Unit 1The Changing World Preparing for the topic 知识点讲解2026-2027学年仁爱科普版英语九年级上册

Unit 1 The Changing World Preparing for the topic 课时1&2&3 第一课时 Listening & Speaking 1. used to do sth. 过去常常做某事 【教材原句】My hometown used to be very small and poor. 【讲解】 used to do sth. 表示“过去常常做某事（现在已经不这样了）”，强调过去与现在的对比。 否定形式：used not to do sth. 或 didn't use to do sth. 疑问形式：Used sb. to do sth.? 或 Did sb. use to do sth.? 注意：used to 后接动词原形，无人称和数的变化。 易混辨析：be used to doing sth.（习惯于做某事，to是介词）；be used to do sth.（被用来做某事，被动语态）。 【例句】 • He used to play football after school. 他过去放学后常踢足球。（现在不踢了） • There used to be a cinema here. 过去这里有一家电影院。 • She didn't use to like coffee. 她过去不喜欢咖啡。 【练习题】 1. 用所给词适当形式填空：He ______ (use) to be a teacher, but now he is a writer. 答案：used 2. 改为否定句：My father used to smoke. → My father ______ ______ ______ smoke. 答案：didn't use to / used not to 2. for free 免费地 【教材原句】You can get the magazine for free at the school gate. 【讲解】 for free 是副词短语，意为“免费地”，相当于 without payment，在句中作状语。 free 作形容词时，意为“空闲的；免费的；自由的”。 常见搭配：free of charge（免费）；for free（免费地）；free time（空闲时间）。 【例句】 • Children under five can travel for free. 五岁以下儿童可免费旅行。 • I got this ticket for free. 我免费得到了这张票。 • The exhibition is free of charge. 展览免费。 【练习题】 1. 翻译：你可以在图书馆免费借阅这些书。 答案：You can borrow these books for free in the library. 2. 选择：The park is open ______ the public for free. A. to B. for C. with D. at 答案：A 3. get in touch (with) (与……)取得联系 【教材原句】I try to get in touch with my old friends every year. 【讲解】 get in touch with sb. 表示“与某人取得联系”，强调动作。 拓展短语：keep/stay in touch with sb.（与某人保持联系，强调状态）；lose touch with sb.（与某人失去联系）；be in touch with（与……有联系）。 touch 作名词意为“接触；联系”；作动词意为“触摸；感动”。 【例句】 • Please get in touch with me as soon as you arrive. 请一到就和我联系。 • We have kept in touch for ten years. 我们保持联系十年了。 • I lost touch with him after graduation. 毕业后我和他失去了联系。 【练习题】 1. 用适当短语填空：I haven't ______ ______ ______ my pen pal for months. 答案：gotten in touch with 2. 翻译：我们应该和老朋友保持联系。 答案：We should keep in touch with our old friends. 4. leisure n. 闲暇；空闲 【教材原句】People have more leisure time than before. 【讲解】 leisure 是不可数名词，意为“闲暇；空闲时间”。 常见搭配：leisure activities（休闲活动）；leisure center（休闲中心）；at leisure（空闲时；从容地）。 leisurely 可作形容词或副词，意为“悠闲的（地）；从容的（地）”。 【例句】 • What do you do in your leisure time? 你空闲时间做什么？ • He spends his leisure reading books. 他把闲暇时间用来读书。 • We walked at a leisurely pace. 我们悠闲地走着。 【练习题】 1. 选择：She enjoys reading in her ______ time. A. busy B. leisure C. work D. school 答案：B 2. 翻译：越来越多的人喜欢在闲暇时去旅行。 答案：More and more people like to travel in their leisure time. 第二课时 Function, Pronunciation 1. take place 发生；举行 【教材原句】Great changes have taken place in our city in recent years. 【讲解】 take place 意为“发生；举行”，通常指计划中或必然发生的事件，没有被动语态。 辨析：happen 指偶然发生，也无被动语态；take place 指有计划、有安排地发生。 拓展：take the place of = take one's place 意为“代替；取代”。 注意：take place 是不及物动词短语，不能接宾语，也不能用于被动语态。 【例句】 • The meeting will take place next Monday. 会议将于下周一举行。 • The story took place in a small village. 故事发生在一个小村庄。 • Nothing has happened since then. 从那以后什么也没发生。（偶然事件用happen） 【练习题】 1. 选择：The Olympic Games ______ every four years. A. happen B. take place C. are happened D. are taken place 答案：B 2. 用happen/take place填空：The accident ______ on a rainy night. 答案：happened 2. recent adj. 最近的；近来的 【教材原句】In recent years, many new buildings have appeared. 【讲解】 recent 是形容词，意为“最近的；近来的”，常与名词连用。 常见搭配：in recent years（近几年，常与现在完成时连用）；recent news（最近的消息）；recent history（近代史）。 recently 是副词，意为“最近；近来”，可与现在完成时或一般过去时连用。 【例句】 • I have seen him recently. 我最近见过他。 • In recent years, our country has developed rapidly. 近几年我们国家发展迅速。 • Recently, I bought a new phone. 最近我买了一部新手机。 【练习题】 1. 用所给词适当形式填空：In ______ (recently) years, great changes have taken place here. 答案：recent 2. 选择：I ______ my old friend yesterday. A. have met B. met recently C. recently met D. meet 答案：C 3. by the way 顺便问一下；顺带说一句 【教材原句】By the way, have you seen my keys anywhere? 【讲解】 by the way 是插入语，意为“顺便问一下；顺带说一句”，用来引出与主题无关的话题或补充信息。 