Unit3 知识点笔记语法讲解 2026-2027学年人教版英语九年级上册

人教九年级上册英语知识笔记 Unit 3 Smart Learning　智慧学习 重点单词 序号 单词·词性·音标·释义 拓展讲解 1 learner n. /ˈlɜːnə/ 学习者 learn v. 学习 2 project n. /ˈprɒdʒekt/ 计划；项目 do a project 做项目 3 website n. /ˈwebsaɪt/ 网站 on the website 4 dictionary n. /ˈdɪkʃənri/ 词典 复数 dictionaries 5 aloud adv. /əˈlaʊd/ 出声地；大声地 辨析 aloud(出声)/loud(音量大)/loudly(喧闹) 6 dialogue n. /ˈdaɪəlɒɡ/ 对话 have a dialogue with sb 7 suit v./n. /suːt/ 适合；套装 be suitable for 适合 8 general adj. /ˈdʒenrəl/ 总的；大体的 in general 总的来说 9 speed n./v. /spiːd/ 速度；加速 at a speed of；speed up 10 grammar n. /ˈɡræmə/ 语法 grammar rules 语法规则 11 zero num. /ˈzɪərəʊ/ 零 below zero 零度以下 12 actively adv. /ˈæktɪvli/ 积极地 active adj. 13 enjoyable adj. /ɪnˈdʒɔɪəbl/ 有乐趣的 enjoy v.；enjoy doing sth 14 correct adj. /kəˈrekt/ 正确的 correctly adv.；v. 纠正 15 suggest v. /səˈdʒest/ 建议 suggest doing sth；suggest (that) sb (should) do 16 method n. /ˈmeθəd/ 方法 a method of doing sth 17 growth n. /ɡrəʊθ/ 成长；增加 grow v. 18 material n. /məˈtɪəriəl/ 材料 learning materials 学习材料 19 guidance n. /ˈɡaɪdns/ 指导 guide v./n. 20 advantage n. /ədˈvɑːntɪdʒ/ 优势 disadvantage n. 劣势 21 pronunciation n. /prəˌnʌnsiˈeɪʃn/ 发音 pronounce v. 22 click v./n. /klɪk/ 点击 click on 点击 23 magazine n. /ˌmæɡəˈziːn/ 杂志 read a magazine 24 shelf n. /ʃelf/ 架子 复数 shelves 25 print v./n. /prɪnt/ 打印；印刷品 printer n. 26 newspaper n. /ˈnjuːzpeɪpə/ 报纸 a newspaper article 27 recent adj. /ˈriːsnt/ 最近的 recently adv. 【词汇小练】 1. The teacher ________ (suggest) reading more English stories. 2. 用 aloud/loud/loudly 填空：Please read the text ________. Don't speak so ________. 3. Your ________ (pronounce) is very good. 4. There are many ________ (shelf) in the library. 参考答案： 1. suggests 2. aloud; loudly 3. pronunciation 4. shelves 重点短语 1. look up 查阅；抬头看 辨析：代词放中间：look it up；look up at 抬头看 例句：Look up the new words in a dictionary. 查词典。 练一练：If you don't know the word, ________ it ________ in a dictionary. 答：look; up 2. in general 总的来说；通常 例句：In general, practice makes perfect. 总的来说熟能生巧。 练一练：________, girls are better at language learning than boys. 答：In general 3. come across (偶然)遇见；发现 辨析：同义 run into, meet by chance 例句：I came across an old photo yesterday. 我昨天偶然看到一张老照片。 练一练：I ________ an old friend in the street yesterday. 答：came across 4. step by step 逐步地 例句：Solve the problem step by step. 一步步解决问题。 练一练：Don't worry. You can improve your English ________. 答：step by step 5. build up 加强；积累 例句：Reading builds up your vocabulary. 阅读积累词汇。 练一练：You should ________ your confidence by practising more. 答：build up 6. put off 推迟；拖延(接doing) 辨析：put off + doing，不接 to do 例句：Don't put off doing your homework. 别拖延作业。 练一练：Don't ________ until tomorrow what you can do today. 答：put off 7. in part 在某种程度上；部分地 例句：The plan failed in part. 计划部分失败。 练一练：His success is ________ due to his hard work. 答：in part 8. in addition 此外；另外 辨析：= besides, what's more 例句：In addition, we need more time. 此外我们需要更多时间。 