Unit5 核心知识点及练习 2025-2026学年人教版八年级英语下册

该初中英语讲义围绕Unit 5“自然喜怒、极端天气、自然灾害、防灾避险”核心主题，通过系统梳理构建知识体系，以默写专用单词表（含音标、词性、中文）、灾害防护场景高频短语列表、核心语法考点小结（含定义、结构、例句）等形式呈现知识脉络，突出地震等高频考点词、过去进行时等核心语法及when/while易混点的内在联系。 练习设计紧扣主题且层次分明，如单词拼写（根据首字母提示）、短语运用（适当形式填空）、语法单选（直击when/while用法）及句型转换（合并句子等），助力学生在真实灾害场景中提升语言能力。通过“人称搭配口诀”等方法指导培养思维品质，分层检测题适配不同水平学生自主复习，完整参考答案便于教师精准教学，有效提升复习效率。

2026新人教版八年级下册英语Unit 5 Nature's Temper 单元核心知识点精讲提纲 必背单词+重点短语+核心语法考点汇总+基础过关检测题 适配2026春季最新新人教版八年级下册同步配套使用，本提纲紧扣Unit 5 Nature's Temper自然喜怒、极端天气、自然灾害、防灾避险核心主题，系统梳理单元黑体必考核心单词、灾害防护场景高频实用短语、单元重难点过去进行时+when/while语法考点。 一、Unit 5 单元必背核心重点单词（音标+词性+中文，默写专用） temper /ˈtempə(r)/ n. 脾气；性情；（自然）喜怒 nature /ˈneɪtʃə(r)/ n. 大自然；自然界 storm /stɔːm/ n. 暴风雨；雷暴天气 rainstorm /ˈreɪnstɔːm/ n. 暴雨；强降雨风暴 snowstorm /ˈsnəʊstɔːm/ n. 暴风雪；雪灾 earthquake /ˈɜːθkweɪk/ n. 地震（单元头号高频考点词） typhoon /taɪˈfuːn/ n. 台风；强热带风暴 flood /flʌd/ n. 洪水；水灾 v. 淹没；泛滥 drought /draʊt/ n. 干旱；久旱少雨天气 wildfire /ˈwaɪldfaɪə(r)/ n. 野火；山林火灾 warn /wɔːn/ v. 警告；预警；提前提醒避险 shake /ʃeɪk/ v. 摇动；震动；摇晃（过去式shook） wave /weɪv/ n. 巨浪；海浪 v. 挥手示意；摆动 awake /əˈweɪk/ adj. 醒着的；未入睡的 asleep /əˈsliːp/ adj. 睡着的；熟睡的（反义考点配对） sudden /ˈsʌdn/ adj. 突然的；猝不及防的 suddenly /ˈsʌdənli/ adv. 突然地；意外地（副词必考变形） heavy /ˈhevi/ adj. 猛烈的；厚重的；量大的 strong /strɒŋ/ adj. 强劲的；猛烈的（形容风力、水流） emergency /ɪˈmɜːdʒənsi/ n. 紧急情况；突发险情 二、Unit 5 单元高频必背短语搭配（考试必考，默写得分点） 1. nature's temper 自然的喜怒；极端自然天气 2. natural disasters 各类自然灾害（写作主题核心短语） 3. heavy rainstorms and strong winds 狂风暴雨恶劣天气 4. a sudden earthquake 突如其来的地震灾害 5. hit the area hard 猛烈袭击某一地区（灾害专用动词短语） 6. shake heavily all around 四周剧烈摇晃震动 7. warn people of danger 向人们发出危险预警提醒 8. store enough food and water 提前储备充足食物和饮用水 9. prepare emergency supplies 备好应急防护物资 10. stay away from tall trees 远离高大树木，防范坠物风险 11. keep calm in danger 险情面前保持冷静不慌乱 12. lie down and protect the head 就地卧倒、护住头部避险 13. hear about the bad weather 听闻恶劣天气预警消息 14. make careful preparations ahead of time 提前做好周全防灾准备 15. lose one’s temper 发脾气；情绪失控（temper基础配套短语） 16. fall asleep quickly 快速入睡；进入熟睡状态 17. be wide awake 完全清醒，毫无睡意 18. learn safety skills well 扎实学好防灾安全自救技能 三、Unit 5 单元核心语法考点小结（重难点+用法+例句，考前必看） 语法点1：过去进行时（单元核心压轴语法，单选+句型转换+写作全覆盖） ✅ 核心定义：表示过去某一个具体时刻、某一时间段内，正在发生、持续进行的动作。专门用来描述灾害突发瞬间，人们正在做的事，贴合单元主题。 ✅ 标准结构：肯定句：主语 + was/were + 动词现在分词（v.-ing） ✅ 搭配时间标志词：at that time, at 8:00 last night, this time yesterday, suddenly ✅ 人称搭配口诀：单数人称用was，复数人称一律用were，动词统一加ing 例句：I was doing my homework when the earthquake happened. 地震发生时，我正在写作业。 例句：They were sleeping at that time last night. 昨晚那个时刻，他们正在熟睡。 语法点2：when / while 引导时间状语从句（本单元最易混高频错题点） ✅ when 用法：可接瞬间动作、延续性动作，通用性强，突发灾害场景首选。常用结构：过去进行时 + when + 一般过去时 ✅ while 用法：只能接延续性动作，从句必须用进行时态，不能接短暂突发动词。 ✅ 必考解题技巧：看到suddenly、突然发生灾害，优先选when；前后两个动作同步持续进行，优先选while。 例句：While it was raining heavily, we were staying indoors safely. 暴雨倾盆时，我们正安全待在室内。 语法点3：asleep / awake 形容词辨析（完形填空高频扣分点） ✅ asleep：睡着的、熟睡的，只能作表语，固定搭配fall asleep 入睡 ✅ awake：醒着的、未入睡的，反义词组，灾害夜间突发场景常考 例句：Most people were asleep when the storm came at night. 夜间暴风雨来袭时，大多数人都在熟睡。 语法点4：warn sb. of sth. 固定搭配句型（情景交际+单选必考） ✅ 固定结构：warn sb. of danger / warn sb. of bad weather 提醒某人提防危险/恶劣天气 ✅ 拓展延伸：warn sb. not to do sth. 警告某人不要做危险行为 例句：Teachers warn us of the danger during natural disasters. 老师提醒我们防范自然灾害中的各类危险。 语法点5：sudden形容词 / suddenly副词 词性变形填空（单词拼写必考点） ✅ sudden 形容词：修饰名词，a sudden storm 一场突如其来的暴风雨 ✅ suddenly 副词：修饰整句话、修饰动词，放在句首或动词前后 例句：Suddenly, the ground began to shake heavily. 突然，地面开始剧烈摇晃。 四、Unit 5 单元基础过关检测题（同步随堂检测+课后巩固，含完整参考答案） 本套检测题严格对标本单元自然灾害主题单词、防灾避险核心短语、五大核心语法原创严谨命题，难度贴合校内早读默写过关、课堂当堂限时小测、课后分层作业标准，题型全覆盖、题量适中、原创不撞库、题干规范无漏洞。