·Unit 3重点知识梳理+练习- 2025-2026学年沪教版七年级下学期英语

该初中英语知识清单系统梳理了七下Unit 3“Trees and us”核心内容，涵盖重点词汇、短语、核心考点、语法及书面表达，搭建从基础词汇积累到语法应用再到综合写作的递进式学习支架。 清单通过分类分级呈现知识体系，如名词动词分类梳理、易混点对比辨析（如“be made of vs be made from”），结合现在进行时语法专项及书面表达范文，培养学生语言能力与思维品质。设计基础练习、考点专项等分层训练，教师可精准教学，学生能自主巩固，提升学习效率。

【新沪教】七下英语·Unit 3重点知识梳理+练习 ( Unit 3 Trees and us ) 一、重点词汇梳理 1. 名词 单词 音标 词性 中文释义 branch /brɑ:ntʃ/ n. 树枝 root /ru:t/ n. 根；根茎 environment /ɪn 'vaɪrΘnmΘnt/ n. 自然环境 furniture /'f3:nɪtʃΘ(r)/ n. （可移动的）家具 human /'hju:mΘn/ n. 人口 oxygen /'Dksɪd3Θn/ n. 氧；氧气 wood /wud/ n. 木；木头 species /'spi:ʃi:z/ n. 种；物种 product /'prDdΛkt/ n. 产品；制品 side /saɪd/ n. 一面 hole /hΘul/ n. 洞；孔；坑 stick /stɪk/ n. 棍；条 accident /'æ ksɪdΘnt/ n. 意外；偶然的事 character /'kærΘktΘ(r)/ n. 文字 knowledge /'nDlɪd3/ n. 知识；学问 translation /trænz'leɪʃn/ n. 译文；译本 2. 动词 单词 音标 中文释义 create /kri'eɪt/ 创造 overlook /ˌΘuvΘ'luk/ 忽略；未注意到 treat /tri:t/ 以...态度（方式）对待 communicate /kΘ 'mju:nɪkeɪt/ 交流；沟通 borrow /'bDrΘu/ 借；借用 dig /dɪɡ/ 掘（地） ；挖（洞） 巳 基础词汇练习 ( 1. Trees take in ______ and produce oxygen . A. greenhouse gases B . greenhouse gas C . a greenhouse gas D . a greenhouse gases 2. We should protect our ______. A. environments B . environment C . an environment D . environment 's 3. Much ______ is made of wood . A. furnitures B . furniture C . a furniture D . furniture 's 4. Trees are important for all ______ things on earth . A. live B. living C. a live D . lived 5. We can .t ______ a world without trees . A. imagine B . imagined C . imaging D . imagines 6. I ______ a book from the library . A. borrowed B . lend C . borrowed to D . lend to 7. We should not ______ down trees . A. cut B . cutting C . cuts D . cutted 8. We need to ______ with others . A. communicate B . communication C . communicating D . communicates 9. The government should ______ people to save trees . A. call on B. call off C. call up D. call back 10. Paper is made ______ wood . A. of B. from C. into D. by ) ( ✅ 参考答案 1. A 2. B 3. B 4. B 5. A 6. A 7. A 8. A 9. A 10. B ) 二、重点短语 英文短语 中文释义 greenhouse gas 温室气体 take in 吸收；摄入 be made of 由 ……制成（看得出原材料） come from 来自 for example 例如；譬如 look around 环视；环顾； 四下察看 to begin with 首先；第一点 communicate with 与 ……沟通 call on 号召；动员；要求 according to 据（ ……所说） ；按（ ……所报道） by accident 偶然；意外地 provide...with... 为 ……提供 make tea 沏茶 in a kind way 以友善的方式 cut down 砍倒 so far 到目前为止 date back to 追溯到 drink tea for the taste 喝茶是为了品茶 be known as 被称为 … … share with 和 ……分享；共享 in fact 事实上 θ 重点辨析： be made of vs be made from： • be made of（看得出原材料） The table is made of wood. • be made from（看不出原材料） Paper is made from wood. θ 重点辨析： borrow vs lend： • borrow（借入） borrow...from... Can I borrow your book? • lend（借出） lend...to... I lent my book to Tom. 例句： • Trees take in carbon dioxide and produce oxygen. • A lot of furniture is made of wood. • We can borrow books from the library. • The government calls on people to save trees. 巳 短语练习 ( 1. Trees ______ harmful gases and produce oxygen . A. take off B . take in C . take out D . take away 2. This table ______ wood . A. is made of B. is made from C. is made into D. is made by 3. Paper ______ wood . A. is made of B. is made from C. is made into D. is made by 4. We should not ______ down trees . A. cut B . cut down C . cut off D . cut out 5. The government ______ citizens to save water . A. calls on B . calls off C . calls up D. calls back 6. I ______ a book from the library yesterday . A. borrowed B . lent C . borrowed to D . lent to 7. She ______ her bike to me last week . A. borrowed B . lent C . borrowed to D . lent to 8. We should ______ happiness with our friends . A. share to B . share with C . shared to D . shared with 9. ______, everyone can make it . A. In fact B . In the fact C . At fact D . Of fact 10. He met his friend ______. A. by accident B . in accident C . by an accident D . in an accident ) ( ✅ 参考答案 1. B 2. A 3. B 4. B 5. A 6. A 7. B 8. B 9. A 10. A ) 三、核心考点精讲 ( 考点1： else 的用法 用法：通常用于复合不定代词或疑问词后 例句： · I have something else to tell you. · What else do trees do for us ? ) · Who else wants to have a try? 考点2： share 的用法 share sth. with sb. 