Unit2 Welcome知识点精讲精练2026-2027学年译林版英语九年级上册

该初中英语知识清单系统梳理了“Teenage Problems”单元内容，涵盖青少年问题相关的核心词汇、句型结构、语法要点及实际应用，搭建了从基础词汇变形、句型解析到短语搭配、时态运用再到习题巩固的递进式学习支架。 清单通过“知识点分类整合+句型结构拆解+应用场景关联”呈现知识体系，如词汇部分标注词性转换（courage→encourage→encouragement→encouraging），句型解析明确主语和从句类型（It takes...的形式主语与真正主语），培养学生语言能力和思维品质。特别设计“搭配提示”和“同义替换”（如cut back on的同义短语reduce/cut down on），不同基础学生可高效掌握，教师能据此精准设计教学，提升课堂实效。

U2 Teenage Problems Welcome 1. It takes courage to grow up. 成长需要勇气。 句子结构 · __________主语：It · 谓语：takes · 宾语：courage · __________主语：to grow up 知识点 ① take v. 需要；花费 句型：做某事需要……______________________________ ② __________n. 勇气→__________v. 鼓励→__________n.鼓励→__________ adj. 鼓舞人心的 搭配： 鼓励某人做某事______________________________ ③ grow up 短语：长大，成长 grow-__________-__________ 2. It drives me mad. 这快把我逼疯了 / 这让我非常恼火。 知识点 ① drive v. 迫使、使处于某种状态 变形：drive —__________—__________ 句型：drive sb. + 形容词 使某人变得…… 搭配： drive sb. mad 把某人逼疯、惹恼某人 ② mad adj. 发疯的、恼火的→madly adv. 搭配： ____________________发疯 3. I feel so tired lately. 我最近感觉特别疲惫。 知识点 ① lately adv. 最近，近来 同义：__________ 时态提示：常和 现在完成时 / 现在进行时 / 一般现在时 连用，强调近期一段时间 例句： I’ve been busy lately. 我最近一直很忙。 ②__________adj. 疲惫的 动词原形：__________ 形容词变体：__________adj. 令人疲惫的 搭配： ______________________________感到疲惫 ③ feel v. 感觉；觉得 feel —__________—__________ 系动词+__________. 4. You' ve been in low spirits all day. 你一整天都情绪低落。 知识点 ① spirit n. 情绪；精神；心灵 复数形式：spirits（常用来表示心情、情绪） 搭配： · ____________________ 情绪低落、闷闷不乐 · ____________________ 情绪高涨、兴高采烈 ③ 时态：have been 现在完成进行时，强调状态持续了一整天 5. I wonder if I'm going to bed too late. 我想知道是不是我睡得太晚了。 句子结构 · 主句：I wonder · __________从句：if I'm going to bed too late 知识点 ① wonder v. 想知道，感到疑惑 句型：I wonder if/whether... 我想知道是否…… ② if 连词：__________（引导宾语从句，可换成 __________） ③late adv. 晚，迟；adj.迟的，晚的 lately__________ 6. Staying up late is not a healthy habit and can lead to big health problems. 熬夜不是健康的习惯，还会引发严重的健康问题。 知识点 ① stay up late 熬夜 · stay v. 停留、保持；过去式：stayed ②__________n.健康→__________adj. 健康的→__________adv.健康地 →__________adj. 不健康的→__________adv.不健康地 搭配： ____________________保持健康 ③__________n. 习惯（可数名词） 区分：爱好 __________ 搭配： ____________________ 养成好习惯； ____________________形成习惯 ④ lead to __________；__________ · lead v. 引导；导致；变形：lead — led — led · 关键考点：to 是介词，后面接__________ / __________，不可接动词原形 · 同义替换：__________/__________ 例句： 吸烟会导致严重的疾病 __________________________________________________ 这条路通向山顶。 __________________________________________________ ⑤ problem n. 问题，难题（可数名词） 搭配 ________________________________做某事有困难(3) 7. I often spend a lot of time reading. 我经常花大量时间阅读。 知识点 ① spend v. 花费（时间 / 金钱） 变形：spend —__________—__________ 核心句型 · spend time/money__________sth. 花费时间 / 金钱做某事 · spend time/money __________sth. 在某物 / 某事上花费时间 / 金钱 ⚠主语必须是__________，不能是 __________ 8. It's good that you like reading, but it's more important to get enough sleep. 你喜欢阅读是件好事，但保证充足睡眠更为重要。 知识点 ①__________adj. 重要的→__________n. 重要性 比较级：more important 更重要 最高级：most important 句型： ______________________________（对某人来说）做某事很重要 ② enough adj./adv. 足够的 / 足够地 搭配： · ___________________ · ___________________ ③ sleep n./v. 睡眠，睡觉→__________adj. 困倦的→__________adj.睡着的 变形：sleep —__________—__________ 9. If you don't want to cut back on reading, you should try to manage your time better. 如果你不想减少阅读时间，就应该试着更好地规划你的时间。 