高中英语·高二上册知识点全梳理¶
依据《普通高中英语课程标准（2017年版2020年修订）》及人教版必修第三册整理
学习内容概览¶
| 单元 | 主题 | 核心知识点 |
|---|---|---|
| Unit 1 | Festivals and Celebrations 节日与庆典 | 节日词汇、情态动词(may/might/can/could等)、节日描写 |
| Unit 2 | Morals and Virtues 道德与美德 | 道德词汇、情态动词(ought to/must/have to)、道德故事 |
| Unit 3 | Diverse Cultures 多元文化 | 文化词汇、it用法、文化介绍 |
| Unit 4 | Space Exploration 太空探索 | 太空词汇、不定式作定语和状语、科幻写作 |
| Unit 5 | The Value of Money 金钱的价值 | 话题词汇、不定式作宾补和主语、戏剧写作 |
Unit 1 Festivals and Celebrations¶
一、核心词汇与短语¶
| 英文 | 中文 | 词性 |
|---|---|---|
| festival | 节日 | n. |
| celebration | 庆祝 | n. |
| celebrate | 庆祝 | v. |
| origin | 起源 | n. |
| original | 原始的 | adj. |
| tradition | 传统 | n. |
| traditional | 传统的 | adj. |
| custom | 习俗 | n. |
| religious | 宗教的 | adj. |
| ceremony | 仪式 | n. |
| gather | 聚集 | v. |
| feast | 盛宴 | n. |
| decorate | 装饰 | v. |
| decoration | 装饰 | n. |
| costume | 服装 | n. |
| parade | 游行 | n./v. |
| firework | 烟花 | n. |
| lantern | 灯笼 | n. |
| represent | 代表 | v. |
| represent… as | 把……表现为 | phr. |
| symbol | 象征 | n. |
| symbolise | 象征 | v. |
| grateful | 感激的 | adj. |
| gratitude | 感激 | n. |
| harvest | 丰收 | n./v. |
| crop | 庄稼 | n. |
| agricultural | 农业的 | adj. |
| occasion | 场合 | n. |
| occasion for | ……的时机 | phr. |
| joy | 喜悦 | n. |
| joyful | 快乐的 | adj. |
| reflect | 反映；反思 | v. |
| reflection | 反映；反思 | n. |
| believe in | 信仰 | phr. |
| in memory of | 纪念 | phr. |
| dress up | 盛装打扮 | phr. |
| after all | 毕竟 | phr. |
| range from… to | 范围从……到 | phr. |
二、核心句型¶
-
情态动词表推测
- It may/might rain tomorrow.（可能/也许）
- He can’t/couldn’t be at home now.（不可能） -
No matter + wh- / wh-ever 引导让步状语从句
- No matter what festival it is, people always find a reason to celebrate.
- Wherever you go, you can find unique local traditions. -
It is believed that… — 人们认为……
- It is believed that the festival dates back over 2,000 years.
