Unit 1 Science and Scientists Words and Expressions 2 词汇课件 -2025-2026学年高中英语人教版选择性必修第二册

该高中英语Unit 1 Science and Scientists复习课件系统梳理了核心词汇与短语，如cast、pour、break out、defend、assistant、in charge of等，通过语境化例句和结构化练习构建语言知识网络，将动词用法、搭配逻辑与文化背景有机融合，体现从单个词到语块再到语篇的递进关系。 其亮点在于紧扣新课标核心素养，以语言能力为基础，融合文化意识与思维品质开展分层教学。例如设计“情境翻译+错误辨析”活动，引导学生对比fault与error的语义差异，提升批判性思维；设置“角色扮演”任务，让学生模拟科学家访谈，强化跨文化表达能力。同时提供即学即练题组和语法填空训练，满足不同层次学生需求，助力知识内化，也为教师精准诊断学情、优化教学策略提供有力支持。

Unit 1 Science and Scientists Words and Expressions 2 1 1. cast vt.(cast, cast) 投射；向……投以(视线、笑容等)；投掷　 cast a look/glance/smile 瞧；瞥；笑 She cast a welcoming smile in his direction. 她向他微笑以示欢迎。 cast a light/shallow 投射（光、影子等） The setting sun cast an orange glow over the mountains. 橘红色的夕阳辉映着群山。 扔；掷；抛 The priceless treasures had been cast into the Nile. 价值连城的珍宝被扔进了尼罗河。 cast sb. as... 选某人扮演…… He has cast her as an ambitious lawyer in his latest movie. 他选定她在他最近的一部影片里扮演一名雄心勃勃的律师。 be cast down by... 因…而沮丧 2 2. pour vt.倒出；倾泄；斟（饮料） pour sth. into... 把某物倒进… Pour the honey into the bowl and mix it thoroughly with the other ingredients. 把蜂蜜倒进碗里，让它和其他原料充分混合。 pour sth. for sb.＝pour sb. sth. 给某人倒某物 Will you pour a cup of tea for me? 你能帮我倒杯茶吗？ 4 It's pouring outside. 外面下着瓢泼大雨 pour down (雨)倾盆而下 The rain continued to pour down. 大雨哗哗地下个不停。 pour into 涌进…… Thousands of people poured into the stadium to watch the football match. 数千人涌进体育场观看这场足球比赛。 2. pour vi. （雨）倾盆而下；下大雨 5 3. break out(战争、打斗等不愉快的事情)突然开始；爆发 break down break into break in break through break up break away from 出故障；垮掉 强行进入；打断 突破；冲破 破碎；解散；分手 逃脱；脱离 强行闯入 6 4. defend vt.保卫；防守；辩解 defend...from/against (doing) sth... 保护……免受…… We must defend our motherland from the enemy. 我们必须保卫祖国防御进犯之敌。 Politicians are skilled at defending themselves against their critics. 从政者都善于为自己辩解，反驳别人的批评。 defence n. [U]保卫；[C]辩解；辩护 in defence of... 为了保卫…… We should respect the soldiers who died in defence of their country 我们应该尊重为保卫祖国而献身的战士 in sb.'s defence 为某人辩护 I have to say in her defence that she knew nothing about it beforehand. 我得为她说句话，她事先并不知道此事。 8 5. assistant n. 助理，助手 assist v. 帮助，援助，协助 assist sb. to do sth. 帮助某人做某事 =assist sb. with sth. He will assist you to complete the task. 他会辅助你去完成这项任务。 = He will assist you with the task. assist sb. in doing sth. 帮助某人做某事 The public is urgently requested to assist police in tracing this man. 公众被紧急要求协助警方追踪这名男子。 assistance n. 帮助，援助 10 单句语法填空 ①We will assist you _______ finding somewhere to live. ②Two men are assisting the police _______ their enquiries. With your generous __________ (assist), I managed to improve my English. in with assistance 11 6. in charge of 主管;掌管 【词汇拓展】 (1)be in sb.'s charge ＝ in the charge of sb 由……主管 take charge of 掌管/负责…… (2)free of charge=for free 免费 (3)charge sb for sth 为某物向某人收取费用 charge sb with (doing) sth 控告某人(做)某事 12 ❶Mr. Green is in charge of the column of the newspaper. 格林先生负责这家报纸的专栏。 ❷The column of the newspaper is in the charge of Mr. Green. 报纸的专栏由格林先生负责。 ❸The department was badly organized until she took charge of it. 这个部门在她负责以前组织工作做得很差。 ❹Going to public concerts is often free of charge. 欣赏公开的音乐会通常都是免费的。 ❺The theme park which appeals to kids charges too much for admission. 那个吸引孩子们的主题公园门票太贵了。 ❻They charged him with murder.他们指控他谋杀。 用charge的短语完成句子 ①公司管理很差，直到她掌管为止。 The company was badly organized until she _________________. ②演员们都愿意免费出演。 The performers have all offered their services __________________. ③当老板不在的时候由汤姆负责公司业务。 The company _____________________ when the boss is away. ＝Tom is ________________________ when the boss is away.   took charge of it free of charge　 is in the charge of Tom　 in charge of the company 14 7. gifted adj. 有天赋的，有天才的，天资聪慧的 be gifted in 在…方面有天赋/才华 =be talented in在…方面有天赋 Her father has always been gifted in gardening. 她父亲在园艺方面一直都很有才华。 gift n. 天赋，天才，才能 have a gift/talent for… 有…天赋 Most of the best lawyers and salespeople really have a gift for persuasion. 大多数出色的律师和推销员都有劝说他人的天分。 16 8. fault n.[U]责任；过失；过错 [C] 缺点；缺陷； find fault (with) 找茬儿；抱怨；挑剔： faultless adj 无错误的；完美无缺的 (perfect) faulty adj 有错误的；有缺陷的 17 [即学即练]　单句语法填空/完成句子 ①The moon ________ (cast) bright light over the garden when I saw through the window. ②Anyone would ________ (cast) down by such news as that. ③Sylvia's been cast ________ ever since her mother became so ill. cast　 be cast down　 up [即学即练]　单句语法填空/完成句子 ①The fire broke ________ during the day, and therefore almost no one was injured. ②His car broke ________ on the way this afternoon when he headed to the hospital. ③The union was made up of several countries at first, which broke ________ from it later because of conflicts. ④We don't know the reason why they have broken ________ with each other. out　 down　 away　 词语辨析：defend, protect defend指“保卫”“防御”，指抵御或击退外来的攻击。此外，还有“辩护”之意。 protect语义范围广，指“保护”，以免遭受危险、伤害等。 for　 with　 in charge of [即学即练]　单句语法填空/完成句子 ①Could I speak to whoever is ___ charge of International Sales, please? ②The kitchen is in ________ charge of the cook. ③You can take as many as you like, because they are free ________ charge. ④The boss charged us five hundred yuan ________ the electrical appliance. ⑤He was charged ________ murder and sentenced to death. ⑥Mr. Wang will be ____________ (负责) the office while I am away. in　 the of　 词语辨析：fault, error与mistake 易混词 辨析 例句 fault 多指性格、心智状态、情绪、行为或习惯中的“缺点” I like him despite his faults.尽管他有缺点，我仍然喜欢他。 error 可指任何错误，也可指笔误，印刷上或计算上的错误 This book contains a lot of printer's errors.这本书有很多印刷错误。 mistake 指判断或理解方面的错误，或是由于缺乏思考或疏忽而造成的错误 I used your ink by mistake.我用错了你的墨水。 $