get up latehard workwork hard(adj.)(adv.)(adj.)(adv.)(adv.)(adj.)(adv.)(adj.)形容词和副词同形 fast——early——late——hard——fastearlylatehard有些形容词本身即为副词，同时也有加ly的副词形式。但加不加ly意思不一样，使用时需注意1.wide(形容词，宽阔的，睁大的)wide(副词，睁大地)/widely(副词，广泛地) 2.high(形容词,高的)----high(副词，高地)/highly(副词,高度)特别容易犯错的副词: hard（副词）________. hardly意思为“几乎不”，与hard无任何关系hard How to use the suffix (后缀) “-ly” Adverbs usually modify verbs, adjectives and other adverbs. 副词通常修饰动词、形容词和其它副词。Adjectives modify nouns. 形容词通常修饰名词Sum up the rules Millie is writing about coral reefs. Complete her text with the correct forms of the words in brackets.You might hear about the Great Barrier Reef in Australia, the largest coral reef system on earth. You can even see it from space!When you look at a coral reef, you might think it is _______(simple) a group of colourful rocks. However, corals are living things. Now many scientists are worried about coral reefs because they are facing serious problems. The biggest problem is ocean pollution. The ocean water is becoming dirtier because of different human activities, and this causes corals to die (2) _______ (slow).slowlysimplyWhat’s more, climate change is (3) _________(great) damaging the ocean environment. The ocean is getting warmer, and it may not be a (4) _________ (friend) environment for coral reefs.(5) ________ (lucky), more and more scientists are paying attention to coral reefs. They are working (6) _____ (hard) to find ways to save them.greatly friendlyLuckily hardWrite about the wonderful natural world using some words with the suffix -ly.Nature is really wonderful. It shows beauty in many lovely ways.In the morning, the sun rises softly. It paints the sky with warm colors. Birds sing loudly in the trees, as if they’re chatting happily.In summer, rain falls gently on the grass. Leaves shake slightly, and little frogs croak loudly by the pond.At night, the moon shines brightly. Stars twinkle faintly(微弱地闪烁) above. Wind blows softly, making the air feel cool.Nature is always nice. It’s simply great to see its magic every day!Work in groups Work in groups to write about the wonderful natural world using some words with the suffix -ly.Show Time1.Now many scientists are worried about coral reefs because they are facing serious problems. 现在许多科学家担心珊瑚礁,因为它们面临严重问题。be worried about 是一个系表结构的短语,相当于一个及物动词词组,后面接名词或代词作宾语,表达对某事物或人的担忧或忧虑。about 是介词,如果后面出现动词,要使用动名词形式。【对点练习】1.What subject are you _________ ______ (担心) the most at school?2.老年人总是为他们的健康感到焦虑。The old _______ ________ _________ ________ their health.worried aboutare always worried aboutLanguage points2.…and this causes corals to die slowly. ……而且这导致珊瑚缓慢死亡。cause 作动词意,为“使发生,造成,导致”,通常接名词或名词短语作宾语表示,某种结果;cause 作名词,意为“原因；理由”。cause sb. sth. 给某人造成某物（通常指不好的结果）cause + 宾语+ 不定式，促使/ 导致某人/ 某物做某事例：The police haven’t found out the cause of the accident.【对点练习】1.Heavy rain can ______ (cause)floods in some areas.2.大雨导致他们推迟了计划。The heavy rain _______________ them _____ put off their plan.causecauses/caused to3.What’s more, climate change is greatly damaging the ocean’s environment. 更重要的是,气候变化正在极大地破坏海洋环境。 damage 既可作动词,也可作名词,意为“损害;毁坏;破坏”,可指有形的物体损害,也可指无形的损失,如财产或精神等。cause damage to sb./sth. 对某人或某物造成损害例:The storm damaged quite a few houses.【对点练习】1.Smoking seriously _________(damage) John’s health and led to his death at last.2.地震会对你的房屋带来损害。Earthquake may ________ ________ _____ your house.damaged cause damage to一、用所给词的适当形式填空1. It rained _______ (heavy) and the wind blew(刮) ________(strong) last night. 2. He is _______ and everyone wants to make _______with him.(friend) 3. I can read the ________ (week) magazine every 7 days.4.Would you walk _______( quiet)? The baby is sleeping in the bedroom.5. He can _____ (easy) answer the questions.heavilyfriendlyweeklyquietlystronglyfriendseasily当堂检测 二、翻译下列句子。1. 我父亲快速查看了这封邮件。2. 起初，我不喜欢喝咖啡。3. 老师让他继续打扫教室。4. 明天，我们有一场数学测验。My father looked through the mail quickly.At first, I didn’t like drinking coffee.The teacher kept him cleaning the classroom.We will have a Maths test tomorrow.THANKS本课结束