Unit 1 Look it up 知识梳理与同步练习 2026—2027学年沪教版八年级上册英语

**基本信息** 初中英语沪教版八年级上册Unit 1同步练，以"分层进阶+语用整合"为特色，通过基础巩固、能力提升到综合应用的梯度设计，系统强化词汇变形、语法规则及语篇表达，适配新授课知识内化与核心素养培育需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础巩固层|核心词汇变形（任务一15分）、基础语法规则（任务二20分）|聚焦词形转换（如intelligent→intelligence）和复合不定代词用法，通过单题单点夯实基础| |能力提升层|重点短语应用（任务三16分）、句型结构转换（任务四24分）|结合语境考查固定搭配（如be talented in）和句式仿写，实现从知识到技能的转化| |综合应用层|语篇理解（任务五10分）、书面表达（任务六15分）|通过首字母填空和"如何正确查阅资料"写作，培养信息整合与逻辑表达能力，体现语言能力与思维品质的融合|

Unit 1 Look it up 知识梳理与同步练习2026—2027学年沪教版八年级上册英语 第一部分 超全核心知识梳理 一、核心词汇（词性+变形+释义+考点） 1. encyclopedia /ɪnˌsaɪkləˈpiːdiə/ n. 百科全书 → encyclopedias(复数) 2. intelligent /ɪnˈtelɪdʒənt/ adj. 聪明的，有才智的 → intelligence n. 智慧，才智（词形转换高频考点） 3. talented /ˈtæləntɪd/ adj. 有天赋的 → talent n. 天赋，才能；固定搭配：be talented in 在……有天赋 4. die /daɪ/ v. 死亡 → death n. 死亡；dead adj. 死的；dying adj. 垂死的；die out 灭绝（固定短语必考） 5. edit /ˈedɪt/ v. 编辑 → editor n. 编辑；organization n. 机构，组织 → organize v. 组织 6. complete /kəmˈpliːt/ adj. 完整的 v. 完成 → completely adv. 完全地 7. original /əˈrɪdʒənl/ adj. 原始的，最初的 → origin n. 起源 8. general /ˈdʒenrəl/ adj. 普遍的，总体的 9. volume /ˈvɒljuːm/ n. 卷，册；音量 10. similar /ˈsɪmələ(r)/ adj. 相似的 → be similar to 与……相似 11. relate /rɪˈleɪt/ v. 联系 → be related to 与……有关 12. order /ˈɔːdə(r)/ n. 顺序；命令 v. 排序 → in alphabetical order 按字母顺序 二、重点短语（必考搭配+易错提醒） 1. look up 查阅（单词/资料）；抬头看 ✅关键考点：动词+副词短语，代词(it/them)必须放中间：look it up；名词可中间可末尾：look up a word=look a word up look系列拓展：look after照顾；look for寻找；look through浏览；look forward to期待；look down on轻视 2. be famous for 因……闻名 / be famous as 作为（身份）出名 3. more than = over 超过，多于 4. die out （物种）灭绝 5. from an early age = from a young age 自幼，从小 6. go back a long way 追溯到很久以前 7. play an important role in 在……中起重要作用 8. according to 根据，依据 9. in fact 事实上 10. either…or… 或者……或者……（就近原则） 11. hundreds of 成百上千（模糊数字不加s，具体数字：two hundred） 三、核心句型（课本原句+仿写） 1. Da Vinci was unusually talented in many different fields. 达芬奇在很多领域都天赋异禀。（be talented in +名词/doing） 2. Encyclopedias go back a long way in history. 百科全书的历史源远流长。 3. Some dinosaurs died out because of the change of weather. 一些恐龙因为气候变迁灭绝了。 4. There is something wrong with my computer. 我的电脑出故障了。（复合不定代词固定句式） 四、核心语法精讲：复合不定代词（something/anything/nothing/everything/someone/anyone） 1. 基础用法 some-类(something/someone)：肯定句；表委婉请求的疑问句（Would you like something to drink?） any-类(anything/anyone)：否定句、一般疑问句 no-类(nothing/no one)：表完全否定 every-类(everything/everyone)：一切，所有人 2. 两大必考规则 ① 形容词后置：something important（重要的事），不能写important something ② 作主语谓语用单数：Everything is OK. 一切顺利。 3. 易混例句 Is there anything new in today’s newspaper?（疑问句+形容词后置） There is nothing wrong with the machine.（否定含义） 同步强化练习题 班级：________ 姓名：________ 得分：________ 任务一 单词词形填空（每空1分，共15分） 用括号内所给词的正确形式填空，写在横线上。 1. He is a boy of great ____________ (intelligent). 2. Her ____________ (talent) for music showed at an early age. 3. Many prehistoric animals ____________ (death) millions of years ago. 4. We can’t believe the news is ____________ (complete) true. 5. The ____________ (edit) of this encyclopedia is a famous professor. 6. This is an ____________ (origin) painting by Da Vinci. 7. We need good ____________ (organize) for the English speech. 8. He has strong ____________ (curious) about dinosaur history. 9. The ____________ (discover) of dinosaur fossils surprised scientists. 10. We should think ____________ (create) when we look up information. 11. There are many useful ____________ (website) for students. 12. The ____________ (art) works of Da Vinci are world-famous. 13. The ____________ (science) is studying why dinosaurs died out. 14. She has a large ____________ (collect) of old encyclopedias. 15. We found ____________ (something) strange in the old book.（否定句改写） 任务二 单项选择（每题2分，共20分） ( )1. —Where is your dictionary? —I want to ______ this new word. Please pass ______ to me. A. look up it; it B. look it up; it C. look up it; them D. look it up; them ( )2. There isn’t ______ interesting in today’s magazine. A. something B. anything C. nothing D. everything ( )3. Li Bai is famous ______ his poems, while Mo Yan is famous ______ a writer. A. for; as B. as; for C. for; for D. as; as ( )4. This kind of bird ______ hundreds of years ago. A. died B. died out C. dead D. death ( )5. Either you or your sister ______ to finish the report today.