三、语法要点¶
情态动词（一）¶
| 情态动词 | 用法 | 例句 |
|---|---|---|
| may/might | 表可能/许可 | He may come later. / Might I ask a question? |
| can/could | 表能力/许可/可能性 | She can swim. / Could you help me? |
| shall | 表建议/征求意见 | Shall we go now? |
| should | 表建议/应该 | You should try the local food. |
| will/would | 表意愿/习惯 | He will sit there for hours. / Would you like some tea? |
情态动词表推测的程度：
- must（一定）> will（很可能）> should（应该）> may/might（可能）> can’t（不可能）
四、写作指导¶
节日描写写作要点：
- 介绍节日名称、时间、起源
- 描述庆祝活动与习俗细节
- 说明节日意义与文化内涵
- 表达个人感受或评价
五、易错点提醒¶
- can 表推测多用于否定句和疑问句（can’t = 不可能）
- may not（可能不）与 can’t（不可能）程度不同
- shall 用于第一人称征求意见，用于二三人称表命令/警告
Unit 2 Morals and Virtues¶
一、核心词汇与短语¶
| 英文 | 中文 | 词性 |
|---|---|---|
| moral | 道德的 | adj./n. |
| morality | 道德 | n. |
| virtue | 美德 | n. |
| virtual | 虚拟的 | adj. |
| dilemma | 困境 | n. |
| principle | 原则 | n. |
| honesty | 诚实 | n. |
| honest | 诚实的 | adj. |
| responsible | 负责任的 | adj. |
| responsibility | 责任 | n. |
| conscience | 良心 | n. |
| generous | 慷慨的 | adj. |
| generosity | 慷慨 | n. |
| selfish | 自私的 | adj. |
| selfless | 无私的 | adj. |
| sacrifice | 牺牲 | n./v. |
| deserve | 值得 | v. |
| complain | 抱怨 | v. |
| complaint | 抱怨 | n. |
| complain about | 抱怨 | phr. |
| overcome | 克服 | v. |
| achieve | 实现 | v. |
| achievement | 成就 | n. |
| inspire | 鼓舞 | v. |
| inspiration | 灵感/鼓舞 | n. |
| influential | 有影响力的 | adj. |
| influence | 影响 | n./v. |
| respect | 尊重 | n./v. |
| respectable | 值得尊敬的 | adj. |
| sympathetic | 同情的 | adj. |
| sympathy | 同情 | n. |
| carry on | 继续进行 | phr. |
| in trouble | 处于困境 | phr. |
| rely on | 依赖 | phr. |
| make a difference | 产生影响 | phr. |
二、核心句型¶
-
ought to 表应该 — 语气比 should 稍强
- You ought to keep your promise.
- He ought not to have done that. -
must vs have to
- You must wear a uniform.（主观必要/规定）
- I have to wear glasses.（客观需要） -
should have done — 本应该做（但没做）
- You should have told me earlier.
三、语法要点¶
情态动词（二）¶
| 情态动词 | 用法 | 例句 |
|---|---|---|
| ought to | 表应该（道德/道义） | We ought to help those in need. |
| must | 表必须/禁止 | You must finish it today. / You mustn’t smoke here. |
| have to | 表不得不（客观） | I have to get up early to catch the bus. |
| mustn’t | 表禁止 | You mustn’t be late. |
| needn’t | 表不必 | You needn’t worry about it. |
情态动词 + have done（表对过去的推测/评价）：
| 结构 | 含义 | 例句 |
|---|---|---|
| must have done | 一定做过 | He must have forgotten the meeting. |
| can’t have done | 不可能做过 | She can’t have said that. |
| should have done | 本应做（未做） | You should have studied harder. |
| shouldn’t have done | 本不该做（做了） | You shouldn’t have told him. |
| needn’t have done | 本不必做（做了） | You needn’t have bought so much. |
| ought to have done | 本应该做 | He ought to have apologized. |
四、写作指导¶
道德故事写作要点：
- 人物：简洁介绍主人公及性格
- 冲突：描述道德困境或选择
- 转折：呈现人物的决定与行动
- 启示：点明故事的道德寓意
五、易错点提醒¶
- must（主观必要）与 have to（客观需要）的区别：must 无时态变化，have to 有人称和时态变化
- needn’t have done（本不必做但做了）与 didn’t need to do（不需要做且没做）的区别
- ought to 的否定形式是 ought not to（不是 don’t ought to）
Unit 3 Diverse Cultures¶
一、核心词汇与短语¶
| 英文 | 中文 | 词性 |
|---|---|---|
| diverse | 多样的 | adj. |
| diversity | 多样性 | n. |
| culture | 文化 | n. |
| cultural | 文化的 | adj. |
| multicultural | 多元文化的 | adj. |
| immigrant | 移民 | n. |
| immigration | 移民 | n. |
| unique | 独特的 | adj. |
| variety | 种类；多样性 | n. |
| various | 各种各样的 | adj. |
| majority | 大多数 | n. |
| minority | 少数 | n. |
| custom | 习俗 | n. |
| tradition | 传统 | n. |
| treasure | 财富 | n./v. |
| ethnic | 种族的 | adj. |
| racial | 种族的 | adj. |
| represent | 代表 | v. |
| representation | 代表 | n. |
| adapt | 适应 | v. |
| adapt to | 适应 | phr. |
| integrate | 融入 | v. |
| integrate into | 融入 | phr. |
| combine | 结合 | v. |
| combine A with B | 把A与B结合 | phr. |
| influence | 影响 | n./v. |
| mutual | 相互的 | adj. |
| respect | 尊重 | n./v. |
| tolerance | 宽容 | n. |
| tolerant | 宽容的 | adj. |
| accept | 接受 | v. |
| acceptable | 可接受的 | adj. |
| apart from | 除了 | phr. |
| bring about | 带来 | phr. |
| contribute to | 有助于 | phr. |
| fortune | 财富；运气 | n. |
| fortune cookie | 幸运饼 | phr. |
二、核心句型¶
-
it 作形式主语
- It is important to understand different cultures.
