Unit 1 Science and Scientists一-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第二册（人教版）

高中选修2人教 【寒假专版】 词汇变形及词缀精讲 寒假专版 【Unit 1】Science and Scientists 词汇变形及词缀精讲 全部单元单词 cholera/'kplara/n.霍乱 病菌 嫌疑人；可疑对象 severe/s'vIar)/adj.极为恶劣 subscribe/sab'skrarb/i.认购blame/blem/t.把..归咎于： 的：十分严重的：严厉的 (股份)：定期订购：定期交纳（会责怪；指责n.责备：指责 diarrhoea/,daa'rie/n.腹泻 费) handle/'haendl/n.把手；拉手； dehydration/.di:har'dreifn/n. subscribe to短语同意；赞同 柄t.处理：搬动：操纵（车辆、 水 proof /pru:fn.证据：证明；检动物、工具等) frustrated/fiA'stretid/adj.懊恼验 intervention mta'ven fn/n. 的：沮丧的：失意的 multiple/'mAltipl/adj.数量多入：出面；干涉 once and for all短语最终地；彻的；多种多样的 link/lk/n.联系：纽带t.把.. 底地 pump /pAmp/n.泵；抽水机：打连接起来：相关联 contradictory/,kontra'diktari/气筒 raw的/adj.未煮的：生的；未 adj.相互矛盾的：对立的：不一water pump短语水泵 经处理的：原始的 致的 household/'haushauld/n.一家pure /pjva(r)/adj.干净的；纯的： infection/i'fekn/n.感染；传人；家庭；同住一所（套）房子纯粹的 染 的人 infect/m'fekt/t.使感染；传染suspect/sa'spekt/t.&vi.怀疑； germ/d3m/n.微生物：细菌；疑有：不信任/'sAspekt/n.犯罪 词汇变形及词缀精讲 1.severe/sI'vIa)/ad.极为恶劣的：十分严重的；严厉的 词汇变形 副词形式：severely(严重地；严厉地) 名词形式：severity(严重性：严厉) 构词解析 后缀-e构成形容词；y构成副词：-ity构成名词，表示“性质、状态”。 同类词：pure→purely→purity 例句：The storm caused severe damage to the village, 真题链接（人教版高中选修2同步练习）：He was(severe)injured in the accident and had to stay in hospital for a month.(答案：severely) 高中选修2人教 【寒假专版】 词汇变形及词缀精讲 2.frustrate/fr'sret/t.使懊恼；使沮丧：挫败 词汇变形 形容词形式：frustrated(感到沮丧的，修饰人)：frustrating(令人沮丧的，修饰物) 名词形式：frustration(沮丧；挫败) 构词解析 后缀-ed构成形容词，表“感到的”；-ing表“令人.的”；-tion构成名词。 例句：The difficult math problem frustrated him a lot. 真题链接（人教版高中选修2教材例句)：They felt frustrated when they failed to find the cause of the disease. 3.contradictory/,kontr'diktari/adj..相互矛盾的：对立的：不一致的 词汇变形 动词形式：contradict(反驳：与..矛盾) 名词形式：contradiction(矛盾；不一致) 构词解析 前缀contra-表“反对、相反”；词根dict表“说”；后缀-oy构成形容词；-ion构成名词。 例句：His actions were contradictory to his words,. 真题链接（人教版高中选修2同步练习)：The two statements(contradictory)each other,.sowe need to check the facts again.(答案：contradict) 4.infection/m'fek/n.感染；传染 词汇变形 动词形式：infect(使感染：传染) 形容词形式：infectious(传染性的：有感染力的) 构词解析 前缀in-表“进入”；词根fect表“做”；后缀-ion构成名词；-ious构成形容词。 例句：The infection spread quickly in the crowded area. 真题链接（人教版高中选修2教材例句)：Cholera is an infectious disease caused by bacteria in water. 5.subscribe/sab'skraib/vi.认购：定期订购；定期交纳（会费) 词汇变形 名词形式：subscription(订阅：订阅费) 形容词形式：subscribed(已订阅的) 构词解析 前缀sub-表“下；次要”；词根scrib表“写”；后缀-tion构成名词。 固定搭配：subscribe to（同意：订阅) 例句：I subscribe to several science magazines every year. 真题链接（人教版高中选修2同步练习）：We need to pay the(ubscribe))fee before the end of the month.(答案：subscription) 6.proof /pru:f/n.证据：证明：检验 词汇变形 2 高中选修2人教 【寒假专版】 词汇变形及词缀精讲 动词形式：prove(证明：证实) 形容词形式：proven（已证实的) 构词解析 词根prov表“测试、证明”；后缀f构成名词；-n构成形容词（过去分词作形容词）。 例句：He has no proof to support his claim. 真题链接（人教版高中选修2教材例句)：Snow's work provided proof that cholera was spread by water. 7.multiple/'mAltrpl/adj.数量多的；多种多样的 词汇变形 动词形式：multiply(乘：增加) 名词形式：multiplicity（多样性) 构词解析 前缀muti-表“多”；后缀-ple构成形容词：ly构成动词。 例句：The company offers multiple choices for customers.. 真题链接（人教版高中选修2同步练习）：The population of the city has (multiple)in the past ten years..（答案：multiplied) 8.suspect/sa'spekt/vt.&vi.怀疑：疑有；不信任/'SAspekt/n.犯罪嫌疑人：可疑对象 词汇变形 形容词形式：suspicious(可疑的：怀疑的) 名词形式：suspicion(怀疑；嫌疑) 构词解析 前缀sus-表“在…下面”；词根spect表“看”；后缀-ious构成形容词：-ion构成名词。 例句：The police suspected that he was involved in the crime,. 