Unit 3 Environmental Protection 二-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第三册（人教版）

高中选修3人教 【词汇精讲】 Unit 3 Environmental Protection 词汇精讲 【Unit3】Environmental Protection二 词汇变形及词缀精讲 全部单元单词 frequently/fri:kwantli//adv.频basin/'beisn/n.流域：盆地：盆submit/sab'mt/vt.&vi.提交： 繁地；经常 penguin/pengwin/h.企鹅 呈递：屈服 broadcast/'bro:dka:st/t.&vi.reform /r'fm/vi.&t.改革；annual/'enjual/adj.每年的： (broadcast,.broadcast)播送；广 (使)改正；改造n.改革：变革；年的n.年刊；年鉴 播：传播n.广播节目：电视节改良 tropical/'tropikl/adj.热带的； 目 undergo/,nd'geu/t.(under-来自热带的 policy/pplasi/n.政策；方针：went,undergone)经历：经受（变chaos/kens/n.混乱：杂乱；紊 原则 化、不快等) 乱 footprint/fotprmt/n.足迹；（某implement./mplmant/t.使生on behalf of短语代表（代替）某 物所占的)空间量：面积 效：贯彻：执行 人 restrict/r'strikt//vt.限制：限定；harmonious /ha:'maunias/adj.uclear/'nju:klia)/adj.原子能 束缚 和谐的 的：核能的：原子核的 restriction/rI'strikfn/n.限制规moderate/'mpdarat/adj.适度 定：限制法规：约束 的：中等的；温和的mpdarert/ seize/si:z/t.抓住；夺取：控制vi.&t.缓和；使适中 词汇变形及词缀精讲 I.restrict/r'strikt/t.限制：限定；束缚 词汇变形 名词形式：restriction(限制规定；约束) 构词解析 前缀re-:表“再次、加强”；后缀-strict来自拉丁语“束缚”，-ion是名词后缀，表“行为或结果”。 同类词：construct(建造)→construction（建设)、instruct(指导)→instruction(指令) The government plans to restrict the use of plastic bags to protect the environment. 真题链接（人教版高中选修3同步练习)：Some countries have put forward strict(restrict)on car'bon emissions.(答案：restrictions) 2.reform/rI'fm/vi.&vt.改革；改造n.改革；改良 词汇变形 高中选修3人教 【词汇精讲】 Unit 3 Environmental Protection 形容词形式：reformatory(改革的：感化的) 构词解析 前缀re-:表“再次、重新”；词根fom:表“形状、形式”，合意为“重新塑造”。 The educational reform has greatly improved the quality of teaching in our school. 真题链接（人教版高中选修3教材例句）：Many countries have carried out economic reforms to promote development. 3.implement/'nplmmant/vt.使生效；执行 词汇变形 名词形式：implementation(实施；执行) 构词解析 前缀im-:表“使…进入状态”；词根ple:表“填满、完成”，mnt是名词后缀，表“行为或结 果”。 同类词：complement(补充)→complementation(互补) The new policy will be implemented next month after public consultation. 真题链接（人教版高中选修3同步练习）：The_(implement)ofthe new lawrequires the cooper'ation of all citizens.(答案：implementation) 4.harmonious /ha:'mani3s/adj.和谐的 词汇变形 名词形式：harmony(和谐：融洽) 构词解析 后缀-ous:加在名词后构成形容词，表“具有…性质的”；词根harmon:表“一致、和谐”。 同类词：danger(危险)→dangerous(危险的)、fame(名声)→famous(著名的) We should try to build a harmonious society where people live in peace. 真题链接（人教版高中选修3同步练习）：The_harmony)between humans and nature is essential for sustainable development.(答案：harmony) 5.moderate'mDdarat/adj.适度的；温和的/'mpdareit/vi.&t.缓和 词汇变形 名词形式：moderation(适度；节制) 构词解析 前缀mod-:表“尺度、方式”；后缀-ate可构成形容词或动词，-ion为名词后缀。 固定搭配：in moderation（适度地) 例句：It's important to keep a moderate diet to stay healthy. 真题链接（人教版高中选修3教材例句)：He advised us to exercise moderately and not to overwork. 6.annual/'enju/adj.每年的；一年的n.年刊：年鉴 词汇变形 副词形式：annually(每年；年度地) 构词解析 词根ann:表“年”（如anniversary周年)：后缀-al构成形容词，-ly构成副词。 2 高中选修3人教 【词汇精讲】 Unit 3 Environmental Protection 同类词：month(月)→monthly(每月的)、week（周)→weekly(每周的) The company holds an annual meeting to summarize the past year's work. 真题链接（人教版高中选修3同步练习)：The report shows that the number of tourists increases (annual)by10%.(答案：annually) 7.tropical/'trppikl/adj.热带的：来自热带的 词汇变形 名词形式：tropic(回归线：热带地区) 构词解析 词根rop:表“转向”（热带位于太阳直射点“转向”的回归线之间）；后缀-icl构成形容词，表 “与…相关的”。 同类词：geography(地理)→geographical(地理的)、logic(逻辑)→logical(逻辑的) Many rare animals live in the tropical rainforests of South America. 真题链接（人教版高中选修3教材例句)：Tropical storms often cause heavy rain and strong winds in coastal areas. 8.nuclear/nju:klia(c)/adj.原子能的：原子核的 词汇变形 名词形式：nucleus(核；核心)→nuclei(复数) 构词解析 前缀nucl-:表“核”（来自拉丁语“坚果仁”）：后缀-ar构成形容词，表“与…有关的”。 同类词：molecule(分子)→molecular(分子的)、cell(细胞)→cellular(细胞的) 例句：Nuclear energy is considered a clean and efficient energy source. 真题链接（人教版高中选修3同步练习）：The research team is studying the structure of the atomic (uclear).(答案：nucleus) 9.submit/sab'mt/t.&vi.