Unit 12 单元知识点过关（精讲课件）-2025-2026学年九年级英语全一册单元知识点精讲精练（人教版）

该初中英语单元复习课件系统涵盖重点词汇、短语识记、词汇变形、词汇辨析、课本语篇及重点句型六大模块，通过词汇从基础释义到变形规则再到易混词对比，短语结合例句情境记忆，语篇与句型巩固语言应用，构建“词汇-短语-语篇-句型”的完整知识网络。 其亮点在于以核心素养为导向，如词汇辨析通过对比leave/forget等易混词培养思维品质，课本语篇复现单元主题提升语言理解与表达能力，分层练习（基础填空到综合句型转换）满足个性化复习需求。这既帮助学生夯实基础，又助力教师精准把握学情，提升复习效率。

人教版初中英语 Unit 12 Life is full of the unexpected. 单元知识点过关 9年级全一册 Contents 短语识记过关 词汇变形过关 重点词汇过关 词汇辨析过关 课本语篇过关 重点句型过关 01 重点词汇过关 Unit 12 Life is full of the unexpected. 3 重点词汇过关 重点词汇过关 根据汉语填写单词 alive embarrassed cancelled hoax disappoint official oversleep 重点词汇过关 Unluckily unexpected discovery 1．The wounded fish is swimming in the river. It is still (活着). 2．Many trains are (取消) and a limited service is still on other lines. 3．Although it was a (n) (恶作剧), many people, especially young people, treated it seriously. 4．As a government (官员), he pays close attention to the lives of local people. 5．Doctors and nurses must be prepared for the (出乎意料的). 6．She felt (尴尬的) about making such a stupid mistake. 7． (不幸的是), he didn’t pass the exam. 8．The (发现) of the new medicine can help save a lot of people’s lives. 9．Some people like to set the alarm clock before going to bed so that they won’t (睡过头) in the morning. 10．The reason that he told me for his absence did not sound （可信任的）. believable 6 11．He (烧焦) his food and broke his father’s cup. 12．The telephone in the bedroom (响) suddenly last night. 13．Chinese culture is becoming more and more popular in (西方的) countries. 14．They arrived at the (机场) early yesterday. 15．The children （冲）out of the school when the class was over. burned airport rang western 重点词汇过关 rushed 7 8 11. Mother’s Day 母亲节 12. Father’s Day 父亲节 13. have to不得不 14. dress up 装扮；乔装打扮 152.. play a trick on...开……的玩笑 16. care about关心；在意 17常常做某事 18. end up 最终成为；最后处于 19. remind sb. of...使某人想起…… 20. wake up 醒来 21. in need 在困难中 22. give out发送, 分发 23.give up放弃 2499..give in 屈服 25.give off发出光、热、气味 210/6. not only...but also...不但……而且…… 短语识记过关 英译汉 1. take a shower 洗浴 2. leave my backpack at home 把背包忘在家里 3. get back to school 返回学校 4. start teaching 开始教学 5. go off 响铃 6. rush out the door 冲出房门 7. give sb. a lift 捎某人一程 8. miss both events 错过两个事件 I usually take a shower before going to bed. 我通常睡前洗个澡。 I was late because I left my backpack at home. 我迟到了，因为把背包忘在了家里。 We need to get back to school before the bell rings. 我们得在铃响前返回学校。 The teacher will start teaching as soon as everyone is quiet. 大家一安静下来，老师就会开始讲课。 My alarm clock went off at 6:30 this morning. 我的闹钟今天早上 6 点半响了。 He rushed out the door when he heard the fire alarm. 听到火警声，他冲出了房门。 Could you give me a lift to the station? 你能捎我一程去车站吗？ She missed both events because she was sick. 