Unit 8　Words vocabulary 词汇课件 2025-2026学年沪教版八年级英语下册

该初中英语课件聚焦Unit 8“Imagine that!”课时1重点词汇，涵盖mention、frightened等11个核心词，通过“小试牛刀”情境练习（如太空探险、生物描述）导入，按“含义-变形-搭配-考点”递进脉络，搭建词汇学习支架，帮助学生系统构建知识网络。 其亮点在于融合语言能力与思维品质培养，通过词性转换（如frightened→frighten→fright）、近义辨析（frightened与fearful）及语境化练习（完形填空太空主题），提升学生词汇运用与逻辑分析能力。结构化设计便于教师高效教学，助力学生夯实基础，提升学习效率。

单元重点词汇 1.mention v. 提到；说到；n. 提及；说起 【变形】过去式/过去分词：mentioned；现在分词：mentioning；名词(n.)：mention 提及 【搭配】mention sth. to sb. 向某人提及某事；not to mention 更不用说；make a mention of 提及；说起 课时1　词汇 (1)He ____________ (mention) that he would go camping tonight，but he didn’t say when to start.他提到今晚要去露营，但没说什么时候出发。  (2)She never mentioned ____________ (go) to the space museum with us.  她从没提过要和我们一起去太空博物馆。 (3)There is no mention____________ the ugly creature in the news report.  新闻报道里没有提及这个丑陋的生物。 mentioned going of 课时1　词汇 2.frightened adj. 受惊的；害怕的 【变形】动词(v.)：frighten 使害怕；使受惊；名词(n.)：fright 惊吓；恐惧 【搭配】 be frightened of sth./sb. 害怕某物/某人； be frightened to do sth. 害怕做某事； a frightened look 惊恐的表情 【核心考点】 (1)词性转换，frightened→frighten→fright，语法填空高频考点； (2)形容词辨析，与 fearful 区分：frightened 侧重 “因突发情况受惊的”，fearful 侧重 “内心担忧的”； (3)短语搭配 be frightened to do sth.，后接不定式，完形填空常考。 课时1　词汇 (1)The loud noise ____________ (frighten) the little bird away.  巨大的响声把小鸟吓跑了。 (2)She is ____________ (frighten) of walking alone at night in the countryside.  她害怕在乡下夜里独自走路。 (3)The little girl cried in ____________ (frighten) when she saw the big dog.  小女孩看到大狗后吓得哭了。 frightened frightened fright 课时1　词汇 throat /θrəʊt/ n. 咽喉；喉咙 拓展：◇ have a sore throat 喉咙痛；嗓子疼 cough /kɒf/ v. 咳嗽 拓展：◇ have a cough 咳嗽 e.g. A: What's wrong with you? 你怎么了？ B: I have a sore throat. 我喉咙痛。/ I have a cough. 我有点咳嗽。 3.fear n. 害怕；惧怕；v. 害怕；担心 【变形】形容词(adj.)：fearful 担心的；害怕的；fearless 无畏的 【搭配】in fear 恐惧地；for fear of 以免；生怕；fear to do sth./fear that… 害怕做某事/担心……；have no fear of 不害怕…… 【核心考点】 (1)固定搭配 in fear，本单元高频短语，阅读、写作均常考； (2)词性辨析，既可作名词也可作动词，需结合句式判断； (3)与 frightened 区分：fear可作名词和动词，frightened 是形容词，避免词性混用。 课时1　词汇 (1)She closed her eyes ____________ fear when she heard the strange sound.  听到奇怪的声音，她恐惧地闭上了眼睛。 (2)The ____________ (fear) astronaut walked out of the spaceship to explore the planet.  无畏的宇航员走出飞船去探索这颗星球。 (3)We all fear ______________ (disappoint) our parents with our bad grades.  我们都害怕成绩不好让父母失望。 in fearless to disappoint 课时1　词汇 4.creature n. 生物；动物 【变形】复数：creatures；形近词(v.)：create 创造；名词(n.)：creation 创造；作品 【搭配】strange creature 奇怪的生物；mysterious creature 神秘的生物；ugly creature 丑陋的生物；sea/space creature 海洋/太空生物 课时1　词汇 (1)The fishermen found some unusual sea ____________ (creature) in the net.  渔民们在网里发现了一些罕见的海洋生物。 (2)No one knows what this strange ____________ (create) eats or where it lives.  没人知道这种奇怪的生物吃什么、住在哪里。 (3)The artist wants ____________ (creation) a new kind of imaginary creature for his book.  这位艺术家想为他的书创造一种新的虚构生物。 creatures creature to create 课时1　词汇 5.crazy adj. 