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

Science and Scientists Words and Expressions 1 severe adj. 极为恶劣的; 十分严重的; 严厉的 be severe on 对…严厉 =be hard on = be strict with severely adv.严重地；严格地，严厉地 severeness n. 严重，艰难，淳朴； severity n.严重，猛烈 We didn’t realize the severity of her illness. 2 1)重病/剧痛 severe disease/pain 2)恶劣的天气/严冬 severe weather/winter 3)面临严峻挑战 face severe challenges 4)任何人违反法律都将被严惩。(主语从句) Whoever breaks the law will be severely punished. frustrated adj. 懊恼的；沮丧的；失意的 frustrate vt.挫败，阻挠 frustrating adj. 令人沮丧的 frustration n. 沮丧，懊恼 with frustration 沮丧地 He became frustrated because no one knew how to prevent or treat cholera. 同义词：discouraged/depressed/disappointed 4 Disappointed and frustrated, the poor man made his way back to his family. The __________ result really __________ me and I was so __________ that nothing could relieve my __________. I felt like crying ______frustration. frustrating frustrated frustrated with frustration once and for all ① 最终地 finally ultimately eventually ② 彻底地 completely entirely absolutely totally thoroughly 1)我们得彻底解决这个难题。 We have to tackle the difficult problem once and for all. 6 contradictory adj. 相互矛盾的; 对立的 = opposite = inconsistent 常见搭配：be contradictory to 与...矛盾/对立 contradiction n. 驳斥 contradict v. 相抵触 =conflict in contradiction to 与……相矛盾 contradict each other 互相矛盾 In general, doctors in those days had two contradictory theories to explain how cholera spread. 7 infection n. 感染；传染 have/get an ~ infect vt.使感染，传染 infectious adj. 传染性的,有感染力的 infectious smile infective/infectious disease infected adj.被感染的，感染病菌的 8 infection n. 感染；传染 infect vt.使感染，传染 ①infect sb. with sth. 使某人感染上.../把...传染给某人 infectious adj. 传染性的,有感染力的 infected adj.被感染的，感染病菌的 ②sb. be infected with sth. 某人感染/传染上…… Go away, I don't want to infect you with my cold. The official says that fe