Unit 9 Learning Lesson 1-2025-2026学年高中英语词汇变形及词缀精讲必修第三册（北师大版）

高中英语北师大版 【核心词汇精讲】 必修3 词汇精讲 【Unit9】Learning Lesson 1 词汇变形及词缀精讲 全部单元单词 reflect'flekt/vi.&t.仔细思的 的 考：表达（意见）：反映 flexible/fleksabl/adj.灵活的，be based on.以…为根据 reflect on思考 可变通的 dinosaur/'daIn3s3:/n.恐龙 argue/'a:qju:/vi.争论，争吵 end up doing最后；最终 exist/Ig'zIst/vi.存在：实际上有 argue with争吵 promote /pr3'mat/t.促进，增data/'dete/n.资料：数据 assume/A'sjum/t.认为；假定，进 ignore1g'n3/t.忽视：置之不 假设 work out弄懂某事物：计算出理 automatic/,3ta'maetik/adj..自in short总而言之；简单地说 impression/m'pre fn/.n.印象； 动的；无意识的 attempt to尝试 感想 inner/广Ine/adj.内部的 at the heart of..在…的中心 outer/aota/adj.外部的，外面unlikely /An'larkli/adj.不大可能 词汇变形及词缀精讲 1.reflect/rI'flekt/vi.&t.仔细思考：表达（意见）；反映 名词形式：reflection(思考；反映；倒影) 构词解析：前缀re-:表“回、重新”；词根flect意为“弯曲”，合起来表示“弯曲回来”，引申为 “反射、思考”。 例句：She sat quietly,.reflecting on her past experiences. 真题链接（北师大版高中必修3同步练习)：After the meeting,we need to (reflect)on what has been discussed and make a plan.(答案：reflect) 2.argue/'a:qju:/vi.争论，争吵 名词形式：argument(争论；论点) 形容词形式：argumentative（爱争论的) 构词解析：后缀-ment:加在动词后构成名词，表“动作或结果”；-ative构成形容词，表“倾向于 …的”。 例句：They had a heated argument about the best way to solve the problem 真题链接（北师大版高中必修3教材例句）：Some people argue that technology has improved our lives,. while others disagree. 1 高中英语北师大版 【核心词汇精讲】 必修3 3.assume/o'sjum/t.认为：假定，假设 名词形式：assumption(假定：设想) 形容词形式：assuming(傲慢的；假定的) 构词解析：前缀s-:表“加强”；词根sume意为“拿、取”，合起来表示“拿过来作为前提”，即 “假定”。 例句：We cannot assume that everyone will agree with our plan. 真题链接（北师大版高中必修3同步练习)：The theory is based on the (assume)that all people are honest,which is not always true.(答案：assumption) 4.automatic/:ta'metk/adj.自动的：无意识的 副词形式：automatically(自动地) 名词形式：automation(自动化) 构词解析：前缀auto-:表“自己”；词根mat意为“动”，后缀-ic构成形容词，合起来表示“自己 动的”，即“自动的”。 例句：The door opens automatically when someone approaches. 真题链接（北师大版高中必修3教材例句)：Many household appliances are now automatic,making daily tasks easier. 5.flexible/'fleksabl/adj.灵活的，可变通的 动词形式：flex(弯曲：伸展) 名词形式：flexibility(灵活性) 构词解析：词根flx意为“弯曲”，后缀ible:表“可…的”，合起来表示“可弯曲的”，引申为 “灵活的”。 例句：A good leader should be flexible and open to new ideas, 真题链接（北师大版高中必修3同步练习）：The schedule is (flexibility),so we can change it if necessary.(答案：flexible) 6.promote /pr3:'maot/t.促进，增进 名词形式：promotion(促进；晋升) 形容词形式：promotive（促进的) 构词解析：前缀pro-:表“向前”；词根mot意为“移动”，合起来表示“向前推动”，即“促进”。 例句：Regular exercise can promote physical and mental health 真题链接（北师大版高中必修3教材例句）：The government has taken measures to promote economic growth in rural areas. 7.gore1g'n:/t.忽视：置之不理 名词形式：ignorance(无知：忽视) 形容词形式：ig1 orant(无知的：忽视的) 构词解析：前缀ig:表“不、无”(=in-,因词根首字母为n,故变体为ig-):词根nor意为“知道”， 合起来表示“不知道”，引申为“忽视”。 例句：It is dangerous to ignore the warning signs of climate change 真题链接（北师大版高中必修3同步练习）：His(ignore)of the safety rules led to the accident,. 2 高中英语北师大版 【核心词汇精讲】 必修3 (答案：ignorance) 8.impression/m'prefn/.n.印象；感想 动词形式：impress(给…留下深刻印象) 形容词形式：impressive(令人印象深刻的) 构词解析：前缀im-:表“进入、使”；词根press意为“压”，后缀-ion构成名词，合起来表示“压 进去的效果”，即“印象”。 例句：Her kindness left a deep impression on everyone she met. 真题链接（北师大版高中必修3同步练习）：The movie's special effects were very一(impress), attracting millions of viewers.(答案：impressive) 9.exist/Ig'zIst/vi.存在实际上有 名词形式：existence(存在) 形容词形式：existent(存在的) 构词解析：前缀x-:表“出”；词根sist意为“站立”，合起来表示“站出来”，即“存在”。 例句：Many species exist only in remote parts of the world. 真题链接（北师大版高中必修3教材例句）：Scientists have long debated whether life exists on other planets. 