Unit 1 Words and Expressions 课件-2022-2023学年高中英语人教版（2019）选择性必修第二册

Science And Scientists Unit1 Words and Expressions 1 This illness causes severe diarrhoea, dehydration, and even death. severe adj. 极为恶劣的；十分严重的; 严厉的 severely adv. 严重地；严厉地 严重的疾病/破坏/伤势 severe diseases/damage/injuries Anyone breaking the law will be severely punished. 2 As a young doctor, John Snow became frustrated because no one knew how to prevent or treat cholera. frustrated adj. 懊恼的；沮丧的；失意的 feel/get frustrated 感到沮丧的 a frustrated artist 一个不得志的艺术家 形容人或人的表情、声音等 只放在名词前作定语 frustrate v. frustrating adj. frustration n. 挫败；阻挠 令人沮丧的 懊恼；令人沮丧的事物 frustrate one's plan with frustration 沮丧地 the frustrating news 3 In general, doctors in those days had two contradictory theories to explain how cholera spread. contradictory adj. 相互矛盾的；对立的；不一致的 What he did was contradictory to what he said. contradict v. contradiction n. contradict oneself in contradiction to... contradict with/to... He often talks in circles, frequently _______________ (contradict) himself and often ends up saying nothing. contradicting 4 The other was that cholera was caused by an infection from germs in food or water. infection n. 感染；传染 infect v. 使感染 infectious adj. 感染的 suffer from an infection be exposed to infection infect...with...把...传染给... be infected with 感染上 She infected the whole class with her laughter. Laughter is one of the most infectious expression of emotion. germ n. 微生物；细菌；病菌 5 There were multiple deaths near the water pump in Broad Street. multiple adj. 数量多的；多种多样的 n. 连锁商店 multiply v. 乘；增加；繁殖 multiple/chain store multiple-choice questions multiply A by B We must multiply our efforts to explore the future. 我们必须加倍努力，探索未来 water pump 水泵 6 Snow suspected that the water pump was to blame. suspect v. 怀疑；疑有；不信任 n. 犯罪嫌疑人；可疑对象 The police suspect him of occupying the house illegally. 常用的“动词+sb.+of sth.”结构： convince sb. of sth. remind sb. of sth. accuse sb. of sth. inform sb. of sth. warn sb. of sth. cure sb. of sth. blame v. 把...归咎于；责怪；指责 You shouldn’t blame other people f