Unit 8 Green Living Lesson 1-2025-2026学年高中英语词义辨析及同义替换精讲必修第三册（北师大版）

高中必修3北师大版 【核心词汇精讲】 Unit 8:Green Living Lesson 1 词汇精讲 【Unit8】Green Living Lesson1 词义辨析及同义替换精讲 本单元核心词汇 一、全部单元单词 root /ru:t/n.树根 以自我为中心，自我中心主义 foundation/fan'deI/n.基础： shoot /fu:t/n.芽，苗：嫩枝：t.gallon/'geln/n.加仑 地基 射中：射击 take action采取行动 brick /brik/n.砖，砖块 bother/'bDi/vi.&t.费心，麻institute/mstrtju:t/n.机构：研 all around the world全世界 烦 究院 involve /in'volv/vt.参与；包含 can't be bothered to do sth懒得chimpanzee/.tfimpn'zi:/n.黑 wag /waeg/vi..&t.(狗)摇（尾 做某事 猩猩 巴) just-me-ism/d3Ast mi:zam/n.firm/f3m/adj.实的；稳固的 词义辨析及同义替换 1. bother/bDia/vi.&t.费心，麻烦 词义辨析： bother:侧重表示“为小事费心、打扰他人”，可作不及物动词（后接with/about)或及物动词（后 接宾语) trouble:含义更正式，指“使烦恼、麻烦”，语气比bother重，常用搭配trouble sb to do sth。 同义替换： trouble,disturb 例句： Don't bother with the details:just tell me the result. 真题链接：（北师大版高中必修3同步练习） I'm sorry toyou,but could you please pass me the dictionary? A.bother B.woyC.interrupt(答案：A) 2.firm/f3m/adj.实的：稳固的 词义辨析： fim:强调“结构稳固、不易动摇”，可形容物体（如地基、握手）或抽象概念（如信念）。 高中必修3北师大版 【核心词汇精讲】 Unit 8:Green Living Lesson 1 stable:侧重“状态稳定、持续不变”，多用于形容局势、情绪或化学物质的稳定性。 同义替换： stable,steady 例句： The chair feels firm enough to sit on. 真题链接：（北师大版高中必修3单元测试） After the earthquake,the government tried to keep the society A.firm B.stable C.strong (答案：B) 3.foundation/fan'der/n.基础：地基 词义辨析： foundation:指“建筑物的地基”或“抽象事物的基础”，强调支撑作用，如理论、组织的基础。 bas:侧重“具体的底部、底座”，如花瓶的底座，或“军事行动基地”。 同义替换： base,basis 例句： A good education is the foundation of a successful career 真题链接：（北师大版高中必修3同步练习） The company has set up a research in the new science park A.foundation B.base C.basis (答案：B) 4.involve /i'volv/t.参与：包含 词义辨析： involve:表示“使参与、包含”，常用搭配involve sb in sth(使某人参与某事)或involve doing th(包含做某事)。 include:侧重“整体包含部分”，不强调“参与”，直接接名词作宾语。 同义替换： engage,include 例句： The project involves working with a team of experts. 真题链接：（北师大版高中必修3单元测试） The job traveling to different cities,which I really enjoy. A.involves B.includes C.contains (答案：A) 5.take action采取行动 词义辨析： take action:强调“采取具体行动解决问题”，action为不可数名词，无复数形式。 take measures:侧重“采取有计划的措施、方法”，measures为可数名词，常用复数。 高中必修3北师大版 【核心词汇精讲】 Unit 8:Green Living Lesson 1 同义替换： take steps,act 例句： We must take action to protect the environment before it's too late 真题链接：（北师大版高中必修3同步练习） The government has promised to to reduce air pollution. A.take action B.take actions C.take a step (答案：A) 6.root/ru:t/n.树根 词义辨析： root:指“植物的根”，也可比喻“根源”（如问题的根源)，常用搭配root cause(根本原因)。 stem:侧重“植物的茎、干”，连接根与叶，也可指“词干”（语言学）。 同义替换： radix(术语)，origin 例句： The tree's roots have grown deep into the soil. 真题链接：（北师大版高中必修3同步练习） The of the conflict lies in the misunderstanding between the two sides. A.root B.stem C.source (答案：A) 7. shoot/fu:t/n.芽，苗：嫩枝：t.射中：射击 词义辨析： shoot(n.):指“植物的芽、嫩枝”，与root(根)相对；作动词时表“射击、射中”。 bud:专指“植物的芽”，比shoot更侧重“未展开的芽”。 同义替换： (n.)bud,sprout;(v.)fire,hit 例句： New shoots are growing on the tree after the rain. 真题链接：（北师大版高中必修3同步练习） The hunter aimed at the target and it accurately. A.shot B.fired C.hit (答案：A) 8.nstitute/'nstrtju:t/n.机构；研究院 词义辨析： institute:指“从事研究或教育的机构”，如研究所、学院，规模通常小于university。 organization:含义更广，泛指“组织、团体”，包括政府机构、公司、非营利组织等。 同义替换： academy,organization 3 高中必修3北师大版 【核心词汇精讲】 Unit 8:Green Living Lesson 1 例句： She works at the Institute of Environmental Studies. 真题链接：（北师大版高中必修3单元测试） The World Health is an international organization that fights diseases A.Institute B.Organization C.Association (答案：B) 9.all around the world全世界 词义辨析： all around the world:口语和书面语通用，强调“遍布各地”。 across the globe:更书面化，globe比world更正式，常与spread,travel等词搭配。 同义替换： all over the world,across the globe 例句： People all around the world celebrate the New Year in different ways. 真题链接：（北师大版高中必修3同步练习） The Internet allows us to communicate with people A.all around the world B.across the country C.in the city （答案：A)》 l0.can't be bothered to do sth懒得做某事 词义辨析： can't be bothered to do sth:口语化表达，强调“因嫌庥烦而不愿做”。 