教师可直接打印当堂讲评、随堂批改，搭配前文知识点提纲成套打包，适配全学段同步复习。 （一）单词拼写过关检测（根据句意及首字母提示写单词，每空一词） 1. We should respect the n________ and learn about its temper. 2. A heavy s________ came last night and it rained all the time. 3. People are afraid of e________ because it is very dangerous. 4. The strong t________ will come to the city tomorrow morning. 5. Heavy rain will cause a big f________ in the low places. 6. The weather station can w________ us of bad weather early. 7. The ground began to s________ when the earthquake happened. 8. He was fast a________ and didn’t hear the warning outside. 9. S________, all the lights went out and it became dark. 10. We must keep calm when we meet any e________ situation. （二）短语运用填空检测（用本单元短语适当形式填空，每空不限一词） 1. We are learning about ________________________（自然灾害）in this unit. 2. We should know how to face ________________________（自然的喜怒）safely. 3. The big wind and rain ________________________（猛烈袭击）the village last week. 4. The government always ________________________（提醒人们提防危险）in bad weather. 5. Before storms come, we must ________________________（储备充足食物和水）. 6. It’s smart to ________________________（远离高大树木）on windy days. 7. Please try your best to ________________________（保持冷静）when danger comes. 8. We should ________________________（提前做好准备）for bad weather. 9. Don’t ________________________（发脾气）when you meet bad things in life. 10. All students need to ________________________（学好安全自救技能）at school. （三）语法单项选择专项检测（聚焦单元核心语法，每题直击考点） ( ) 1. I ________ TV at 9:00 last night when the storm came. A. watch B. watched C. was watching D. am watching ( ) 2. They ________ asleep suddenly while it was raining heavily. A. fall B. fell C. were falling D. are falling ( ) 3. ________ I was walking home, I saw a strong wind outside. A. When B. While C. Because D. So ( ) 4. The teacher warns us ________ near the river on rainy days. A. not play B. don’t play C. not to play D. to not play ( ) 5. ________, the ground shook and everyone felt scared. A. Sudden B. Suddenly C. Quick D. Quickly ( ) 6. Most people ________ still ________ at that time in the evening. A. is; asleep B. are; awake C. were; asleep D. was; awake ( ) 7. She ________ her homework at this time yesterday. A. was doing B. did C. does D. is doing ( ) 8. We should stay indoors ________ the typhoon is coming. A. but B. while C. so D. though （四）句型转换提升检测（书面表达同款防灾句式，强化写作能力） 1. He was reading books at 7:00 yesterday evening.（改为一般疑问句） ________ he ________ books at 7:00 yesterday evening? 2. They were playing outside when the rain came.（对划线部分提问） ________ ________ they ________ when the rain came? 3. The storm came suddenly.（同义句改写） ________, the storm came. 4. We should keep calm in danger.（用warn改写同义句） Teachers ________ us ________ keep calm in danger. 5. I was sleeping. The earthquake happened.（合并句子，用when） I ________ ________ when the earthquake happened. 五、全套检测题完整参考答案（方便教师直接批改、讲评） （一）单词拼写答案 1. nature 2. storm 3. earthquake 4. typhoon 5. flood 6. warn 7. shake 8. asleep 9. Suddenly 10. emergency （二）短语运用答案 1. natural disasters 2. nature's temper 3. hit the area hard 4. warns people of danger 5. store enough food and water 6. stay away from tall trees 7. keep calm 8. make careful preparations ahead of time 9. lose your temper 10. learn safety skills well （三）语法单项选择答案 1. C 2. B 3. B 4. C 5. B 6. C 7. A 8. B （四）句型转换答案 1. Was; reading 2. What were; doing 3. Suddenly 4. warn; to 5. was sleeping 学科网（北京）股份有限公司 $