Unit 6 Earth first 一-2025-2026学年高中英语词汇变形及词缀精讲必修第二册（外研版）

高中外研版 【必修第二册】 Unit 6 Earth first 必修第二册 【Unit6】Earth first 词汇变形及词缀精讲 全部单元单词 shark小ak/n.鲨（鱼） 绝种 告，（观点的）陈述，说明 scare/skea(r)/.使（某人）惊attitude/'etrtju:dn. (尤指通reserve /r'z3:v/n.(野生生物) 恐，吓唬 过行为表现出的对某事的一般)保护区 due to由于，因为 看法，态度 staff/sta:f/n.员工 fin /fi/v.切去（鱼的）鳍：n.devote/dr'vaot/v.致力，献身，establish /I'staeblif/v.建立，设 鱼鳍 倾注 立 dive/daIv/v.(通常指使用呼吸ocean/'aon/n.海洋，大海 damage/daemid3/v.破损，损 设备的)潜水 highlight/'harlart/v.使…突害，损伤 target /'ta:git/v.把…作为目出，使注意力集中于 drought/drat/n.旱灾，千旱 标 cruelty/'ku:lti/n.残忍，残酷，flood /flad/n.洪水，水灾 fortunately/'f:tfanatli/adv.幸残暴 运地 hunting/hnt/n.打猎，狩猎 extinction/k'stkn/n.灭绝，presentation/.prezn'terfn/n.报 词汇变形及词缀精讲 1.extinction/ik'stkn/n.灭绝，绝种 动词形式：extinguish(熄灭：使灭绝) 构词解析：前缀ex-:表完全、彻底”：后缀tion:加在动词后构成名词，表”动作或过程的结果”。 同类词：action(行动)←-act(行动)、invention(发明)←-invent(发明) 例句：The extinction of dinosaurs happened millions of years ago. 真题链接（外研版高中必修第二册同步练习）：Human activities have led to the (extinct)of many species.(答案：extinction) 2.fortunately/'fo:tfonatli/adv.幸运地 形容词形式：fortunate 名词形式：fortune(运气；财富) 构词解析：前缀fort-:表运气”；后缀-ate:构成形容词；-y:构成副词。 例句：Fortunately,no one was injured in the accident.. 真题链接（外研版高中必修第二册教材例句）：Fortunately,we arrived at the airport on time. 1 高中外研版 【必修第二册】 Unit 6 Earth first 3.attitude/atrtju:d/n.看法，态度 形容词形式：attitudinal(态度上的) 构词解析：后缀-iud:加在形容词或动词后构成抽象名词，表”性质、状态”。 同类词：latitude(纬度)、aptitude（才能) Her positive attitude towards life helps her overcome difficulties. 真题链接（外研版高中必修第二册同步练习）：What's your(attitude)to online learning?(答 案：attitude) 4.devote/d'vat/V.致力，献身 名词形式：devotion(献身；忠诚) 形容词形式：devoted(忠诚的：献身的) 构词解析：前缀de-:表”完全”；后缀-ote:构成动词；-tion:构成名词；-ed:构成形容词。 固定搭配：devote oneself to(致力于…) 例句：She devoted all her life to scientific research. 真题链接（外研版高中必修第二册同步练习）：The teacher is_(devote)to her students and often works overtime.(答案：devoted) 5.highlight/'hailart/v.使突出；n.亮点 名词形式：highlight(亮点，同形) 形容词形式：highlighted(被突出的) 构词解析：前缀high-:表”高的：突出的”：词根light:表”光；照亮。 The report highlights the importance of protecting the environment. 真题链接（外研版高中必修第二册教材例句)：The speech highlighted the achievements of the school in the past year. 6.cruelty/ku:alti/n.残忍，残酷 形容词形式：cuel(残忍的) 副词形式：cruelly(残忍地) 构词解析：后缀y:加在形容词后构成名词，表”性质、状态”。 同类词：loyalty(忠诚)←loyal(忠诚的)、safety(安全)←-safe(安全的) 例句：We should fight against cruelty to animals. 真题链接（外研版高中必修第二册同步练习）：The(cruel))of the war left a deep impression on him.(答案：cruelty) 7.hunting/'hnt/n.打猎，狩猎 动词形式：hunt(打猎：搜寻) 名词形式：hunter(猎人) 构词解析：后缀-g:加在动词后构成名词，表”动作或活动”。 Illegal hunting has caused a sharp decrease in the number of wild animals. 真题链接（外研版高中必修第二册同步练习）：_hunt)endangered species is against the law.(答 案：Hunting) 2 高中外研版 【必修第二册】 Unit 6 Earth first 8.presentation/,prezn'ten/n.报告，陈述 动词形式：present(呈现：介绍) 形容词形式：presentable(可展示的) 构词解析：前缀pre-:表预先：向前”；后缀-ation:加在动词后构成名词，表”动作或过程”。 例句：She made a wonderful presentation at the meeting. 