be unwilling to do sth:更正式，侧重“主观不愿意”，不一定因“麻烦”。 同义替换： be too lazy to do sth,be unwilling to do sth 例句： He can't be bothered to reply to emails on weekends. 真题链接：（北师大版高中必修3单元测试） She was so tired that she cook dinner and ordered takeout instead A.couldn't be bothered to B.wasn't willing to C.didn't want to(答案：A) 11.firm/f3m/adj.实的：稳固的（补充辨析） 词义辨析： fim(指人)：还可表示“坚定的、坚决的”，如firm belief(坚定的信念)。 steady:指“稳定的、持续的”，如steady progress(稳步进展)，不用于形容“信念”。 同义替换： resolute,steady 例句： She remained firm in her decision despite opposition 高中必修3北师大版 【核心词汇精讲】 Unit 8:Green Living Lesson 1 真题链接：（北师大版高中必修3同步练习） His determination helped him overcome all difficulties. A.firm B.steady C.strong (答案：A) 12.oot /ru:t/n.树根（补充辨析） 词义辨析： Ioot(比喻义)：可指“根源、本质”，如the root of the problem(问题的根源)。 source:指“来源、出处”，如he source of information(信息来源)，不强调“根本原因”。 同义替换： origin,source 例句： Poverty is often the root of social unrest 真题链接：（北师大版高中必修3单元测试) We need to find the of the river before building the dam. A.source B.root C.origin (答案：A) 综合演练 综合练习 一、 单项选择 1.The old man walked slowly with a stick to support himself. A.firm B.stable C.steady 2.The research project collecting data from over 1000 participants across the country. A.involves B.includes C.contains 3.To solve environmental problems,governments must immediately instead of waiting A.take action B.take measures C.take steps 4.The of the ancient building was damaged in the flood,requiring urgent repair. A.foundation B.base 5 高中必修3北师大版 【核心词汇精讲】 Unit 8:Green Living Lesson 1 C.basis 5.She was too tired to cook,so she order takeout for dinner. A.couldn't be bothered to B.wasn't willing to C.didn't want to 二、根据句意及首字母提示填空 1.The root of the problem lies in the lack of communication between the two g 2.The new policy will i changes in healthcare and education systems. 3.After the storm,many trees lost their leaves,but new sbegan to grow in spring. 4.The World Health Ohas sent medical teams to help with the disease control. 5.A good education provides a solid f for future success 三、用所给单词的适当形式填空 1.The team's (firm)belief in their strategy helped them win the competition. 2.This job (involve)working with people from different cultural backgrounds. 3.The company has set up a new research (base)in the northern city 4.She remained (steady)calm even when facing unexpected difficulties. 5.We need to find the (root)cause of the problem to prevent it from happening again. 四、完成句子（每空一词) 1.这项工作需要频繁出差，这正是我期待的。 The job which is exactly what I expect. 2.不要为这些小事费心，专注于你的目标。 Don't these small things;focus on your goals. 3.教育是个人发展的基础，这一点毋庸置疑。 There is no doubt that education is the personal development. 4.政府承诺采取行动改善空气质量。 The government promised to to improve air quality. 6 高中必修3北师大版 【核心词汇精讲】 Unit 8:Green Living Lesson 1 五、语篇填空 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 Scientists at the Environmental Research (1.institute/organization)have been studying climate change for decades.Their research(2.involves/includes)analyzing data from weather stations all around the world.They believe the(3.root/source)ofrising temperatures ishuman activity, such as burning fossil fuels.To address this,they urge governments to(4.take action/take measures)to reduce carbon emissions.Dr.Wang,the leadresearcher,remains(5.firm/steady) in her view that immediate action can still slow down global warming.She often says,"A strong (6.foundation/base)of public awareness is key to solving this crisis." 参考答案 I.单项选择 1.A2.A 3.A4.A5.A IⅡ.根据句意及首字母提示填空 1.groups 2.involve 3.shoots 4.Organization 5.foundation I用所给单词的适当形式填空 1.firm 2.involves 3.base 4.steadily 5.root V.完成句子 1.involves frequent traveling 2.bother with 3.foundation of 4.take action V.语篇填空 1.institute 2.involves 3root 4take action 5.firm 6.foundation 7