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

Unit 1 Science and Scientists Words and Expressions 1. cholera ['kɒlərə]: 霍乱 /U/ have/deveplop/get cholera: 感染霍乱 2. severe [sɪ'vɪə(r)]: adj.极为恶劣的;十分严重的; 严厉的 severely adv.严重地; 严厉地; 严格地 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. 比较级 more severe 最高级 most severe 3. diarrhoea[ˌdaɪə'rɪə] n.腹泻 1)我腹泻/拉肚子。 I have diarrhoea. (the runs: 腹泻) have/get diarrhoea/the runs: 腹泻; 拉肚子 4. dehydration [ˌdiːhaɪ'dreɪʃn]: n. 脱水 dehydrate vt. 使脱水，使干燥; vi.（人体的）脱水，失水 死于严重脱水 die from severe dehydration 5. frustrated[frʌ'streɪtɪd]:adj. 懊恼的; 沮丧的; 失意的 frustrate vt. 挫败，阻挠，使感到灰心 frustrating adj. 令人沮丧的 frustration n.懊恼，沮丧 ，令人懊恼的事物 ①in frustration 懊恼地，沮丧地 同义词：discouraged/depressed/disappointed 用frustrate及其正确形式填空 What _________ me most was the_________ results of our team’s narrow defeat in the final, after which the players looked very _________ and the fans left the stadium in ___________ . frustrated frustrating frustrated frustration 6. once and for all 最终地; 彻底地 同义词：completely/entirely/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. 7. contradictory [ˌkɒntrə'dɪktəri]:adj. 相互矛盾的; 对立的; 不一致的 ①be contradictory to… 与……矛盾/相反 contradict v. 反驳; 与…相矛盾 What he said was contradictory to the truth. self-contradictory adj.自相矛盾的 比较级 more contradictory 最高级 most contradictory 8. infection[ɪn'fekʃn]:n. 感染;传染 infect [ɪn'fekt]:vt. 使感染;传染 ①infect sb. with sth. 使某人感染上.../把...传染给某人 infected adj.被感染的； ②sb. be infected with sth. 某人感染/传染上…… infectious adj.有传染性的；有感染力的 【练透】　选词填空(infect/infection)P10 ①It was her cheerful spirits and laughter that ________the whole class yesterday. ②Surgeons wear masks to prevent the spread of __________． 3)When a person has an _________(infec