练一练：________, we should also pay attention to our pronunciation. 答：In addition 9. take advantage of 利用 例句：Take advantage of every chance to practise. 利用每个练习机会。 练一练：We should ________ the Internet to learn more knowledge. 答：take advantage of 10. open up 打开；开拓 例句：Reading opens up a new world. 阅读打开新世界。 练一练：Traveling can ________ your eyes to the outside world. 答：open up 核心句式 1. no matter what = whatever　无论什么 结构：No matter what + 陈述句, + 主句 / Whatever + 陈述句, + 主句 用法：引导让步状语从句；同类：no matter who=whoever, no matter when=whenever, no matter how=however。从句用陈述句语序。 例：No matter what difficulties you face, never give up. 无论面对什么困难都不要放弃。 易错：no matter 系列只能引导让步状语从句；whatever 还可引导名词性从句，此时不能用 no matter what 替换。 练一练：________ hard it is, I will never give up. 答：No matter how / However 2. have trouble (in) doing sth　做某事有困难 结构：主语 + have trouble/difficulty/problems (in) doing sth 用法：in 可省略；trouble/difficulty 为不可数名词；同义 find it hard to do sth。 例：Many students have trouble remembering new words. 很多学生记单词有困难。 易错：后接 doing 不接 to do；接名词时用 have trouble with sth。 练一练：I have some trouble ________ (remember) these long words. 答：remembering 3. the + 比较级，the + 比较级　越……越…… 结构：The + 比较级 + 主谓, the + 比较级 + 主谓 用法：前半句表条件，后半句表结果；常用一般现在时表将来；比较级可以是形容词或副词。 例：The more you read, the better you understand. 你读得越多，理解越好。 易错：比较级前必须加 the；不能用 more and more 替换此结构。 练一练：________ you work, ________ progress you will make. 答：The harder; the more 语法全解 that / if / whether 引导的宾语从句 【例句】 · He said (that) he would come the next day. 他说他第二天来。 · I don't know whether he will come or not. 我不知道他是否会来。 【讲解】 ① 定义： 在及物动词（say, think, know, hope, believe, ask, wonder, find 等）后作宾语的从句叫宾语从句。宾语从句须用陈述句语序，即「主语 + 谓语」，不能倒装。 ② that 引导： that 本身无实际含义，只起连接作用，口语和非正式文体中常省略。主句为现在时，从句根据实际需要选用时态；主句为过去时，从句须用相应的过去时态。如 I think (that) he is right. 我认为他是对的。 ③ if / whether 引导： if 和 whether 都表示「是否」，引导一般疑问句变来的宾语从句。从句用陈述句语序。区别：句末有 or not 时只用 whether 不用 if；介词后、不定式前只用 whether。如 I wonder if/whether it will rain tomorrow. 我想知道明天是否下雨。 ④ 语序规则： 宾语从句一律用陈述句语序。特殊疑问句变宾语从句时，疑问词保留，后面接「主语 + 谓语」。误：Could you tell me where is the library? → 正：Could you tell me where the library is? ⑤ 时态呼应： ①主句现在时 → 从句按需用任何时态。②主句过去时 → 从句用一般过去、过去进行、过去将来或过去完成时。③从句表客观真理、自然现象、科学事实时，永用一般现在时，不受主句时态影响。 ⑥ 否定转移： 当主句主语是第一人称（I/we），谓语动词是 think, believe, suppose, expect, imagine 时，从句的否定常转移到主句。如 I don't think he will come. 我认为他不会来（不说 I think he won't come.）。 【注意】 · if 引导宾语从句表「是否」时，可与 whether 互换；但 if 引导条件状语从句表「如果」时，不能换成 whether。 · 宾语从句中 that 可省略，但如果有两个 that 从句并列，第二个 that 不能省。 【拓展】 宾语从句可简化为「疑问词 + to do」结构（当主从句主语一致时），如 I don't know what I should do. = I don't know what to do. 【例句】 · She said (that) she was reading a book then. 她说她那时正在看书。 · The teacher told us that the earth goes around the sun. 老师告诉我们地球绕太阳转。（客观真理） · Could you tell me how I can get to the station? 你能告诉我怎么去车站吗？ · I asked him if/whether he had finished his homework. 我问他是否完成了作业。 练一练：选择：I wonder ________ he will come or not. (if/whether) 答：whether 1 学科网（北京）股份有限公司 $