Unit 4 Humour Lesson1-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第二册（北师大版）

高中选修2北师大版 【寒假专版】 词汇变形及词缀精讲 寒假专版 【Unit4】Humour Lesson1 词汇变形及词缀精讲 全部单元单词 saucer/'ssa/n.杯托 地，潜在地 scream/skri:m/vi.尖声大叫：n. doorway/dbwe/n.门口，出入Saturn/'set3n/n.土星 尖叫声 口 Leo/'Ii:a/n.狮子座 consultation konsal'terfn/n. antique/,en'ti:k/n.古董；adj. scientific/,saran'trfik/adj..科学诊：咨询 古时制造的 (上)的 crisis/'krarsIs/n.危难时刻：危 casually/'ke3jali/adv.漫不经measurement/'me3 emant/n.测机 心地：非正式地 量，计量，衡量 examine/g'zaemm/t.检查 innocently/'nasntli/adv.装作atmosphere/aetmasfI/n.大气announce/a'nans/t.宣布，宣 若无其事地；无辜地 (层)：气氛，氛围，环境 告 appetite/aepstart/n.胃口，食欲forecast/fka:st/t.预测，预afterwards/'a:ftawadz/adv.随 faithful/'fefl/adj.忠诚的 报 后，后来 deduce/dr'dju:s/vt.推论，推断middle-aged ad.中年的 circus/s3k3s/n.马戏团 astronomy/A'stronami/n.天文surgery/s3:d39ri/n.诊所；外科clown/klan/n.小丑 学 手术 deserve /dr'z3v/t.应得，应受 galaxy/'gaelaksi/n.星系 bleed /bli:d/i.流血，出血 到 potentially /pa'tenfali/adv.可能sneeze/ni:z/vi.&n.打喷嚏 词汇变形及词缀精讲 1.scientific/,saan'tfik/adj.科学（上）的 词汇变形 名词形式：science(科学) 副词形式：scientifically(科学地) 构词解析 前缀sci-(=know,知道)+后缀-ent(构成形容词)+后缀-ific(表“产生…的”)：副词加后缀 -ally. 同类词：electric(电的)→electricity(电)、specific(特定的)→specification(规格) 例句：We need to use scientific methods to solve this problem. 真题链接（北师大版高中选修2同步练习）：The(science)research has made a great breakthrough in medicine.(答案：scientific) 1 高中选修2北师大版 【寒假专版】 词汇变形及词缀精讲 2.neasurement/.'me3 emant/n.测量，计量，衡量 词汇变形 动词形式：measure(测量；衡量) 构词解析 动词measure+后缀-ment(构成名词，表“行为、结果”)。 同类词：develop(发展)→development(发展)、move(移动)→movement(运动) 例句：The measurement of the room is5 meters by4 meters. 真题链接（北师大版高中选修2教材例句）：Accurate measurement is very important in scientific experiments. 3.atmosphere/'etmasfi/n.大气（层）：气氛，氛围，环境 词汇变形 形容词形式：atmospheric(大气的：有气氛的) 构词解析 前缀atmo-(大气)+词根sphere(球)；形容词加后缀-ic。 例句：The atmosphere at the par'ty was very friendly and warm. 真题链接（北师大版高中选修2同步练习）：The__(atmosphere)pressure decreases as altitude increases.(答案：atmospheric) 4.forecast/'fka:st/t.预测，预报 词汇变形 名词形式：forecast(预报；预测) 过去式/过去分词：forecast/forecasted 构词解析 前缀fore-(预先)+cast(投掷)，字面义“预先投掷（信息）”，即“预测”。 例句：The weather forecast says it will rain tomorrow. 真题链接（北师大版高中选修2教材例句)：Experts forecast that the economy will grow by3%next year. 5.consultation/kDnsal'tern/n.就诊；咨询 词汇变形 动词形式：consult(咨询：查阅) 构词解析 前缀con-(共同)+词根slt(召集)+后缀-ation(构成名词，表“动作、过程”)。 You should have a consultation with your doctor before taking the medicine. 真题链接（北师大版高中选修2同步练习)：She (consultation)a lawyer about her legal problem. (答案：consulted) 6.crisis/krasis/n.危难时刻；危机 词汇变形 复数形式：crises/'krasi:z/ 构词解析 2 高中选修2北师大版 【寒假专版】 词汇变形及词缀精讲 源自希腊语krisis(判断、决定)，复数形式遵循希腊语变格规则(-is→-es)。 例句：The company is facing a financial crisis. 真题链接（北师大版高中选修2同步练习）：The government took action to deal with the environmental (crisis)).(答案：crises) 7.examine/1g'zaemin/vt.检查 词汇变形 名词形式：examination(检查：考试)，缩写形式：exam 构词解析 前缀ex-(出)+词根amine(检查)，字面义“查出来”。 例句：The doctor will examine your eyes carefully. 真题链接（北师大版高中选修2教材例句)：Students need to pass the final examination to graduate. 8.announce/A'nams/t.