句子结构 · __________从句：If you don't want to cut back on reading · 主句：you should try to manage your time better __________：you __________：should try __________：to manage your time better __________：better 知识点 ① cut back on 削减、减少 同义短语：__________/__________ 例句： 我们需要减少看屏幕的时间 __________________________________________________ ② try v. 尝试，努力 搭配： · ______________________________尽力做某事 · ______________________________试着做某事 ③________v. 管理，安排，设法做到→________n. 管理→________n. 经理 搭配： · ____________________管理 / 规划时间 · ____________________设法成功做成某事 副词：better（well 的比较级，更好地） ④time n. __________（__________）； __________（__________）； __________（__________） 习题 一、根据句意及所给的汉语提示或首字母写出单词 1. My friend wanted her _______（青少年的）children to have a similar experience. 2. If you keep telling lies to your mother, she will be even _______（气愤）and won't forgive you easily. 3. The loud noise outside almost _______（迫使） me crazy and I couldn't do my homework carefully at all. 4. I have been studying harder _______（最近）and I think I have made greater progress than before. 5. He failed in the Maths exam last week so he has been in low s________ these days and he doesn't want to talk with anyone. 6. To protect the environment, we must keep c_________ back on using plastic bags and try to use cloth bags instead in our daily life. 二、选用方框内所给短语的正确形式填空 be in low spirits manage one's time feel tired cut back on drive sb mad feel lonely stay up late lead to 1. Excellent students know how to ____ and never leave homework to the last minute. 2. When my best friend moved to another city, I began to _________ at school. 3. The loud noise from the construction site nearly _________ while I'm studying. 4. Careless driving may ________________ serious accidents on the road. 5. Many students ________________ to prepare for the coming final exams. 6. In spite of the travelling and the late night, she did not ______________. 7. To save money for a new bicycle, I decided to________________ buying snacks. 8. After failing the Maths exam, Tom ___________ for the whole day. 学科网（北京）股份有限公司 $ U2 Teenage Problems Welcome 1. It takes courage to grow up. 成长需要勇气。 句子结构 · 形式主语：It · 谓语：takes · 宾语：courage · 真正主语：to grow up 知识点 ① take v. 需要；花费 句型：It takes + 名词 + to do sth. 做某事需要…… ② courage n. 勇气→encourage v. 鼓励→encouragement n.鼓励→encouraging adj. 鼓舞人心的 搭配： encourage sb. to do sth. 鼓励某人做某事 ③ grow up 短语：长大，成长 grow-grew-grown 2. It drives me mad. 这快把我逼疯了 / 这让我非常恼火。 知识点 ① drive v. 迫使、使处于某种状态 变形：drive — drove — driven 句型：drive sb. + 形容词 使某人变得…… 搭配： drive sb. mad 把某人逼疯、惹恼某人 ② mad adj. 发疯的、恼火的→madly adv. 搭配： go mad 发疯 3. I feel so tired lately. 我最近感觉特别疲惫。 知识点 ① lately adv. 最近，近来 同义：recently 时态提示：常和 现在完成时 / 现在进行时 / 一般现在时 连用，强调近期一段时间 例句： I’ve been busy lately. 我最近一直很忙。 ② tired adj. 疲惫的 动词原形：tire 形容词变体：tiring adj. 令人疲惫的 搭配： feel tired 感到疲惫 ③ feel v. 感觉；觉得 feel — felt — felt 系动词+adj. 4. You' ve been in low spirits all day. 你一整天都情绪低落。 知识点 ① spirit n. 情绪；精神；心灵 复数形式：spirits（常用来表示心情、情绪） 搭配： · in low spirits 情绪低落、闷闷不乐 · in high spirits 情绪高涨、兴高采烈 ③ 时态：have been 现在完成进行时，强调状态持续了一整天 5. I wonder if I'm going to bed too late. 我想知道是不是我睡得太晚了。 句子结构 · 主句：I wonder · 宾语从句：if I'm going to bed too late 知识点 ① wonder v. 想知道，感到疑惑 句型：I wonder if/whether... 我想知道是否…… ② if 连词：是否（引导宾语从句，可换成 whether） ③late adv. 晚，迟；adj.迟的，晚的 形容词：late；副词变体：lately（最近） 6. Staying up late is not a healthy habit and can lead to big health problems. 