不理智的；疯狂的；痴迷的 【变形】副词(adv.)：crazily；名词(n.)：craziness 疯狂；痴迷 【搭配】be crazy about sth./doing sth. 痴迷于某物/做某事；a crazy idea 疯狂的想法；drive sb. crazy 把某人逼疯 课时1　词汇 (1)He is crazy about ____________ (explore) the unknown world in the universe.  他痴迷于探索宇宙中的未知世界。 (2)The man ran ____________ (crazy) towards the landing site when he saw the spaceship.  看到宇宙飞船后，那个人疯狂地朝着陆地带跑去。 (3)It’s crazy ____________ (refuse) such a good chance to visit the space museum.  拒绝这么好的参观太空博物馆的机会太不理智了。 exploring crazily to refuse 课时1　词汇 6.refuse v. 拒绝；回绝 【变形】过去式/过去分词：refused；现在分词：refusing；名词(n.)：refusal 拒绝 【搭配】refuse to do sth. 拒绝做某事；refuse sb. sth. 拒绝给某人某物；refuse an invitation 拒绝邀请； a polite refusal 礼貌的回绝 课时1　词汇 (1)She ____________ (refuse) to tell us what she saw in the forest last night.  她拒绝告诉我们她昨晚在森林里看到了什么。 (2)His ____________ (refuse) to join the exploration team made everyone disappointed.  他拒绝加入探险队，让所有人都很失望。 (3)The little boy refused ____________ (go) home until he found his lost camera.  小男孩找到丢失的照相机后才肯回家。 refused refusal to go 课时1　词汇 emergency /ɪˈmɜːdʒənsi/ n. 紧急情况 拓展：◇ in an emergency 在紧急情况下 ◇ an emergency exit 紧急出口 ◇ emergency call 紧急电话 ◇ emergency room （医院）急诊室 7.unnecessary adj. 不需要的；不必要的；多余的 【变形】反义词(adj.)：necessary 必要的；副词(adv.)：unnecessarily；名词(n.)：necessity 必需品 【搭配】It’s unnecessary to do sth. 做某事是不必要的；unnecessary worry 多余的担心；unnecessary things 不必要的东西 课时1　词汇 (1)It’s unnecessary ____________ (take) a lot of food with us for the short trip.  这次短途旅行，我们没必要带太多食物。 (2)We don’t need to talk about the ______________ (necessary) details—just tell us the main facts.  我们没必要谈论无关紧要的细节，告诉我们主要事实就行。 (3)It is _______________ (necessary) to argue about such a small thing.  没有必要为这么小的事争吵。 to take unnecessary unnecessary 课时1　词汇 whether /ˈweðə(r)/ conj. 是否 ① 引导宾语从句 e.g. I don't know whether she will come. 我不知道她是否会来。 ② 与 or not 连用 e.g. I wonder whether or not he is right. 我想知道他是否是对的。 ③ whether… or… 是……还是…… e.g. I don't care whether it rains or snows. 我不在乎下雨还是下雪。 8.disappoint v. 使失望 【变形】过去式/过去分词：disappointed；现在分词：disappointing；形容词(adj.)：disappointed 失望的(修饰人)；disappointing 令人失望的(修饰物)；名词(n.)：disappointment 失望 【搭配】disappoint sb. 让某人失望=make sb. disappointed=let sb. down to one’s disappointment 令某人失望的是 a disappointing result 令人失望的结果 课时1　词汇 (1)We were ______________ (disappoint) to find that the space museum was closed today.  发现太空博物馆今天闭馆，我们很失望。 (2)The ______________ (disappoint) news made all the students sad.  这个令人失望的消息让所有学生都很难过。 (3)To my _________________ (disappoint)，I didn’t get the chance to visit the lab module.  令我失望的是，我没有得到参观实验舱的机会。 disappointed disappointing disappointment 课时1　词汇 9.argue v. 争吵；争辩；争论 【变形】过去式/过去分词：argued；现在分词：arguing；名词(n.)：argument 争论；争吵 【搭配】argue with sb. 和某人争吵；argue about/over sth. 为某事争论；argue that… 主张；争辩说 课时1　词汇 (1)They ________________ (argue) about the strange light in the sky when I arrived.  我到的时候，他们正在为天上奇怪的亮光争论。 (2)There was a big ____________ (argue) between them about whether to go on the exploration.  他们之间为是否继续探险发生了激烈的争吵。 (3)He always argues ____________ his classmates about small things，which makes teachers unhappy.  他总为小事和同学争吵，这让老师们很不高兴。 were arguing argument with 课时1　词汇 10.agree v. 同意；赞成；应允；答应 【变形】过去式/过去分词：agreed；反义词：disagree； 形容词(adj.)：agreeable 令人愉快的；agreed 一致同意的； 名词(n.)：agreement 同意；协议 【搭配】agree with sb./sb.’s idea 同意某人/某人的想法；agree to do sth. 答应做某事；agree on sth. 就某事达成一致；reach an agreement 达成协议 【核心考点】 (1)固定搭配辨析：agree with(接人/观点)、agree to(接不定式/提议)、agree on(接事物，双方达成一致)，核心考点； (2)词性转换，agree→agreement，语法填空常考； (3)写作应用，用于表达观点认同，贴合讨论、辩论类语境。 课时1　词汇 (1)We all agree __________ (go) to see the space movie tonight.  我们都答应今晚去看那部太空电影。 (2)I don’t agree ________ him—his idea is too crazy to be true.  我不同意他的看法，他的想法太疯狂了，不切实际。 (3)After a long discussion，they reached an ____________ (agree) about the exploration plan.  经过长时间讨论，他们就探险计划达成了一致。 to go with agreement 课时1　词汇 11.direction n. 方向；方位；指导 【变形】复数：directions；形容词(adj.)：direct 直接的；直率的，也可作动词，意为“指导”；副词(adv.)：directly 直接地；指人的名词：director n.导演；主任 【搭配】in all directions 向四面八方；in the direction of… 朝……的方向；ask for direction 问路；询问方向；give sb. direction on sth. 就某事给某人指导 课时1　词汇 (1)When the fire started，people ran in all ____________ (direction) to get away.  火灾发生时，人们向四面八方跑去逃生。 (2)The wind blew ____________ (direct) towards the sea，carrying the boat away.  风直接吹向大海，把小船卷走了。 (3)The bird flew in the ____________ (direct) of the sun and soon disappeared.  小鸟朝着太阳的方向飞去，很快就消失了。 directions directly direction 课时1　词汇 课时作业 02 27 1.mention(过去式)____________ 2.frightened(动词)____________ 3.fear(形容词，无畏的)____________ 4.crazy(副词)____________ 5.refuse(名词)____________ 6.unnecessary(反义词)____________ 7.disappoint(形容词，修饰人)_______________ 8.argue(名词)____________ 9.agree(名词)____________ 10.direction(动词/形容词)____________ 按要求写出相应的单词。 mentioned frighten fearless crazily refusal necessary disappointed argument agreement direct 一 二 三 四 课时1　词汇 1.She felt ____________ (frighten) when she heard the strange noise outside.  2.To my _________________ (disappoint)，I didn’t get the chance to visit the space exhibition.  3.There is no mention of the mysterious ____________ (create) in this area.  4.He is a ____________ (fear) explorer who never gives up in the face of danger.  用所给单词的正确形式填空。 frightened disappointment creature fearless 一 二 三 四 课时1　词汇 5.It’s ____________ (necessary) to take so many clothes for a short trip.  6.His _________ (refuse) to join us made everyone very angry.  7.They had a big ____________ (argue) about whether there is life on other planets.  8.We reached an ____________ (agree) after a long discussion.  9.The bird flew away in the ____________ (direct) of the sun.  10.It’s crazy ____________ (go) hiking alone in the dark forest.  unnecessary refusal argument agreement direction to go 一 二 三 四 课时1　词汇 1.