Unit 9 复习课件 2025-2026学年仁爱科普版英语八年级下册

该初中英语课件系统梳理了八年级下册Unit9的核心知识，涵盖重点单词（含词形转换）、短语、常考易错点及复合词、副词比较级最高级语法，通过分类归纳与逻辑串联构建完整知识网络，帮助学生厘清知识点内在联系。 其亮点在于融合语言能力与思维品质培养，如作文实操提供"开篇-主体-结尾"结构模板及句型库，语法部分通过对比（如合成词构词法、副词比较级规则与不规则变化）培养分析能力，分层练习（单项选择、完成句子）满足不同学生需求，助力教师精准复习，有效提升学生知识巩固与语言应用能力。

2025新仁爱 八年级下册Unit9复习 Unit 9 常考易错点归纳 语法精讲:复合词 Unit 9 重点单词/短语 语法精讲:副词的比较级和最高级 重点单词 01 1. normal (adj. 正常的) adv. 通常;正常情况下 _ 2. sudden (adj. 突然的) adv. 突然地 _ 3. usual (adj. 通常的) adv. 通常地 _ 4. south (n. 南方) adj. 南部的 _ 5. coast (n. 海岸) adj. 沿海的 _ 6. west (n. 西方) adj. 西部的 _ 7. blood (n. 血) v. 流血 _过去式 _ 8. bad (adj. 坏的) adv. 严重地 _ suddenly usually southern coastal western bled bleed badly normally 9. terrible (adj. 可怕的) adv. 非常地 _ 10. home (n. 家) adj. 无家可归的 _ 11. homeless (adj. 无家可归的) n. 无家可归 _ 12. reason (n. 原因) adj. 合理的 _ 13. reason (n. 原因) adj. 不合理的 _ 14. harm (n./v. 伤害) adj. 有害的 _ 15. harm (n./v. 伤害) adj. 无害的 _ 16. prepare (v. 准备) n. 准备 _ 17. danger (n. 危险) adj. 危险的 _ 18. prevent (v. 阻止) n. 预防 _ terribly homeless homelessness reasonable unreasonable harmless preparation dangerous prevention harmful 19. perform (v. 表演) n. 表演/性能 _ 20. perform (v. 表演) n. 表演者 _ 21. pain (n. 疼痛) adj. 令人疼痛的 _ 22. outdoor (adj. 户外的) adv. 在户外 _ 23. fog (n. 雾) adj. 有雾的 _ 24. globe (n. 地球) adj. 全球的 _ 25. recent (adj. 近来的) adv. 最近 _ 26. physical (adj. 身体的) adv. 身体上 _ 27. physical (adj. 身体的) n. 物理 _ 28. scare (v. 使害怕) adj. 感到害怕的(修饰人)_ 29. scare (v. 使害怕) adj. 令人害怕的(修饰物)_ 30. help (n./v. 帮助) adj. 无助的 _ adj. 有帮助的 _ performance performer painful outdoors froggy global recently physically physics scared scary helpless helpful 重点短语 02 hold back heavy rainfalls natural disasters high-speed train be stuck in in need sweep through family members in great numbers lose one's home the living environment lead...to... be busy doing sth. = be busy with sth. cooked food to begin with hang on to power lines keep off a first-aid kit most importantly the safety training in the woods more often take action to do sth. sea level pull down get over in the distance pour down step out of fall on stay off stay safe in the face of break down global warming face great challenge of talent show be normal to do sth. fight against turn to 常考易错点归纳 03 洪水冲毁房屋。_ 一座破损的房子 1. break /bre k/v. 打破、弄坏、冲毁 过去式:broke 过去分词:broken Floods break houses. 3. broken / br k n/ 形容词:坏的、受损的 a broken house 【考点1】break 与broken区别 2. sth break down 机器出故障,谈判失败 sb break down 人情绪崩溃 break down sth /break sth down 分解物质 这台电脑很容易出故障。_ 他情绪崩溃哭了出来_ The computer breaks down easily. He broke down and cried. 洪水伤害动物。_ 吸烟对健康有害。_ 1. harm v. / n. 伤害,损害 动词搭配:harm sb./sth. 伤害某人 / 某物 名词搭配:do harm to… 对… 有害 3. harmless adj. 无害的 2. harmful adj. 有害的 搭配:be harmful to… 对… 有害 洪水可能非常有害。_ Floods harm animals. Smoking does harm to health. Floods can be very harmful. 【考点2】harm的用法 房间里弥漫着面包的香味。The room_ the smell of fresh bread. fill up (使) 装满;(给车辆) 加满油 我们出发前我得给车加满油。I need to _ before we leave. 剧院很快就坐满了人。The theater soon _. fill...with... 用… 装满… 她把瓶子装满了橙汁。She _ orange juice. be filled with = be full of 充满… fill up the car filled up with people filled the bottle with is filled with 【考点3】fill的用法 这个故事发生在 2003 年。The story _. 