和某人分享某物 例句： · We share our world with trees. · I'd like to share my happiness with you. 考点3： living, alive, live, lively 辨析 单词 含义 用法 alive 活着的 表语/后置定语 ，指人/动物 ，无比较级 living 有生命的；活着的 定语 ，指人/动物/植物 live 有生命的；现场播出的 定语 ，指动物/植物 ，现场直播 lively 有生气的；活泼的 定语/表语/宾补 ，指人/物 考点4：take 的相关短语 短语 含义 take in 吸收；吸入 take up 从事； 占据（时间/空间） take away 拿走；带走 take off 脱下；（飞机）起飞 take care of 照顾 take part in 参加 考点5：furniture 的用法 要点：不可数名词 ，没有复数形式 修饰：a lot of, much, little, a little 不修饰： many, few, a few 计量：a piece of furniture / a suite of furniture 例句： · A lot of furniture is made of wood. · This table is a valuable piece of furniture. 考点6： be made 的不同搭配 短语 含义 例句 be made of 由……制成（看得出原材料） The table is made of wood. be made from 由……制成（看不出原材料） Paper is made from wood. be made into 被制成…… The fruit can be made into jam. be made by 被……制作 The car is made by a factory. be made in 被制作于…… The phone is made in China. 考点7： imagine 的用法 imagine sth. 想象某事 imagine doing sth. 想象做某事 imagine + 从句 例句： · We can.t imagine a world without trees. · I can.t imagine living in another country. · Can you imagine what a great teacher she is? 考点8：treat 的用法 treat sb. in a ... way 以……方式对待某人treat ... as/like... 把……看作…… treat 还有"治疗；请客"的意思 例句： · Humans are not treating trees in a kind way. · Don.t treat me as a child. · The doctor is treating his illness. · He treated us to a big meal. 考点9：cut 的相关短语 短语 含义 cut down 砍倒；削减 cut off 切断；切除 cut out 删掉；切除 cut up 切碎 cut in 插嘴；干预 考点10： borrow, lend, keep 辨析 动词 含义 用法 例句 borrow 借入 borrow...from... Can I borrow your book? lend 借出 lend...to... I lent my book to Tom. keep 借；保存 延续性动词 ，可和时间状语连用 I have kept the book for two weeks. 巳 考点专项练习 1. I have ______ else to tell you. A. something B. anything C. nothing D. everything 2. Who ______ wants to have a try? ( ✅ 参考答案 1. A 2. A 3. B 4. B 5. B 6. A 7. B 8. C 9. A 10. A ) A. else B. another C. other D. others ( 3. I. d like to share my happiness ______ you . A. to B . with C . for D . of ) ( 4. Trees ______ greenhouse gases . A. take away B . take in C . take off D . take out ) ( 5. Much ______ is made of wood . A. furnitures B . furniture C . a furniture D . many furniture ) ( 6. The table ______ wood . A. is made of B . is made from C . is made into D . is made by ) ( 7. I can . t imagine ______ without trees . A. live B . living C . to live D . lived ) ( 8. We should ______ trees in a kind way . A. treat to B . treat with C . treat D . treating ) ( 9. We should not ______ down trees . A. cut B . cutting C . cuts D . cutted ) ( 10. Can I ______ your bike ? A. borrow B . lend C . borrowed D . lent ) 四、语法：现在进行时 一、定义 表示正在进行的动作或存在的状态。动作发生的时间是"现在" ，动作目前的状态是"正在进行中"。 二、基本用法 用法 示例 表示现在（说话瞬间）正在进行或发生的动作 They are playing basketball now. 表示目前阶段正在进行 ，而此刻不一定发生的动作 We are making model planes these days. 表示打算、计划要做的事 I am leaving for Beijing tomorrow. 三、句子结构 主语 + is/am/are + doing（现在分词） 四、基本句式 句式 结构 例句 肯定句 主语 + be(am/is/are) + V-ing + 其他 They are having an English class. 否定句 主语 + be + not + V-ing + 其他 They aren.t having an English class. 一般疑问句 Be + 主语 + V-ing + 其他？ Are they having an English class? 特殊疑问句 疑问词 + be + 主语 + V-ing + 其他？ What are you doing now? 五、 时间状语 now, right now at this/the moment Look! Listen! Be quiet! these days, this week... 六、动词现在分词规则变化 情况 变形 示例 一般情况 加-ing work-working, listen-listening 以不发音字母e结尾 去e ，再加-ing write-writing, make-making 重读闭音节结尾的动词 双写词尾辅音字母加-ing run-running, put-putting 以ie结尾 变ie为y再加-ing lie-lying, die-dying 七、不用进行时态的动词 类型 示例 表心理状态、情感的动词 love, hate, like, want, believe, prefer, know, realize, understand等 表存在、状态的动词 appear, exist, lie, remain, stand, seem等 表感觉的动词 see, hear, feel, smell, sound, taste等 表瞬间性的动词 accept, allow, admit, decide, end, refuse, permit, promise等 θ 特别注意： · 有些动词在不同含义时可以用进行时态 · have 表示"有"时不用进行时 ，但表示"吃"时可以用 · see 表示"看见"时不用进行时 ，但表示"观看"时可以用 巳 语法专项练习 1. I think that Lingling ______ a book now. A. read B. reads C. is reading D. reading 2. — Why are you standing at the door? — I want to talk to Miss Wu, but she ______ a meeting right now. ( ✅ 参考答案 1. C 2. B 3. B 4. C 5. A 6. B 7. A 8. B 9. C 10. B ) A. has B. is having C. had