宣布，宣告 词汇变形 名词形式：announcement(公告；宣布) 形容词形式：announced(宣布的) 构词解析 前缀an-(加强)+词根nounce(说)+后缀-ment(构成名词)。 例句：The president will announce the new policy tomorrow. 真题链接（北师大版高中选修2同步练习）：The_(announce)of the meeting time was posted on the wal.（答案：announcement) 9.deserve/d'z3v/vt.应得，应受到 词汇变形 形容词形式：deserving(值得的) 构词解析 前缀de-(完全)+词根serve(服务；价值)，字面义“完全体现价值”，即“应得”。 例句：She deserves a prize for her hard work. 真题链接（北师大版高中选修2同步练习)：He is a__(deserve)winner of the competition.(答 案：deserving) l0.antique/,en'tik/n.古董：adj.古时制造的 词汇变形 名词复数：antiques 构词解析 前缀anti-(前)+词根que(=old,的)，表“古代的”。 例句：My grandfather collects antiques from the Ming Dynasty. 真题链接（北师大版高中选修2教材例句）：The antique vase on the shelf is worth a lot of money.. l1.faithful/'ferofl/adj.忠诚的 词汇变形 3 高中选修2北师大版 【寒假专版】 词汇变形及词缀精讲 名词形式：faith(信仰：忠诚) 副词形式：faithfully(忠诚地) 构词解析 名词faith+后缀-ful(表“充满…的”)：副词加后缀y。 例句：The dog has been faithful to its owner for many years. 真题链接（北师大版高中选修2同步练习）：He served the company」 (faithful）for30 years.(答 案：faithfully) l2.potentially /pa'tenfali/adv.可能地，潜在地 词汇变形 形容词形式：potential(潜在的；可能的) 名词形式：potential(潜力) 构词解析 前缀pot(能力)+后缀-tial(构成形容词)+后缀-ly(构成副词)。 例句：This new technology has potentially changed our way of life, 真题链接（北师大版高中选修2同步练习）：She has great__(potential)to become a successful scientist.(答案：potential) 综合训练 一、 根据句意及汉语提示完成单词 6.The new policy will have a great impact on the country's (经济) 7.The team made a careful (of the mountain before climbing. 8.The(in the classroom became tense when the teacher announced the exam results. 9.We need to solve this problem with (科学的)methods 10.The doctor suggested a thorough (检查)to find the cause of the illness. 二、用所给单词的适当形式填空 6.The weather(forecast)says there will be a storm tomorrow. 7.She (consult)her advisor before making the final decision. 8.The government is taking action to deal with the environmental. (crisis). 9.The _(announce)of the new CEO will be made next week. 10.He has great _(potential)to become a top athlete 4 高中选修2北师大版 【寒假专版】 词汇变形及词缀精讲 三、完成句子（每空一词) 5.科学家们正在用科学方法研究这个问题。 Scientists are studying the problem 6.医生仔细检查了病人的眼睛。 The doctor the patient's eyes 7.我们应该咨询专业人士的意见。 We should _a professional for 8.他的努力值得一个奖项。 His efforts 四、语篇填空 Climate change is a global challenge that requires (science)research and international cooper- ation.Accurate(measure)of temperature and CO2 levels is essential for understanding its ef- fects.Experts (forecast)that without action,we may face serious environmental (crisis) in the future.Governments and organizations have held many (consult)to discuss solutions. For example,reducing carbon emissions and protecting the_ _(atmosphere)are key steps.Ev- eryone can contribute by making small changes in daily life,which (potential)makes a big difference. 参考答案 I.根据句意及汉语提示完成单词 6.economy 7.measurement 8.atmosphere 9.scientific 10.examination Ⅱ.用所给单词的适当形式填空 6.forecast 7.consulted 8.crises 9.announcement 10.potential IL.完成句子 5.using scientific methods 6.examined;carefully 7.consult;advice 8.deserve a prize V.语篇填空 1.scientific 2.measurement 3.forecast 4.crises 5.consultations 6.atmosphere 7 potentially