10.data/deta/n.资料；数据 单数形式：daum（数据，单数，较少用) 动词形式：date(日期：追溯) 构词解析：词根dat意为“给予”，后缀-a表复数（拉丁语复数形式），原指“被给予的信息”，即 “数据”。 The research is based on data collected from over 1,000 participants. 真题链接（北师大版高中必修3同步练习）：We need to analyze the__(data)carefully before drawing a conclusion.(答案：data) l1.unlikely/n'laikli/adj.不大可能的 反义词：likely(可能的) 副词形式：unlikely(不太可能地) 构词解析：前缀un-:表“否定”；likely本身是形容词，意为“可能的”，合起来表示“不可能的”。 例句：It is unlikely that we will finish the project ahead of schedule, 真题链接（北师大版高中必修3同步练习）：一Will it rain tomorrow? (likely),because the sky is clear.(答案：Unlikely) 12.dinosaur/'dan3s/n.恐龙 形容词形式：dinosaurian(恐龙的：过时的) 构词解析：希腊语词根deino-意为“可怕的”，saur意为“蜥蜴”，合起来表示“可怕的蜥蜴”，即 “恐龙”。 例句：Dinosaurs lived on Earth millions of years ago but became extinct.. 真题链接（北师大版高中必修3教材例句）：The museum has a collection of dinosaur fossils that attract 3 高中英语北师大版 【核心词汇精讲】 必修3 many visitors. 综合训练 一、 根据句意及汉语提示完成单词 6.The government has taken measures to (促进)economic growth in rural areas.. 7.It is dangerous to (忽视)the warning signs of climate change. 8.Her kindness left a deep (印象)on everyone she met. 9.Many species (存在)only in remote parts of the world. 10.Dinosaurs lived on Earth millions of years ago but became (灭绝的). 二、用所给单词的适当形式填空 6.After the meeting,we need to (reflect)on what has been discussed and make a plan. 7.The theory is based on the (assume)that all people are honest,which is not always true 8.The schedule is (flexibility),so we can change it if necessary 9.His (ignore)of the safety rules led to the accident. 10.The movie's special effects were very(impress),attracting millions of viewers. 11.We need to analyze the(data)carefully before drawing a conclusion. 12.-Will it rain tomorrow?-(likely),because the sky is clear. 三、完成句子（每空一词） 1.她静静地坐着，思考过去的经历。 She sat quietly, her past experiences. 2.他们就解决问题的最佳方法进行了激烈的争论。 They had a heated about the best way to solve the problem. 3.我们不能假定每个人都会同意我们的计划。 We cannot that everyone will agree with our plan 4.当有人靠近时，门会自动打开。 The door opens_ when someone approaches. 4 高中英语北师大版 【核心词汇精讲】 必修3 5.规律锻炼能促进身心健康。 Regular exercise can physical and mental health. 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。 Scientists often (reflect)on the mysteries of the natural world.One question they debate is whether life exists on other planets.To study this,they collect and analyze(data)from space probes.Some argue that it's(likely)to find complex life forms soon,while others hold different (assume) Many household appliances are now(automatic),but early machines were not.The develop- ment of (automation)has made daily tasks easier.For example,a (flexible)schedule allows people to balance work and life better.However,we should not(ignore)the importance of human interaction,even in a tech-driven world. A visit to the museum can leave a lasting(impression).Exhibits like dinosaur fossils show how species adapt or disappear over time.Learning about the past can (promote)a deeper understanding of our planet's history. 参考答案 I.根据句意及汉语提示完成单词 6.promote 7.ignore 8.impression 9.exist 10.extinct Ⅱ.用所给单词的适当形式填空 6.reflect 7.assumption 8.flexible 9.ignorance 10.impressive 11.data 12.Unlikely IL.完成句子 1.reflecting on 2.argument 3.assume 4.automatically 5.promote V.语篇填空 1.reflect 2.data 3.unlikely 4.assumptions 5.automatic 6.automation 7.flexible 8.ignore 9.impression 10.promote J