- It is said that the city has over 100 ethnic groups. -
it 作形式宾语
- I find it exciting to learn about different traditions. -
强调句型 It is/was + 被强调部分 + that/who
- It was in San Francisco that I first experienced diverse cultures.
三、语法要点¶
it 的用法¶
| 用法 | 结构 | 例句 |
|---|---|---|
| 形式主语 | It + be + adj./n. + to do/that从句 | It is necessary to learn English. |
| 形式宾语 | 主语 + find/make/think + it + adj. + to do | She makes it a rule to read every day. |
| 强调句 | It is/was + 被强调部分 + that/who… | It was Tom who broke the window. |
| 指代 | 指代上文提到的事物 | — Where is my book? — It is on the desk. |
| 时间/天气/距离 | It is cold today. / It is 5 o’clock. | — |
四、写作指导¶
文化介绍写作要点：
- 介绍文化背景与历史
- 展示多元文化的具体表现
- 分析文化交流的意义
- 呼吁尊重与包容
五、易错点提醒¶
- 强调句的判断方法：去掉 It is/was…that/who 后句子仍完整
- it 作形式主语和强调句结构相似但功能不同
- diverse（adj. 多样的）与 diversity（n. 多样性）词性不同
Unit 4 Space Exploration¶
一、核心词汇与短语¶
| 英文 | 中文 | 词性 |
|---|---|---|
| explore | 探索 | v. |
| exploration | 探索 | n. |
| universe | 宇宙 | n. |
| galaxy | 星系 | n. |
| planet | 行星 | n. |
| satellite | 卫星 | n. |
| rocket | 火箭 | n. |
| spacecraft | 航天器 | n. |
| astronaut | 宇航员 | n. |
| orbit | 轨道 | n./v. |
| launch | 发射 | v./n. |
| gravity | 重力 | n. |
| atmosphere | 大气层 | n. |
| surface | 表面 | n. |
| telescope | 望远镜 | n. |
| experiment | 实验 | n. |
| experimental | 实验的 | adj. |
| data | 数据 | n. |
| transmit | 传输 | v. |
| signal | 信号 | n. |
| detect | 探测 | v. |
| detection | 探测 | n. |
| mystery | 谜 | n. |
| mysterious | 神秘的 | adj. |
| destination | 目的地 | n. |
| independence | 独立 | n. |
| independent | 独立的 | adj. |
| advanced | 先进的 | adj. |
| advance | 前进 | v./n. |
| limited | 有限的 | adj. |
| limit | 限制 | n./v. |
| aboard | 在船/飞机/车上 | prep./adv. |
| in spite of | 尽管 | phr. |
| result in | 导致 | phr. |
| as a result | 因此 | phr. |
| provide sb. with sth. | 为某人提供某物 | phr. |
二、核心句型¶
-
不定式作定语
- He is the first man to walk on the moon.
- I have a lot of work to do. -
不定式作状语
- He went to the USA to study astronomy.（目的状语）
- He was too excited to speak.（结果状语） -
There is no need to do — 没必要做
- There is no need to worry about the result.