拓展短语：in the way（挡路；妨碍）；on the way（在路上；即将到来）；in a way（在某种程度上）；in this way（用这种方法）；no way（没门；不可能）。 【例句】 • By the way, what time is it? 顺便问一下，几点了？ • Your car is in the way. 你的车挡路了。 • In a way, you are right. 在某种程度上你是对的。 【练习题】 1. 选择：______, could you tell me how to get to the station? A. In the way B. On the way C. By the way D. In a way 答案：C 2. 翻译：顺便说一下，我明天要去北京。 答案：By the way, I will go to Beijing tomorrow. 4. get used to sth./doing sth. 习惯于…… 【教材原句】I have got used to the life in the new school. 【讲解】 get used to sth./doing sth. 意为“习惯于（做）某事”，to 是介词，后接名词、代词或动名词。 be used to doing sth. 也表示“习惯于做某事”，强调状态；get used to 强调动作（从不习惯到习惯的过程）。 易混：used to do sth.（过去常常做某事，to后接动词原形）。 【例句】 • She is used to getting up early. 她习惯早起。 • You will get used to the weather here soon. 你很快会习惯这里的天气。 • He used to get up late, but now he is used to getting up early. 他过去起得晚，但现在习惯早起了。 【练习题】 1. 用所给词适当形式填空：He has got used to ______ (live) in the countryside. 答案：living 2. 选择：I ______ to school by bike, but now I ______ to walking. A. used to go; am used B. am used; used to go C. used to going; am used D. am used to go; used 答案：A 5. get around 四处走动；（消息）传开；解决困难 【教材原句】It is easy to get around in this city by subway. 【讲解】 get around 有多个含义：①出行，四处走动；②（消息、谣言等）传开；③克服，解决（困难）。 拓展：get around to (doing) sth. 意为“抽出时间做某事”，to 是介词。 常见 get 短语：get up（起床）；get on（上车；进展）；get off（下车）；get over（克服；恢复）；get along with（与……相处）。 【例句】 • The news got around quickly. 消息很快传开了。 • How can we get around this problem? 我们怎样才能解决这个问题？ • I finally got around to cleaning the room. 我终于抽出时间打扫房间了。 【练习题】 1. 选择：The rumor ______ soon and everyone knew it. A. got up B. got around C. got over D. got on 答案：B 2. 翻译：在大城市里坐地铁出行很方便。 答案：It is convenient to get around by subway in big cities. 第三课时 Thinking Skills, Reading Strategies 1. achievement n. 成就；成绩 【教材原句】China has made great achievements in space exploration. 【讲解】 achievement 是可数名词，意为“成就；成绩”，复数形式为 achievements。 常见搭配：make great achievements（取得巨大成就）；a sense of achievement（成就感）；academic achievement（学业成绩）。 动词形式为 achieve，意为“实现；达到；取得”，常见搭配：achieve one's dream（实现梦想）；achieve success（取得成功）。 【例句】 • Winning the prize was a great achievement for her. 获奖对她来说是一项巨大成就。 • He achieved his goal through hard work. 他通过努力实现了目标。 • Scientists have made remarkable achievements in this field. 科学家们在这一领域取得了显著成就。 【练习题】 1. 用所给词适当形式填空：She felt a strong sense of ______ (achieve) after finishing the project. 答案：achievement 2. 翻译：中国在过去几十年里取得了巨大成就。 答案：China has made great achievements in the past few decades. 2. play a / the / one's role in (doing) sth. 在做某事中发挥作用 【教材原句】The Internet plays an important role in our daily life. 【讲解】 play a role in (doing) sth. 意为“在（做）某事中发挥作用/扮演角色”，in 是介词，后接名词或动名词。 常见搭配：play an important role in（在……中起重要作用）；play a key role in（在……中起关键作用）；play a leading role in（在……中起主导作用）。 同义表达：play a part in (doing) sth.。 【例句】 • Education plays a vital role in personal development. 教育在个人发展中起着至关重要的作用。 • She played a key role in organizing the event. 她在组织这次活动中起了关键作用。 • Mobile phones play an important part in modern communication. 手机在现代通讯中起着重要作用。 【练习题】 1. 选择：Computers ______ an important role in modern industry. A. make B. play C. do D. take 答案：B 2. 翻译：每个人都应该在保护环境中发挥作用。 答案：Everyone should play a role in protecting the environment. 3. international adj. 国际的 【教材原句】English is an international language. 【讲解】 international 是形容词，意为“国际的；世界的”。 常见搭配：international trade（国际贸易）；international law（国际法）；international organization（国际组织）；international conference（国际会议）。 词根记忆：inter-（在……之间）+ nation（国家）+ -al（形容词后缀）= 国家之间的 → 国际的。 【例句】 • The company has expanded into international markets. 这家公司已拓展到国际市场。 • We need more international cooperation. 我们需要更多的国际合作。 • She works for an international organization. 她在一家国际组织工作。 【练习题】 1. 选择：The United Nations is an ______ organization. A. national B. international C. personal D. natural 答案：B 2. 翻译：英语在国际贸易中被广泛使用。 答案：English is widely used in international trade. 1 学科网（北京）股份有限公司 $