Unit 1 Science and Scientists Words and expressions 课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

Book 2 Unit 1 Science and scientists 单词导学案答案 1 自主学习 2 二、词性转换：请按要求写出下列单词的其他形式。 1. __________ adj. 极为恶劣的；十分严重的；严厉的 →__________ adv. 严厉地；严重地　 2．__________ v. 使沮丧 →_________________ adj. 懊恼的；沮丧的；失意的 3.__________ vt. 感染；传染 →__________ n. 感染；传染→__________ adj. 感染的；传染性的　4.__________ vi. 认购(股份)；定期订购 →____________ n. 同意；订购　→_____________ n. 订户；捐献者5.__________ adj. 最初的；开始的；第一的 →__________adv. 最初地；开始　 6.__________________vt. 使改观；使改变形态 vi. 改变；转变. →________________　n. 转型；转变；改变 severe severely frustrate frustrated infection infect subscribe infectious subscription subscriber initial initially transform transformation 7.__________ v.保卫；防守；辩解 →__________　n.防御；保护；防卫　　 8.__________ n.助理；助手→__________v. 协助，帮助 →_____________ n.帮助；援助；支持 9._______ v.领导；引领；导致 n.首位 →__________ n.领导 →_______________ n.领导地位，领导才能 10.________ adj.有天赋的 →_________ n.礼物；天赋 11. steady adj. 稳定的；平稳地 →_________ adv. 稳定地；坚定地；12.astronomer n.天文学家 →_____________ n.天文学 →__________ n.宇航员 13.___________ n.结论 →____________ v.结论，总结 14._________ n.利益 v.获益 →__________ adj.有利的，有用的 15.________ adj.生动的；鲜明的；丰富的 →________ adv.生动地 　 defend defence assistant assist assistance lead leader leadership gifted gift steadily astronomy astronaut conclusion conclude benefit beneficial vivid vividly 4 二、 单句语法填空 1. The dam was built to _______ the road ______ being washed away by the sea. (defend) 2. The man in _______ ___ the activity said that the tickets were free of _______. (charge) 3. A large number of people were __________(severe) injured in the accident. 4. In recent years his ideas have undergone a complete ___________________ (transform). defend from charge of charge severely transformation 5 5. Before the 1830s, most newspapers were sold through annual _________________(subscribe) in America, usually from $8 to $10 a year. 6. He is ______________(frustrate) that his work has not gone very well recently. 7. The disease seems _________