（就近原则） A. have B. has C. are D. is ( )6. The style of this book is similar ______ that old encyclopedia. A. with B. as C. to D. for ( )7. —Is ______ here today? —Yes, no one is absent. A. anybody B. somebody C. everybody D. nobody ( )8. He was talented ______ painting from an early age. A. at B. in C. on D. for ( )9. ______ the teacher’s words, we finished our task quickly. A. According to B. Thanks for C. Because of D. Instead of ( )10. Everything ______ ready for the group project now. A. is B. are C. am D. be 任务三 选词短语填空（词限用一次，形式可变化；每空2分，共16分） play an important role in, be related to, go back a long way, in alphabetical order, be similar to, from an early age, die out, more than 1. This story ________________ the real history of the Ming Dynasty. 2. The tradition of making paper ____________________ in China. 3. Please write down these English words ________________________. 4. Reading ____________________ improving your writing skills. 5. This animal may ________________ if we don’t protect it well. 6. The new museum is ________________ the one we visited last year. 7. He loved painting ____________________, so he became a painter finally. 8. There are ________________ 200 volumes in this big encyclopedia. 任务四 完成句子（中文提示补全英文，每空1分，共24分） 1. 你可以在百科全书里查阅这个历史事件。 You can ________ ________ this historical event in the encyclopedia. 2. 她从小就在科学方面很有天赋。 She ________ ________ ________ science ________ an early age. 3. 熊猫和大熊猫属于同一种类。 Pandas ________ ________ ________ giant pandas. 4. 通识教育在学生成长中起到重要作用。 General education ________ ________ ________ ________ in students’ growth. 5. 这座古城的历史可以追溯到很久以前。 The history of this old city ________ ________ a long way. 6. 电脑出毛病了，它无法正常搜索信息。 There is ________ ________ ________ the computer. It can’t search information normally. 7. 恐龙数百万年前因为环境变化灭绝了。 Dinosaurs ________ ________ because of the change of environment millions of years ago. 8. 这本书的内容和那本很相似。 The content of this book ________ ________ ________ that one. 任务五 短文首字母填空（每空2分，共10分） Encyclopedias help us learn more knowledge. In the past, e_______(1) collected facts and o_______(2) them in alphabetical order. Nowadays we can look up almost any t_______(3) of topic online. But online information is not always c_______(4) right. We must compare different websites and choose r_______(5) information sources. 任务六 书面表达（15分） 主题：How to Look up Information Correctly（如何正确查阅资料） 要点：1. 查阅工具（词典、百科全书、正规网站）；2. 辨别信息真伪；3. 合理使用资料，不要照搬；词数80词左右。 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________   参考答案 任务一 词形填空答案 1. intelligence（形容词变名词，great后接名词） 2. talent（形容词talented→名词talent天赋） 3. died（ago用一般过去时，die过去式died） 4. completely（形容词true用副词修饰） 5. editor（edit编辑→editor编辑人） 6. original（形容词修饰painting） 7. organization（good后接名词“组织工作”） 8. curiosity（curious形容词→curiosity名词好奇心） 9. discovery（discover动词→discovery名词发现） 10. creatively（动词think用副词修饰） 11. websites（many+可数名词复数） 12. artists’（达芬奇的艺术作品，名词所有格） 13. scientist（scientist科学家作主语） 14. collection（a collection of固定搭配收藏品） 15. anything（否定句用anything代替something） 任务二 单项选择答案+解析 1. B 解析：代词it放look up中间；dictionary单数用it指代 2. B 解析：否定句用anything，形容词后置 3. A 解析：be famous for因…出名；be famous as作为…身份出名 4. B 解析：die out物种灭绝，一般过去时 5. B 解析：either…or就近原则，your sister三单，用has 6. C 解析：固定搭配be similar to与…相似 7. C 解析：everybody here所有人都到了 8. B 解析：be talented in在…有天赋 9. A 解析：according to根据…… 10. A 解析：everything不定代词作主语，谓语单数is 任务三 短语填空答案 1. is related to 2. goes back a long way 3. in alphabetical order 4. plays an important role in 5. die out（may后用动词原形） 6. similar to 7. from an early age 8. more than 任务四 完成句子答案 1. look up 2. is talented in; from 3. are related to 4. plays an important role 5. goes back 6. something wrong with 7. died out 8. is similar to 任务五 首字母填空答案 1. editors 2. organized 3. type 4. completely 5. reliable 任务六 书面表达参考范文 How to Look up Information Correctly When we need information for study, we have many ways to look it up. We can use dictionaries and encyclopedias for exact facts. We can also search on official websites online. However, not all online information is true. We should compare different sources to check the truth. What’s more, we can’t copy the information word for word. We need to rewrite it in our own words. Good ways of looking up information help us study better. 学科网（北京）股份有限公司 $