她因为生病错过了两个活动。 9 11. Mother’s Day 母亲节 12. Father’s Day 父亲节 13. have to不得不 14. dress up 装扮；乔装打扮 152.. play a trick on...开……的玩笑 16. care about关心；在意 17常常做某事 18. end up 最终成为；最后处于 19. remind sb. of...使某人想起…… 20. wake up 醒来 21. in need 在困难中 22. give out发送, 分发 23.give up放弃 2499..give in 屈服 25.give off发出光、热、气味 210/6. not only...but also...不但……而且…… 短语识记过关 9. full of unexpected 充满着不可预知性 10. be about to do sth. 正要做某事 11. by the time... 在……以前 12. stare in disbelief at 难以置信地盯着 13. raise above the burning building  从正在燃烧的楼上升起 14. jump out of bed 跳下床 15. collect the math homework 收数学作业 16. complete the work for my boss 完成老板的工作 Life is full of unexpected surprises. 生活充满了意想不到的惊喜。 I was about to leave when the phone rang. 我正要离开，电话响了。 By the time I arrived, the party had already started. 我到的时候，派对已经开始了。 We stared in disbelief at the news on TV. 我们难以置信地盯着电视上的新闻。 Smoke was raising above the burning building. 烟从着火的大楼上升起。 He jumped out of bed when he realized he was late. 意识到自己迟到了，他从床上跳了起来。 The teacher will collect the math homework after class. 老师课后会收数学作业。 He has to complete the work for his boss by Friday. 他必须在周五前完成老板交代的工作。 10 11. Mother’s Day 母亲节 12. Father’s Day 父亲节 13. have to不得不 14. dress up 装扮；乔装打扮 15. play a trick on...开……的玩笑 16. care about关心；在意 17常常做某事 18. end up 最终成为；最后处于 19. remind sb. of...使某人想起…… 20. wake up 醒来 21. in need 在困难中 22. give out发送, 分发 23.give up放弃 24.give in 屈服 25.give off发出光、热、气味 210/6. not only...but also...不但……而且…… 短语识记过关 17. make the apple pie 制作苹果馅饼 18. show up 赶到，出现 19. add the green beans 加绿豆荚 20. in line with 与……成一排 21. by the end of 在（某时间点）以前 22. in disbelief 怀疑地；难以置信地 My mom taught me how to make the apple pie. 妈妈教过我怎么做苹果馅饼。 She didn't show up at the meeting yesterday. 她昨天没出现在会议上。 You can add the green beans to the soup. 你可以把绿豆荚加到汤里。 Your ideas are in line with mine. 你的想法和我的一致。 We need to finish the project by the end of this month. 我们要在本月底前完成这个项目。 "Really?" she asked in disbelief. “真的吗？” 她怀疑地问道。 11 12 词汇变形过关 1. fool (n. 傻瓜 v. 愚弄) — foolish (adj. 愚蠢的) 2. work (v. 工作) — worker (n. 工作者；工人) 3. burn (v. 着火) — burnt/burned (过去式 / 过去分词) — burning (adj. 着火的) — burned (adj. 烧焦的) 4. office (n. 办公室) — officer (n. 军官；官员) — official (adj. 正式的；官方的 n. 官员) 5. expect (v. 预料；期待) — expected (adj. 预料的) — unexpected (adj. 始料不及的) — 6. unexpectedly (adv. 出乎意料地) 7. oversleep (v. 睡过头；睡得太久) — overslept (过去式 / 过去分词) 8. believe (v. 相信) — believable (adj. 可相信的) — unbelievable (adj. 难以置信的) — belief (n. 信心) — disbelief (n. 不信；怀疑) 13 词汇变形过关 9. luck (n. 运气) — lucky (adj. 幸运的) — luckily (adv. 幸运地) — unluckily (adv. 不幸地) 10. announce (v. 宣布) — announcement (n. 通告) 11. discover (v. 发现) — discovery (n. 