Unit 1 Science and Scientists Build up your vocabulary 教学设计-2025-2026学年高中英语人教版选择性必修第二册

该高中英语教学设计聚焦选择性必修Book2 Unit1“Science And Scientists”的词汇构建，通过学习前缀后缀构词法扩展词汇。以超长单词Pneumonoultramicroscopicsilicovolcanoconiosis拆解热身，复习词缀功能后引导学生从课文提取例词，总结词缀意义与词性变化，搭建从具体到抽象的词汇学习支架。 特色在于融合思维品质与学习能力培养，拆解长词锻炼分析归纳能力，词缀表格活动提升自主探究水平，语境练习强化语言运用能力。为教师提供系统的词汇教学流程，助力学生掌握构词规律，增强词汇扩展与自主学习意识。

Teaching and Learning Design 选择性必修Book2 Unit1 Science And Scientists 教学设计 Period 3 Teaching and learning contents: Learning About Language—Building up your vocabulary Comprehensive teaching and learning objectives: By the end of this period, the students will have been able to: 1) Learn about some prefixes and suffixes to expand the students’ word formation knowledge to enlarge their vocabulary; 2) Complete the vocabulary exercises in the textbook to understand the key vocabulary and phrases in the text and learn how to use them correctly in context; 3) Complete the vocabulary exercises in the workbook to consolidate the words and phrases learned in this unit. Teaching and learning important points: 1. Learn about some prefixes and suffixes; 2. Using the words and expressions correctly and consolidating the usage of some new words and phrases to build up vocabulary. Teaching and learning difficult points: 1. Learn about some prefixes and suffixes; 2. Using the words and expressions correctly and consolidating the usage of some new words and phrases to build up vocabulary. Teaching and learning procedure: Step 1 Review and leading in Activity 1 Review and leading in 1. Review some of the language items learned in the previous period briefly. 2. Introduce the learning objectives of this period. Step 2 Learning About Language—Building up your vocabulary Activity 2 Learning about some prefixes and suffixes 1. Warm up. Guess the meaning of this word—Pneumonoultramicroscopicsilicovolcanoconiosis. Pneumono + ultra + microscopicsilicovolcanoconiosis pneumono- (of lung 肺的)，ultra- (to an extreme degree 非常)，micro- (small 微小的)， scopic- (of viewing or observing 观察或注意的)，silico- (of silicon 硅的)，volcano- (mountain that releases lava and ash 火山的)，coni-(of dust尘土的)，-osis (state of a disease 疾病) pneumoconiosis [nju:məkənɪ'əʊsɪs] n. 肺尘病肺尘病? 2. Review the functions of prefixes and suffixes in word formation (derivation). 3. Learning about some prefixes and suffixes Find the words from the previous pages with the following prefixes or suffixes. Then add more words for each prefix or suffix, and then try to summarize and explain their meanings, and find out what has been changed. Affix/Change Words Meaning Prefix (to change the meaning) re- remove, replace, reuse + reunite, revise, recover, react, recall again dis- discover, disappear, disable+ dislike, disadvantage, discount not micro- microscope, microwave, microphone + microbial, Microsoft small trans- transform, transport, transplant + transnational, transboundary transgene, transgender complete change; through, across Suffix (to change the part of speech) -ory contradictory, advisory, compulsory of or relating to -ion infection, relation, reaction + reflection, contribution, extinction, congratulation, collection, expansion, decision action or process -ial substantial, essential, partial + financial, official, commercial, facial, influential, potential having the characteristics of -ology epidemiology, biology, physiology + sociology, ecology, psychology a branch of knowledge Activity 3 Vocabulary exercises in the textbook 1. Make phrases by combining the words in the left box with those on the right. Then complete the sentences using these phrases. Answers: subscribe to, blame for, suspected of, linked to 2. Replace the underlined parts with suitable words from the box. Answers: well known—a household name, deal with—handle, not cooked yet—raw, great—substantial, data—statistics 3. Read this passage about medical science. Complete it using the words below. Check the answers, learn about the new words and then read the passage to reconstruct the text. Answers: blame, infection, multiple, transform, decrease, substantial, proof, severe Learn about the new words: 1) thinking n.思想；思维；见解 （思考行为或思考的能力） thought n. 思想；想法；关心；思索 (思考的结果或产物) critical thinking 批判性思维 a great thought 一个很棒的想法 2) protein n. 蛋白质 3) cell n.细胞；小房间；单间牢房 4) virus n.病毒 the flu virus 流感病毒 a virus infection 病毒感染a computer virus 电脑病毒。 Step 3 Using Words and Expressions in the Workbook Activity 4 Using Words and Expressions Check the answers to the exercises and give some explanations if necessary. Suggested answers: Exercise 1: 1. gifted 2. handle 3. solid 4. cast 5. assistant 6. blame 7. decrease 8. missile 9. pure 10. transform Exercise 3; gifted, initial, proved, subscribe, linked, astronomers, outstanding, shift Step 4 Evaluation and summary Activity 5 Self-evaluation Guide the students to reflect on their learning of this period by considering the following aspects. 1. How is your mastery of the words and expressions? (Good/Fairly good/Moderate/Just so so/Poor) 2. How is your learning performance? (Good/Fairly good/Moderate/Just so so/Poor) 3. What will you do to consolidate the words and expressions learned in this unit after class? Activity 6 Summary (The teacher) Emphasize the usage of some words and phrases of this period briefly. Homework: 1. Consolidate the words and expressions learned in this unit. 2. Complete the exercises in the reference book. 3. Preview the grammar item by reading the explanations in appendix and in the reference book. 学科网（北京）股份有限公司 $