三、语法要点¶
动词不定式¶
不定式作定语：
- He has a lot of homework to finish.
- She is the best person to ask for help.
- 注意：被修饰的名词与不定式之间有逻辑上的主谓/动宾关系
不定式作状语：
| 类型 | 例句 | 说明 |
|---|---|---|
| 目的状语 | He got up early to catch the train. | 表目的，可放句首或句末 |
| 结果状语 | He is too young to understand. | too…to/ enough to |
| 原因状语 | I’m glad to see you. | 表引起情感的原因 |
不定式的被动形式：
- to be done（被动）：The problem remains to be solved.
- to have done（完成式）：He is said to have written three books.
四、写作指导¶
科幻写作要点：
- 构想合理的太空场景与技术设定
- 设计有冲突的情节
- 使用科学术语但保持可读性
- 结尾可设置悬念或反思
五、易错点提醒¶
- 不定式作定语时，如果不定式是不及物动词，需加介词：a room to live in
- too…to… 结构中 too 后接形容词/副词，to 后接动词原形
- 不定式的完成式 to have done 表示动作发生在谓语动词之前
Unit 5 The Value of Money¶
一、核心词汇与短语¶
| 英文 | 中文 | 词性 |
|---|---|---|
| value | 价值 | n./v. |
| valuable | 有价值的 | adj. |
| wealth | 财富 | n. |
| wealthy | 富有的 | adj. |
| fortune | 财富；运气 | n. |
| bet | 打赌 | v./n. |
| make a bet | 打赌 | phr. |
| character | 角色；性格 | n. |
| scene | 场景 | n. |
| novel | 小说 | n. |
| fiction | 虚构；小说 | n. |
| fictional | 虚构的 | adj. |
| appearance | 外表 | n. |
| genuine | 真正的 | adj. |
| genuine | 真诚的 | adj. |
| pretend | 假装 | v. |
| permit | 允许 | v. |
| permission | 许可 | n. |
| indeed | 确实 | adv. |
| manner | 方式；举止 | n. |
| manner | 礼貌(pl.) | n. |
| stare | 凝视 | v. |
| stare at | 盯着看 | phr. |
| spot | 发现；斑点 | v./n. |
| hesitate | 犹豫 | v. |
| hesitation | 犹豫 | n. |
| eventually | 最终 | adv. |
| bow | 鞠躬 | v. |
| in rags | 衣衫褴褛 | phr. |
| as for | 至于 | phr. |
| on the contrary | 相反 | phr. |
| take a chance | 冒险 | phr. |
| in a… manner | 以……的方式 | phr. |
二、核心句型¶
-
不定式作宾补
- I want you to help me with this project.
- The boss told him to finish the report by Friday. -
不定式作主语
- To be honest is the best policy.
- It is hard to say whether money brings happiness. -
would rather + do — 宁愿做
- I would rather stay at home than go out.
三、语法要点¶
不定式作宾补和主语¶
不定式作宾补（宾语补足语）：
| 动词类型 | 结构 | 例句 |
|---|---|---|
| tell/ask/order | tell sb. to do | He asked me to wait outside. |
| want/wish/expect | want sb. to do | I want you to be careful. |
| allow/permit/forbid | allow sb. to do | The teacher permitted us to leave early. |
| advise/persuade | advise sb. to do | She persuaded him to change his mind. |
| cause/force/enable | cause sb. to do | The noise caused him to wake up. |
否定形式： not to do
- I told him not to be late.
不定式作主语：
- To master a foreign language requires patience.（直接作主语）
- It is important to learn to manage money.（it 作形式主语）
四、写作指导¶
戏剧/剧本写作要点：
- 以对话为主要形式
- 舞台说明用括号或斜体标注
- 每个角色语言风格鲜明
- 注意冲突的构建与情节推进
五、易错点提醒¶
- make 后接不带 to 的不定式作宾补：make sb. do（但被动语态需还原 to：be made to do）
- would rather 后接动词原形，不接 to do
- hesitate 的名词形式是 hesitation（不是 hesitance）
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