发现) — discoverer (n. 发现者) 12. embarrass (v. 使窘迫) — embarrassed (adj. 窘迫的) — embarrassing (adj. 使人害羞的) 13．I think you should take more exercise if you want to lose (weigh). 14．Lin Ming stood at the school gate and waited for his sister. Just then, the bell (ring). 15．Be careful! Never let such a (fool) thing happen again during your test. 16．A recent study shows that baking is one of the most popular after-work activities among young （lady）. 17．We should make a right plan for ourselves and try our best to reach our (goal). weight rang ladies foolish goals 14 词汇变形过关 18．Early to bed and early to rise keeps a man healthy, (wealth) and wise. 19．At the last minute, Jim (kick) the ball in and his team won the game. 20．We should study hard to build our motherland into a strong and (power) country. 21．The kings and queens usually lived in （palace）in ancient times. 22．Catherine (finish) the letter before her mother came into her bedroom. 23．They (plant) six hundred trees before last Wednesday. 24．Even though we are in difficult times, we need to keep hope (live). 25．If the temperature rises, the snow (appear) in a few days. 26．I’m (luck) to meet my old friends. 27．What he did had a good (end). wealthy had finished kicked palaces powerful alive had planted disappears lucky ending 15 16 on above 表示物体直接接触并覆盖在另一物体的表面，或处于某个平面上。The book is on the desk. 书在桌子上。 指物体位置高于另一物体，但不一定在正上方，不强调垂直关系，只表示两者存在高度差。 The moon is above the mountains. 月亮在山的上方。 词汇辨析过关 over 指物体位于另一物体的正上方，两者不接触，且多暗示垂直关系；也可表示 “从上方越过” 或 “覆盖在…… 上”。 A lamp hangs over the table. 一盏灯挂在桌子正上方。 17 leave forget “把某物遗留 / 落在某地”，强调具体的地点，即 “遗忘的物品与某个地点相关联”。 结构：leave + 物品 + 地点（表示 “把某物落在某地”）。 I left my keys at home. 我把钥匙落在家里了。 “忘记某事 / 某物”，强调记忆上的缺失，不涉及具体地点，侧重 “因记忆疏忽而没做某事或没带某物”。 I forgot my keys. 我忘了带钥匙。 词汇辨析过关 18 embarrassing “令人尴尬的；使人难堪的”，强调事物或场景本身具有 “让人感到窘迫” 的性质。 The embarrassing moment made everyone silent. 那个令人难堪的瞬间让所有人都沉默了。 词汇辨析过关 embarrassed “感到尴尬的；窘迫的”，强调人的主观感受，即 “某人因某事而感到不好意思”。 He felt embarrassed when he tripped in public. 他在公共场合绊倒时，感到很尴尬。 19 alive living “活着的；有生命的”，强调 “还活着” 的状态（与 “dead” 相对），可指人或物。The fish is still alive.这条鱼还活着。 活着的；现存的”，强调 “正在生活的状态”，可指人或物。 All living things need water. 所有生物都需要水。 词汇辨析过关 lively “活泼的；生动的；充满活力的”，强调 “充满生命力或动感”，可指人、物或场景。 The story is told in a lively way. 这个故事讲得生动有趣。 live 作形容词：“活的（强调未死）；现场直播的”，仅用于名词前作定语。 作动词：“居住；生存” 。 They caught a live fish. 他们抓到一条活鱼。 20 at the end of 词汇辨析过关 in the end “最后；最终”，强调经过一段时间或一系列过程后的结果，相当于 “finally” 或 “eventually”。 They tried many ways, and in the end, they succeeded. 他们尝试了很多方法，最后成功了。 “在…… 的末尾 / 尽头”，强调具体的时间点或地点，指某个 时间段、事件或地点的终止处。 There is a bookstore at the end of the street. 街道的尽头有一家书店。 21 1．