看到那个奇怪的生物，人们向四面八方跑去。 People ran ____________ _____________ _____________when they saw the strange creature.  2.我完全同意你的观点，太空探索是一件有意义的事。 I totally ____________ _____________ your idea that space exploration is a meaningful thing.  3.他不同意这个计划，因为它太不切实际了。 He ____________ _____________this plan ____________ _____________ its impracticality.  根据汉语完成句子，每空一词。 in all directions agree with disagrees with because of 一 二 三 四 课时1　词汇 4.受惊的孩子们站在那里，恐惧地看着天空中的亮光。 The frightened children stood there and looked at the bright light in the sky ____________ _____________.  5.因为糟糕的天气，我们不得不取消前往着陆地带的计划。 ____________ _____________ the bad weather，we have to cancel the plan to go to the ____________ _____________.  in fear Because of landing site 一 二 三 四 课时1　词汇 　　What happens when you mix fiction (based on the imagination) and science (based on 　1　)?The result is “science fiction”.Science-based books and movies often take place in the 　2　.Writers imagine what life will be many years from now.In science fiction，there is life on other 　3　，with aliens and monsters.People travel in spaceships，and there is lots of high 　4　 around.  完形填空。 一 二 三 四 课时1　词汇 　　Science fiction has many 　5　 kinds of plots (情节)，characters，and settings.Some of the first science fiction stories were about 　6　 aliens who try to take over the Earth and bring down the human race.Others were about people travelling in spaceships looking for 　7　 planets or keeping peace in the universe.The “science” was not very believable.  　　Usually，the technology in science fiction movies and books is ahead of its time.But sometimes，this technology is just too good to stay within the pages of a book.For example，robots appeared in science fiction before they existed in 　8　 life.  一 二 三 四 课时1　词汇 　　The 1960s Star Trek TV shows and later movies are full of more 　9　.The giant view screen aboard the starship Enterprise looks very much like the flat TV screens of today.The crew used a small device to talk to each other on the ship.It even worked from the ship to the Earth.This hand-held device was very much like the future mobile phone.The small touch-screen the captain and soldiers 　10　 around was similar to a 21st century tablet or iPad.Today，science fiction is closer to scientific reality than ever before.  一 二 三 四 课时1　词汇 (　　)1.A.things B.facts C.events D.thoughts (　　)2.A.past B.present C.future D.space (　　)3.A.planets B.places C.parts D.paths (　　)4.A.equipment B.views C.technology D.projects (　　)5.A.different B.similar C.natural D.manned (　　)6.A.tiring B.boring C.worrying D.frightening (　　)7.A.unusual B.uncertain C.unexplored D.unlucky (　　)8.A.easy B.right C.modern D.real (　　)9.A.suggestions B.examples C.programmes D.topics (　　)10.A.looked B.showed C.designed D.carried B C A C A D C D B D 一 二 三 四 课时1　词汇 谢谢观看 深圳天骄文化传播有限公司 一 二 三 四 课时1　词汇 $