提交；屈服 词汇变形 名词形式：submission（提交：服从) 构词解析 前缀sub-:表“在…之下”；词根mit:表“发送、放出”，合意为“送下去”→“提交：屈服”。 同类词：transmit(传送)→transmission(传播)、commit(承诺)→commitment(承诺) 例句：All participants must submit their papers before the deadline.. 真题链接（人教版高中选修3同步练习)：The__(submit)of the application form should be done online.（答案：submission) 10.undergo/nd3'ga/t.经历：经受 词汇变形 过去式/过去分词：underwent/undergone 构词解析 前缀under-:表“在…之下、经历”；词根go:表“走”，合意为“走过（困难等）”。 同类词：undergo(经历)→experience(经历)、underlie(构成…基础)→underlying(潜在的) 高中选修3人教 【词汇精讲】 Unit 3 Environmental Protection 例句：The patient underwent a major operation and is now recovering. 真题链接（人教版高中选修3教材例句)：The city has undergone great changes since the reform and opening-up. 11.broadcast/br3:dka:st//t.&vi.播送：传播n.广播节目 词汇变形 过去式/过去分词：broadcast(不规则变化，与原形一致) 构词解析 前缀broad-:表“广泛的”；词根cast:表“投掷、传播”，合意为“广泛传播”。 例句：The news was broadcast live to audiences all over the world. 真题链接（人教版高中选修3同步练习)：The concert will be (broadcast)on TV next Sunday evening.(答案：broadcast) 12.seize/si:z/vt.抓住；夺取；控制 词汇变形 名词形式：seizure(夺取：没收) 构词解析 词根seiz:表“抓住”；后缀-ure是名词后缀，表“行为或结果”。 The police managed to seize a large amount of illegal drugs during the operation. 真题链接（人教版高中选修3同步练习)：The sudden(seize)of power caused chaos in the country.(答案：seizure) 综合训练 一、 根据句意及汉语提示完成单词 6.The government has announced new (限制规定)on public gatherings to ensure safety. 7.We should work hard to build a more (和谐的)relationship between teachers and students. 8.The (climate in this area is suitable for growing bananas and pineapples 9.The company's()report shows a 20%increase in sales compared to last year. 10.The (of the medical system has greatly improved people's access to healthcare 二、用所给单词的适当形式填空 6.The(implement)of the new policy will take effect next semester.(implement) 7.It's important to exercise (moderate)to avoid injury.(moderate) 8.The research team submitted their _(submit)to the conference last week.(submit) 4 高中选修3人教 【词汇精讲】 Unit 3 Environmental Protection 9.The city has (undergo)dramatic changes since the new airport was built.(undergo) 10.The sudden (seize)of the factory by the local government caused a public debate.(seize) 三、完成句子（每空一词） 5.这个计划需要所有部门的合作才能成功 (执行) The plan needs cooperation from all departments to be (implement) 6.人与自然的 (和谐)是可持续发展的基础。 The between humans and nature is the foundation of sustainable development.(harmony) 7.政府决定 (限制)塑料袋的使用以减少污染。 The government decided to the use of plastic bags to reduce pollution.(restrict) 8.每年有数百万人参观这个 (热带的)植物园。 Millions of people visit this botanical garden every year.(tropical) 四、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。 Environmental protection has become a global issue.To address climate change,many countries have put forward strict (restrict)on carbon emissions.Last year,our city began to (implement)a new policy to promote green transportation.The goal is to build a (harmonious) community where people live in balance with nature. Local residents have responded positively.They now prefer to use public transport (annual) rather than drive private cars.Many also participate in tree-planting activities to protect (tropical)forests.The(reform)of waste management has also reduced pollution significantly. Last month,a survey showed that people's awareness of environmental protection has (un- dergo)a big change.Experts say this progress is the result of joint efforts from the government and citizens. 参考答案 I.根据句意及汉语提示完成单词 6.restrictions 7.harmonious 8.tropical 9.annual 10.reform 高中选修3人教 【词汇精讲】 Unit 3 Environmental Protection Ⅱ.用所给单词的适当形式填空 6.implementation 7.moderately 8.submission 9.undergone 10.seizure I.完成句子 5.implemented 6.harmony 7.restrict 8.tropical V.语篇填空 1.restrictions 2.implement 3.harmonious 4.annually 5.tropical 6.reform 7. undergone 6