D. will have ( 3. We ______ the drama again now . Please join us . A. watch B . are watching C . watched D . were watching ) ( 4. Don . t disturb Sun Yang now . He ______ for the swimming competition . A. prepares B . prepared C . is preparing D . will prepare ) ( 5. Susie often ______ computer games after dinner but now she ______ a book . A. plays ; is reading B . is playing ; reads C . plays ; read D . is playing ; is reading ) ( 6. Look ! Some of them ______ photos at the beach . A. take B . are taking C . took D . taking ) ( 7. I ______ for my pet cat . A. am looking B . look C . looking D . looks ) ( 8. Now we ______ for the final exam . A. prepare B . are preparing C . prepared D . were preparing ) ( 9. She ______ her bedroom now . A. cleans B . clean C . is cleaning D . cleaning ) ( 10. They ______ basketball at the stadium . A. play B . are playing C . played D . playing ) 五、易混点辨析 易混点 用法区别 例句 be made 系列 be made of（看得出原材料） The table is made of wood. be made from（看不出原材料） Paper is made from wood. be made into（被制成……） The fruit can be made into jam. be made by（被……制作） The car is made by a factory. living, alive, live, lively alive（活着的 ，表语/后置定语 ，指人/动物） The fish is still alive. living（有生命的 ，定语 ，指人/动物/植物） He is a living writer. ( lively （有生气的 ，定语/表语/宾补 ，指人/ 物） Jenny is a lively girl. borrow, lend, keep borrow （借入 ， borrow ... from ...） Can I borrow your book? lend （借出 ， lend ... to ...） I lent my book to Tom . keep （借；保存 ，可和时间状语连用） I have kept the book for two weeks. for example / such as for example （一个例子 ，插入语 ， +句子） For example, he helps others. such as （几个例子 ，列举 ， +名词） Fruits such as apples... ) 六、书面表达：保护树木 写作要点： 1. 介绍树木的重要性 2. 说明树木对人类的贡献3. 指出人类对树木的破坏 4. 提出保护树木的建议 5. 呼吁大家行动起来 常用句型： 开头： · Trees are very important for us. · Trees play an important role in our life.树木的作用： · Trees take in greenhouse gases. · Trees produce oxygen. · Trees provide us with food and materials. · Trees protect the environment.问题： · However, humans are cutting down forests. · We are not treating trees well.建议： · We should plant more trees. · We should stop cutting down trees. · We should use both sides of paper.结束： · Let's work together to protect trees. · It's time to take action now. ( 范文示例： Trees: Our Silent Frien ds Trees are very important for all living things on earth. They do so much for us. First, trees take in greenhouse gases like carbon dioxide and produce oxygen. This helps keep the air clean. Second, trees provide us with food and materials. For example, we make tea from tea leaves, and mu ch furniture is made of wood. However, humans are not treating trees well. We are cutting down forests all around the world. This is harmful to our environment. ) We should take action to protect trees. First, we should plant more trees. Second, we should stop cutting down trees. Third, we should use paper wisely, such as using both sides of paper. Finally, we should tell others about the importance of trees. Let.s work together to protect trees and save our planet! 巳 单元综合测试 ( 1. Trees ______ greenhouse gases and produce oxygen . A. take i n B . take off C . take away D . take out 2. Much ______ is made of wood . A. furnitures B . furniture C . a furniture D . many furniture 3. The table ______ wood . A. is made of B . is made from C . is made into D . is made by 4. We can .t ______ a world without trees . A. imagine B . imagined C . imaging D . imagines 5. I ______ a book from the library . A. borrowed B . lend C . borrowed to D . lend to 6. We should not ______ down trees . A. cut B . cutting C . cuts D . cutted 7. The government ______ people to save water . A. calls on B . calls off C . calls up D . calls back 8. I think that Lingling ______ a book now . A. read B . reads C . is reading D . reading 9. We should ______ happiness with our friends . A. share to B . share with C . shared to D . shared with 10. Trees are important for all ______ things on earth . A. live B. living C. a live D. lived ) ( ✅ 参考答案 1. A 2. B 3. A 4. A 5. A 6. A 7. A 8. C 9. B 10. B ) 祝同学们学习进步！ 学科网（北京）股份有限公司 $