熬夜不是健康的习惯，还会引发严重的健康问题。 知识点 ① stay up late 熬夜 · stay v. 停留、保持；过去式：stayed ② health n.健康→healthy adj. 健康的→healthily adv.健康地 →unhealthy adj. 不健康的→unhealthily adv.不健康地 搭配： stay/ keep healthy/ fit 保持健康 ③ habit n. 习惯（可数名词） 区分：爱好 hobby 搭配： develop a good habit 养成好习惯； form a habit 形成习惯 ④ lead to 导致，引起（中考高频短语）；通向 · lead v. 引导；导致；变形：lead — led — led · 关键考点：to 是介词，后面接名词 / 动名词 doing，不可接动词原形 · 同义替换：cause /result in 例句： 吸烟会导致严重的疾病 Smoking can lead to serious diseases. 这条路通向山顶。 This road leads to the top of the mountain. ⑤ problem n. 问题，难题（可数名词） 搭配 have problems/ difficulty/ trouble (in) doing sth.做某事有困难 7. I often spend a lot of time reading. 我经常花大量时间阅读。 知识点 ① spend v. 花费（时间 / 金钱） 变形：spend — spent — spent 核心句型 · spend time/money (in) doing sth. 花费时间 / 金钱做某事 · spend time/money on sth. 在某物 / 某事上花费时间 / 金钱 ⚠主语必须是人，不能是 it 8. It's good that you like reading, but it's more important to get enough sleep. 你喜欢阅读是件好事，但保证充足睡眠更为重要。 知识点 ① important adj. 重要的→importance n. 重要性 比较级：more important 更重要 最高级：most important 句型：It is important (for sb.) to do sth. （对某人来说）做某事很重要 ② enough adj./adv. 足够的 / 足够地 搭配： · 形容词 / 副词 + enough to do · enough + 名词 ③ sleep n./v. 睡眠，睡觉→sleepy adj. 困倦的→asleep adj.睡着的 变形：sleep — slept — slept 9. If you don't want to cut back on reading, you should try to manage your time better. 如果你不想减少阅读时间，就应该试着更好地规划你的时间。 句子结构 · 条件状语从句：If you don't want to cut back on reading · 主句：you should try to manage your time better 主语：you 谓语：should try 宾语：to manage your time better 状语：better 知识点 ① cut back on 削减、减少（高频短语） 同义短语：reduce /cut down on 例句：We need to cut back on screen time. 我们需要减少看屏幕的时间 ② try v. 尝试，努力 搭配： · try to do sth. 尽力做某事 · try doing sth. 试着做某事 ③manage v. 管理，安排，设法做到→management n. 管理→manager n. 经理 搭配： · manage time 管理 / 规划时间 · manage to do sth. 设法成功做成某事 副词：better（well 的比较级，更好地） ④time n. 时间（不可数）；次数（可数）；倍数（可数） 习题 一、根据句意及所给的汉语提示或首字母写出单词 1. My friend wanted her _______（青少年的）children to have a similar experience. 2. If you keep telling lies to your mother, she will be even _______（气愤）and won't forgive you easily. 3. The loud noise outside almost _______（迫使） me crazy and I couldn't do my homework carefully at all. 4. I have been studying harder _______（最近）and I think I have made greater progress than before. 5. He failed in the Maths exam last week so he has been in low s________ these days and he doesn't want to talk with anyone. 6. To protect the environment, we must keep c_________ back on using plastic bags and try to use cloth bags instead in our daily life. 二、选用方框内所给短语的正确形式填空 be in low spirits manage one's time feel tired cut back on drive sb mad feel lonely stay up late lead to 1. Excellent students know how to ____ and never leave homework to the last minute. 2. When my best friend moved to another city, I began to _________ at school. 3. The loud noise from the construction site nearly _________ while I'm studying. 4. Careless driving may ________________ serious accidents on the road. 5. Many students ________________ to prepare for the coming final exams. 6. In spite of the travelling and the late night, she did not ______________. 7. To save money for a new bicycle, I decided to________________ buying snacks. 8. After failing the Maths exam, Tom ___________ for the whole day. 学科网（北京）股份有限公司 $