你怎么啦?What _ you? 昨天我碰巧遇到了 Tom。 I _ yesterday. sth. happen (to sb.): sth. 发生 (在 sb. 身上) sb. happen to do sth.: sb. 碰巧做… happened in 2003 happened to happened to meet Tom 【考点4】happen 的用法 练习 ① 我妹妹太小而不能去上学。 My sister is _. My sister is _. My sister is _. 点拨:too...to... _ so...that... _ not...enough to do sth. _ 太… 不能… 如此… 以至于… 不足够… 去做… too young to go to school so young that she can't go to school not old enough to go to school 【考点5】too..to.../ so..that../not...enough to do sth 足够的水 _ 足够好 _ 足够快 _ 足够的钱 _ 足够老 _ 足够的作业 _ enough 放名词前 / 后都可,放形容词或副词之后 enough water good / well enough fast enough enough money old enough enough homework • enough adj. 充足的,足够的;adv. 充足地,足够地 【考点6】enough的用法 生存技能_ ①survive v. 幸存 在地震中幸存 _ 在火灾中逃生_ ②survival n. 幸存 survive + 灾难 survive the earthquake survive the fire survival skills 【考点7】survive的用法 我们需要控制成本。_ 我们必须限制时间。 _ • 名词 (n.) 限制 限速 _ 时间限制 _ 无限地 _ • 动词 (v.) 限制;限定 limit sth. speed limit time limit without limit We need to limit cost. We must limit time. 【考点8】limit的用法 【考点9】none 的用法 none of +n+谓语动词(单/复)... 这些学生没有一个迟到_ 这些水一点都不干净_ 我们没人知道答案_ None of the students is/are late None of the water is/are clean. None of us know(s) the answer. 重点语法归纳 04 outside 外面(out+side) underground 地下(under+ground) 一、合成名词(最多、最常用) ① 名词 + 名词 classroom 教室(class+room) schoolbag 书包(school+bag) ② 动词 + 名词 playground 操场(play+ground) washroom 洗手间(wash+room) ③ 形容词 + 名词 blackboard 黑板(black+board) greenhouse 温室(green+house) ④ 副词 / 介词 + 名词 【命题点1】 合成词 somewhere 某地 everyone 每人 everything 一切 二、合成形容词(考试必考点) ① 形容词 + 名词 -ed warm-hearted 热心的 ② 名词 + 动词 -ing English-speaking 说英语的 ③ 数词 + 名词(单数) a five-year-old boy 一个五岁的男孩 a five-years-old boy(错!名词必须单数) 三、合成副词 / 代词(简单记) flashlight sandstorm supermarket aftershock 比较级 最高级 规则变化 不规则变化 +er/est 去掉 e, +er/est 双写后,+er/est y 变 i 后,+er/est more/(the) most + 原型 good/well—better—best many/much—more—most little—less—least 年纪大的:old—older—oldest 较年长的:old—elder—eldest 距离远:far—farther—farthest 表程度:far—further—furthest 【命题点2】 副词的比较级和最高级 比...:比较级 + than 比较级 + than any other + 名单 = 比较级 + than the other + 名复 比较级 + and + 比较级 More and more + 多音节形容词原级 the+ 比较级,the+ 比较级 as + 原级 + as not as/so + 原级 + as the + 最高级 .... of / in 1. 我的头发和她的一样长。_ 2. 他跑得和他哥哥一样快。_ 3. 你做作业和他一样仔细。_ 4. 你做作业不如他那样仔细。_ 5. 她唱歌不如你好。_ • as + 原级 + as 和… 一样 • not + as/so + 原级 + as 不如 … My hair is as long as hers. He runs as fast as his brother. You do homework as carefully as he. You don’t do homework as/so carefully as he. She doesn’t sing as/so well as you. 1. 比较级 + than...(两者相比) 李明游泳比王浩快。_ 他学习比以前努力。_ 注意:修饰比较级(much/even/a little 可修饰) 李明游泳比王浩快一点。 _ 他学习比以前努力得多。 _ Li Ming swims faster than Wang Hao. He works harder than before. Li Ming swims a little faster than Wang Hao. He works much harder than before. 他跑得比班里其他任何学生都快。 _ = _ 她写得比这里其他任何女孩都认真。 _ = _ 2. 比任何其他的人或物都…(暗含最… 的意思) 比较级 + than any other + 名单 = 比较级 + than the other + 名复 He runs faster than any other student in his class. He runs faster than the other students in his class. She writes more carefully than any other girl here. She writes more carefully than the other girls here. 汽车跑得越来越快。 _ 他做作业越来越认真。 _ 3. 