----Why does Mrs. Brown look so ______ ? ----Because a young man asked her some _____ questions, such as age and marriage. A．embarrassing, embarrassed B．embarrassed, embarrassing C．embarrassed, embarrassed D．embarrassing, embarrassing 2．I believe it is ________ joke and everyone feels really ________. A．an embarrassing; embarrassed B．an embarrassed; embarrassing C．a embarrassing; embarrassed 3．The wounded fish is swimming in the river. It is still ______. A．alive B．living C．live D．lively 4．Walk _______the house, turn left and you’ll see the big bridge ________ the river. A．pass; above B．past; over C．pass; on D．past; above B 词汇辨析过关 B A A 22 5．Today I ________ to bring my homework to school. I ________ it at home. A．left; forgot B．forgot; left C．leave; forget D．forget; leave 6．He worked hard for his dream. ____________ ，he made it come true. A．at the end B．in the end C．by the end D．in the end of 7．Don’t ________ to take your keys. If you ________ them here, nobody can help you to send them back to you. A．leave; forget B．forget; leave C．forget; left D．leave; forgot 8．Peter, you always ________ things! Don’t ________ your English book at home next time! A．forget; forget B．leave; forget C．forget; leave D．leave; leave 9．You can walk ________ the bridge ________ the river. A．cross ... on B．across ... over C．across ... above D．cross ... through B B 词汇辨析过关 C B B 23 10．My most ______ moment was trying to introduce a person whose name I couldn't remember.Every time this kind of thing happens，I feel ______. A．embarrassing；embarrassing B．embarrassing；embarrassed C．embarrassed；embarrassed D．embarrassed；embarrassing 11．We felt ________ when we saw her ________ smile. A．embarrassing; embarrassed B．embarrass; embarrassed C．embarrassed; embarrassing 12．Many butterflies are still ________ after the long winter days. Now the forest is __________. A．lively; lively B．alive; alive C．alive; lively D．lively; alive C B 词汇辨析过关 C 24 13．—Please give the book back to me. —Oh, I am sorry. I ________ to bring it here. I ________ it at home. A．forget; forget B．forgot; left C．forgot; forget D．will forget; leave 14．--Li Yong is one of the most famous and ________ host of the CCTV show. He is _______ still in our heart, though he died -- So he is. I can't nearly believe the news about his death these days. A．living; alive B．living; lively C．lively; alive D．alive; living 15．Walk _________ the post office, turn right and you will see the big bridge ________ the river. A．pass; above B．past; over C．pass; on D．past; on 16．You can walk ________ the bridge________ the river. A．cross; on B．across; over C．across; above D．