Unit 3 Words and expressions 学案-2022-2023学年高中英语人教版（2019）选择性必修第二册

Unit1 words and expressions 编制人： 审核人： 领导签字： 词形变化 1. severe adj. 极为恶劣的，严重的，严厉的 severely adv. 恶劣地，严重地，严厉地 2.frustrate v．使懊恼；使沮丧 frustrated adj.懊恼的；沮丧的；失意的 frustrating adj.令人沮丧的 frustration n．懊丧；懊恼 3.contradictory adj.相互矛盾的，对立的 contradict v. 否认，反驳，同...矛盾 4. infect v．使感染；传染 infection n．感染；传染 infectious adj.传染性的 infected adj.感染的 5.subscribe定期订购；定期交纳(会费) subscription n．订阅费，会员费 6．proof n．证据；证明；检验 prove v．证明；证实 7.multiple adj. 数量多的，多种多样的 multimedia 多媒体 multifunctional 多功能的 8. intervene v．干涉 intervention n. 介入，出面，干涉 9．pure adj.干净的；纯的；纯粹的 纯粹 purely adv.完全；仅仅； 10.transform vt.使改观；使改变形态 vi.改变；转变 transformation n．转化；转换；改造；变换 transformer n．变压器 11.thinking n.思想，思维，见解 think v. 想，认为 thought n.想法，看法，主意 thoughtful adj.沉思的，深思的，细心的，体贴的 12．finding n．发现；调查结果；(法律)判决 find vt.找到 found (1)find 的过去式，过去分词 （2）建立 13.initial adj.最初的，开始的 initially adv.最初，首先 14.mechanical adj. 机械的，发动机的，机器的 mechanic n.机械师，机器修理工 15．defend vt.保卫；防守；辩解 defence/defense n．防卫 defensive adj.自卫的；防御用的 16．assistant n．助理；助手 assist vt.援助assistance n．帮助，援助 17．leadership n．领导；领导地位；领导才能 leader n．领导者 lead/led/led v．带领；领路；领导 leading adj.一流的；领先的 18．gifted adj.有天赋的；有天才的；天资聪慧的gift n．礼物；天赋 19．steady adj.稳定的；平稳的；稳步的 steadily adv.稳定地 20.astronomer n. 天文学家 astronomy n. 天文学 astronaut n.宇航员 21.vivid adj.生动的；鲜明的；丰富的 vividly adv.清晰地；生动地；强烈地 Word chunks 1. If you do this frustrating job, it is easy to get frustrated. She couldn’t stand the frustration of not being able to help. 2. thanks to due to owing to as a result/consequence of because of on account of 3. break out break up break down break in break into break away from 4. defend... against in defence of The law allows people to defend themselves against a charge. The police said they fired at Clark in defence of their own lives. 5. in charge of in the charge of take charge of free of charge charge some money for charge sb. with charger(充电器) 6.furthermore besides in addition additionally moreover what’