越来越… • 比较级 + and + 比较级 • more and more + 多音节副词原级 The car runs faster and faster. She does her homework more and more carefully. 你跑得越快,就会越累。 _ 你学习越努力,学得就越好。 _ 4. 越… 就越… the + 比较级,the + 比较级 The more quickly you run, the more tired you will get. The harder you work, the better you will learn. 李明在队里游得最快。 _ 他在工厂里工作最努力。 _ 1. 最…(3 者及其以上比较) the + 最高级 ... of /in... 注意 1. 最高级前的 the 可以省略。 注意 2. 最高级一般用 of 或 in 来表示范围。 Li Ming swims the most quickly in the team. He works the hardest in the factory. B C B B B faster farther 距离远 carefully farthest 距离远,很多座位中选了最远的一个 best worse quickly 作文实操 05 总结收尾,描写经历感悟与收获。 开篇引入,说明 _ _; 展开介绍,按照 _ 顺序从 _、_、和 _3 个方面具体描述灾害过程与应对。时态用 _; 时间和地点 灾害名称, 时间 灾前 灾中 灾后 一般过去时 5. Disasters can strike at any time, and that day taught me a valuable lesson. 1. Last _ (时间,如 summer holiday/last month), a terrible _ (灾害名称) hit my hometown. 2. I’d like to share my experience during the earthquake/flood ... 3. Last week, I experienced something I’ll never forget — a sudden rainstorm. 4. I still remember the day when a typhoon hit our city. We should stay calm and find a safe place to hide. 描述灾害现象 A sudden earthquake shook the whole city. The flood covered the land with water. The typhoon brought strong winds and heavy rain. Thunder and lightning filled the air. 描述应对行动 I hid under a strong desk and held on to its legs. I remembered what I learned in class and stayed away from trees. We stayed indoors and waited for the storm to pass. 3. Respect nature, and nature will respect you. • 学习应急技能: 1. I learned that being prepared can help save our lives. 2. Learn basic safety knowledge — it could save your life one day. 3. This experience taught me to always be ready for the unexpected. 4. In the end, I was grateful for the knowledge that helped me stay safe. 5. Staying calm and following safety tips are the most important things during natural disasters. • 敬畏自然: 1. We should always respect nature and learn how to protect ourselves. 2. That day reminded me how powerful nature can be. When it stopped, I decided to run. I told my mom to hurry downstairs before the next shake. Finally, we reached the open ground safely. Later, we learned it was a level 6.4 earthquake. Luckily, no one died and only a few were hurt. It was a dangerous experience I hope never happens again. Surviving an Earthquake Last year, a terrible earthquake hit my hometown. I was doing homework when I started feeling my desk shake. At first, it was weak. I shouted to my mom, “An earthquake was coming!” and hid under my desk. The shaking quickly became much stronger. I remembered we must stay away from windows and heavy objects. My heart beat fast with fear, but I stayed still. 练习巩固 06 Thank God/Good news/What luck What do you know about Where is your new classmate from Are you all right/Are you OK You're right The wind is blowing hard. The woman/She fills up the bottle(with water) The man fixed the flashlight yesterday. Many people lose their homes because of the earthquake. The burning of coal leads to global warming. The boy/He goes to bed earlier than usual. His leg is bleeding badly. It's normal to feel scared in a fire. Thank you for listening! $