真题链接（人教版高中选修2同步练习)：Her(suspect)behavior made the manager call the security guard.(答案：suspicious) 9.blame /blerm/t.把.归咎于；责怪：指责n.责备：指责 词汇变形 形容词形式：blameless(无过错的：无可指责的) 构词解析 后缀-lesS表“无..的”（反义后缀)。 固定搭配：blame sb.for sth.(因某事责怪某人) 例句：Don't blame him for the mistake;:it was my fault. 真题链接（人教版高中选修2同步练习)：The (blame)driver was fined for causing the accident. (答案：blameless) l0.inter vention/,mta'venn/n.介入：出面：千涉 词汇变形 动词形式：intervene（介入：干预) 构词解析 高中选修2人教 【寒假专版】 词汇变形及词缀精讲 前缀inter-表“在.之间”：词根ven表“来”；后缀-tion构成名词。 例句：The government's intervention helped solve the conflict. 真题链接（人教版高中选修2教材例句)：Snow's intervention led to the removal of the pump handle. 11.link /Ink/n.联系；纽带t.把.连接起来；相关联 词汇变形 形容词形式：linked(连接的：相关联的) 名词形式：linkage(连接：联系) 构词解析 后缀-ed构成形容词（过去分词作形容词）：-age构成名词。 例句：Scientists have linked smoking to lung cancer,. 真题链接（人教版高中选修2同步练习)：The study shows a strong (link)between air pollution and heart disease.(答案：linkage) 12.pure /pjoa()/adj.干净的：纯的：纯粹的 词汇变形 副词形式：purely(纯粹地；仅仅) 名词形式：purity(纯净：纯度) 构词解析 后缀y构成副词；-ty构成名词，表示“性质、状态”。 例句：The water in the mountain is pure and safe to drink. 真题链接（人教版高中选修2同步练习)：Her success was due(pure)to hard work,not luck, (答案：purely) 综合训练 一、 根据句意及汉语提示完成单词 6.The doctor warned about the (严重性)of the disease if left untreated. 7.Her (诅丧)was obvious when she failed the exam again. 8.There seems to be a (between his public statements and private actions. 9.The (of the teacher helped resolve the conflict between the students 10.Recent studies have found a strong (联系)between sleep quality and mental health 二、用所给单词的适当形式填空 6.The patient's condition(worsen)severely due to delayed treatment.(worsen) 7.Itis (frustrate)to wait for hours without any explanation.(frustrate) 4 高中选修2人教 【寒假专版】 词汇变形及词缀精讲 8.The (infect)rate dropped significantly after the vaccination campaign.(infect) 9.She (subscribe)to the magazine for three years and never missed an issue.(subscribe) 10.The (multiply)of online learning platforms has changed education methods.(multiply) 三、完成句子（每空一词） 5.科学家已经将吸烟与多种疾病联系起来。 Scientists have smoking multiple diseases 6.他的成功纯粹是因为努力工作，而非运气。 His success was to hard work,not luck. 7.政府的干预措施有效控制了疫情的传播。 The government's_ effectively controlled the spread of the epidemic. 8.缺乏证据使得警方难以指控嫌疑人。 The lack of made it difficult for the police to charge the 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。 John Snow,a famous doctor in London,once faced a cholera outbreak.He suspected that the disease was (link)to contaminated water rather than"bad air."To prove his theory,he collected data and found a (connect)between the disease and a water pump.When the pump handle was removed,the number of cases_ (decrease)sharply,providing_ (prove)for his hypothesis. Snow's intervention not only stopped the outbreak but also changed public health practices.Hiswork showed the importance of (science)investigation and (link)environmental factors to disease.Today,his story remains a classic example of how critical thinking can lead to life-saving (intervene) 参考答案 I.根据句意及汉语提示完成单词 6.severity 7.frustration 8.contradiction 9.intervention 10.linkage 工.用所给单词的适当形式填空 6.worsened 7.frustrating 8.infection 9.has subscribed 10.multiplication 5 高中选修2人教 【寒假专版】 词汇变形及词缀精讲 II.完成句子 5.linked;to 6.purely due 7.intervention 8.proof;suspect V.语篇填空 1.linked 2.connection 3.decreased 4.proof 5.scientific 6.linking 7.interventions 6