真题链接（外研版高中必修第二册同步练习）：You need to (presentation)your ideas clearly in the class.(答案：present) 9.establish1'staeblr/v.建立，设立 名词形式：establishment（建立：机构) 形容词形式：established(已建立的) 构词解析：前缀e-(=ex-):表”出”；后缀-ish:构成动词；-ment:构成名词。 例句：The company was established in 1990 真题链接（外研版高中必修第二册同步练习）：The new school will be」 (establish)next year. 案：established) 10.damage/'daemId3V.损害；n.损害 形容词形式：damaging(有害的) 构词解析：后缀-ge:加在动词后构成名词，表”行为的结果或程度”。 例句：The storm caused great damage to the village. 真题链接（外研版高中必修第二册教材例句）：Pollution is damaging our environment seriously. 综合训练 一、 根据句意及汉语提示完成单词 6.The()of this rare species is caused by habitat loss. 7._(幸运地)，the lost child was found by the police within hours. 8.Her positive _(towards challenges inspired everyone around her. 9.The)of animal testing has sparked public debate. 10.The environmental report(the urgency of reducing plastic waste 二、用所给单词的适当形式填空 1.She has a deep(devote)to helping homeless people in her community. 2.The(establish)of the new nature reserve will protect endangered animals. 3.The documentary_(highlight)the impact of climate change on polar bears last night. 3 高中外研版 【必修第二册】 Unit 6 Earth first 4.His_(cruel)to the small animal was condemned by neighbors. 5.The teacher's(devote)to education has earned her students'respect. 6.We need to_(presentation)our project plan to the committee next Monday. 7.The storm last week caused serious_(damage)to coastal villages 8.(hunt)without a license is illegal in this national park. 三、完成句子（每空一词) 1.这位科学家毕生致力于癌症研究。 The scientist all her life cancer research. 2.他对工作的忠诚赢得了同事们的信任。 Histo work won the trust of his colleagues. 3.这次展览突出了中国传统文化的魅力。 The exhibition the charm of traditional Chinese culture. 4.幸运的是，我们及时赶到了火车站。 一，we arrived at the railway station on time. 5.她积极的生活态度帮助她度过了难关。 Her positivetowards life helped her get through the difficult time 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。 Wildlife protection is crucial to preventing the_(extinct)of endangered species.-(fortunate), many organizations have been working to save animals like pandas and tigers.A key_(establish) in this field is the World Wildlife Fund,which(devote)itself to protecting habitats.Volunteers often share stories that_(highlight)the importance of collective effort.For example,illegal_ (hunt)has decreased significantly in some areas due to strict laws.The_(cruel)once shown to animals is now replaced by care and respect.Everyone's positive_(attitude)towards nature can make a difference. 参考答案 4 高中外研版 【必修第二册】 Unit 6 Earth first I.根据句意及汉语提示完成单词 6.extinction 7.Fortunately 8.attitude 9.cruelty 10.highlights Ⅱ用所给单词的适当形式填空 1.devotion 2.establishment 3.highlighted 4.cruelty 5.devotion 6.present 7.damage 8.Hunting I.完成句子 1.devoted;to 2.devotion 3.highlighted 4.Fortunately 5.attitude V.语篇填空 1.extinction 2.Fortunately 3.establishment 4.devotes 5.highlight 6.hunting 7.cruelty 8.attitude 5