cross; through C B 词汇辨析过关 B B 25 17．He has lived here ________ five years ago and finally found his dream job ________ last month. A．for; in the end B．since; in the end C．for; at the end of D．since; at the end of 18．We are now covering these ________ girls’ wonderful performances ________. A．live；live B．lively；alive C．alive；living D．lively；live 19．How many English words had you learned _______ last term? A．in the end of B．at the end of C．to the end of D．by the end of 20．________, police found the missing child ________ the road. A．In the end; at the end of B．At the end; in the end of C．In the end; by the end of D．At the end; by the end of D D 词汇辨析过关 A D 26 27 课本语篇 Section A 马特：凯文，你今天为什么上课迟到了？ 凯文：我的闹钟没有响！我一直睡觉，当我醒来时，已经是早上8点了！ 马特：哦，不！ 凯文：所以我迅速穿上衣服冲出家门。 玛特：你没吃早餐吗？ 凯文：没有，我甚至没有刷牙也没有洗脸！但在我到达车站之前， 汽车就已经开走了。 马特：那你是怎么来这儿的？ 凯文：幸运的是，卡尔的父亲看见我在路上，让我搭了他的车。 马特：嗯。至少当你到达学校时，上课只迟到了5分钟。 28 课本语篇 生活充满了意外 2001年5月，我在纽约世贸中心找到了一份工作。2001年9月11日，我大概在早上8点半到达了工作的大楼。我正要上楼，这时我决定先去买一杯咖啡。我去了我最喜欢的咖啡店，虽然它在我办公室东边两个街区以外。当我正在和其他办公室职员排队等待的时候，听到一声巨响。我还没来得及加入屋外的人群弄清究竟发生了什么事儿，第一架飞机已经撞上了我办公室的大楼。我们急愣愣地盯着燃烧的大楼上升起的黑烟，无法相信（这一切）。我觉得我能够活着很幸运。 大约十年之后，2011年2月21日，我早上十点醒来，意识到我的闹钟根本没有响。我从床上跳起来直奔机场。但是当我到达机场时，我飞往新西兰的航班已经起飞了。“这可是我今年的第一个假期，我居然误了航班。真倒霉”！我暗想。其他的航班都已经满员，我不得不到第二天。（结果）第二天早上，我听到新西兰前一天发生了地震。我的坏运气意想不到地变成了一件好事。 29 课本语篇 愚人节是一个世界上许多不同国家都会庆祝的节日。它在每年的4月1日，这是一个许多人会互相开各种玩笑或恶作剧的日子。 有一年的愚人节，英国的一位记者宣称，由于意大利农民停止种植意大利面条，以后将不再有意大利面了。许多人都跑到当地的超市尽可能多地买意大利面。等人们意识到这是一个恶作剧的时候，全国所有的意大利面条都被卖光了。在另一个著名的恶作剧中，英国一家电视节目报道发现了一种特殊的水。他们说这种水可以帮助人们减肥，有位消费者仅4个月就减掉了很多体重。（结果）在当天结束之前，超过1万人打电话到电视台，询问如何得到这种水。 30 课本语篇 许多愚人节玩笑的结局并不那么有趣。一位著名的电视明星曾在愚人节邀请他的女朋友上他的电视节目。他向她求婚，那位女士是如此的高兴，因为她真的想结婚了。然而，当她说好的时候，他却回答：“愚人节傻瓜”！这个小玩笑的结局并不愉快。电视明星失去了他的女朋友，而且他的节目也被取消了。 然而，世界上最出名的恶作剧之一却发生在10月而不是4月。在1938年的10月，演员奥森.威尔斯在他的电台节目中宣布来自火星的外星人已登陆地球。他描述了他们在哪里登陆，还告诉大家这些外星人正在如何穿越美国。威尔斯让他的话听起来如此逼真，以至于数以百计的人相信了这个故事，恐惧在整个国家蔓延。等到警察宣布这个故事是恶作剧时，已经有数以千计的人离开了他们的家园。 31 32 课本句子梳理 句式要点 1. April Fool's Day is a celebration that takes place in different countries around the world. 愚人节是在全世界不同国家举行的一个庆祝活动。 句式要点：主系表结构，包含 that 引导的定语从句。 语法解析：主语为 April Fool's Day，系动词 is，表语 a celebration 后接定语从句 that takes place...，修饰 celebration；that 在从句中作主语，不可省略；takes place 为固定短语 “发生、举行”，用一般现在时表客观事实。 2. It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other． 它发生在每年的 4 月 1 日，是许多人互相搞各种各样的恶作剧、开各种各样玩笑的一天。 句式要点：and 连接的并列句，后一分句含 when 引导的定语从句。 语法解析：前一分句主语 It（指代愚人节），谓语 happens，on April 1st every year 为时间状语；后一分句系动词 is，表语 a day 后接定语从句 when many people...，when 在从句中作时间状语；play tricks and jokes on sb. 为固定搭配 “对某人搞恶作剧、开玩笑”。 3. By the time I got up，my brother had already gotten in the shower. 在我起床以前，我的哥哥已经在淋浴了。 句式要点：by the time 引导的时间状语从句，主句用过去完成时。 语法解析：by the time 后接一般过去时从句（I got up），主句需用过去完成时（had gotten），表示 “从句动作发生时，主句动作已完成”；had gotten 为 get 的过去完成时，in the shower=take a shower “淋浴”。 33 课本句子梳理 句式要点 4. So I just quickly put on some clothes and rushed out of the door. 因此我快速地穿了些衣服，跑出了门。 句式要点：so 引导的结果状语从句，and 连接两个并列谓语。 语法解析：so 表 “因此”，承接前一句的因果关系；主句主语 I，并列谓语 put on（“穿上”，强调动作）和 rushed out of（“冲出”）， 均用一般过去时；quickly 为副词，修饰并列谓语。 5. By the time I got back to school, the bell had rung. 我回到学校时，铃已经响了。。 句式要点：by the time 引导的时间状语从句，主句用过去完成时。 语法解析：从句 I got back to school 为一般过去时，主句 the bell had rung 用过去完成时，表 “回到学校前，铃已响”；had rung 为 ring 的过去完成时，get back to school “返回学校”。 6. I was about to go up when I decided to get a coffee first. 我正要上楼，这时我决定先去买杯咖啡。 句式要点：be about to do sth. when... 固定句型（“正要做某事，这时……”）。 语法解析：主句用过去进行时 was about to go up（“正要上楼”），when 引导并列句表突发情况；be about to do sth. 不与具体时间状语连用，仅表 “即将发生的动作”；get a coffee “买杯咖啡”。 34 课本句子梳理 句式要点 7. We stared in disbelief at the black smoke rising above the burning building. 我们难以置信地盯着燃烧的大楼上升起的黑烟。 句式要点：主谓宾结构，含现在分词作定语。 语法解析：主语 We，谓语 stared，宾语 the black smoke；rising above the burning building 为现在分词短语作后置定语，修饰 black smoke（表 “正在上升的烟”）；burning 为现在分词作定语，修饰 building（表 “正在燃烧的”）；stare at “盯着”，in disbelief “难以置信地” 作状语。 8. The other planes were full so I had to wait till the next day. 8. The other planes were full so I had to wait till the next day. 其他飞机乘客已满，所以我不得不等到第二天。 句式要点：so 引导的结果状语从句，主句为系表结构。 语法解析：前一分句为主系表结构（The other planes were full），表原因；后一分句 so 引导结果，had to 为 have to 的过去式（“不得不”），后接动词原形 wait；till=until “直到”，引导时间状语 the next day。 9. How did the writer end up missing both events? 作者最后如何错过了这两件事？ 句式要点：特殊疑问句，含 end up doing sth. 固定结构。 语法解析：疑问词 How，助动词 did（一般过去时），主语 the writer，谓语动词 end up 用原形；end up doing sth. 为固定搭配 “最终做了某事、结果是……”；missing 为动名词作 end up 的宾语。 35 重点句型过关 完成句子 1．下个月他们要搬进新房子了。 They ______________________ to a new house next month. 2．他所有的手工玩具在几天后就销售一空了。 All his hand-made toys ______________________ in a few days. 3．他说他们已经读过这本书了。 He said they already the book. 4．在我返回学校的时候, 铃声已经响了。 ________________ I got back to school, the bell ________________. 5．加油！在尝试之前，你永远不应该说不。 ________________! You should never say no before you try. are going to move were sold out had read By the time had rung Come on 36 6．我们直愣愣地盯着从燃烧着的大楼上升起的黑烟，无法相信（这一切）。 We _________ in disbelief at the black smoke rising above the _______ building. 7．当我与其他办公室职员一起排队等候时，我听到了一声巨响。 As I was with other office workers, I a loud sound. 8．我去了我最喜欢的咖啡店，虽然它在我的办公室东边，隔着两个街区。 I went to my favorite coffee place it was two blocks from my office. 9．我正要上楼，这时我决定先去买杯咖啡。 I go up when I decided to get a coffee . 重点句型过关 连词成句 stared burning waiting in line heard even though east was about to first 37 THE END $