选择性必修4U2 1. alert / l rt/ adj. 警觉的; 警惕的; 戒备的 on high alert - 高度警觉 alert someone to something - 提醒某人注意某事 security alert - 安全警报 For example, in Grand Teton National Park, elk and pronghorns in areas with more tourists are less alert and spend more time eating. <2024嘉定区一模六选四> 例如，在大提顿国家公园，游客较多地区的麋鹿和长角羚警惕性较低，吃东西的时间较长。 2. dismiss /d s m s/ v. 不子虑摒弃;对·.....不屑一提 dismissal (n.) 解雇；驳回 dismiss the idea 拒绝接受这个想法 dismiss an employee 解雇员工 dismiss a suggestion 驳回一个建议 In doing so, scientists attempted to dismiss what logicians have known for long: that no amount of correctly predicted effects can prove a supposed cause. <2022长宁区二模C篇> 这样做，科学家们试图否定逻辑学家们早已知道的事实：再多正确预测的结果也无法证明假定的原因。 3. explode / k splo d/ v. 爆炸; 爆破;爆裂 explosion (n.) 爆炸 explosive (adj.) 爆炸的；爆炸性的" explode with anger 怒气冲天 the bomb explodes 炸弹爆炸 When the associated heater was turned on during flight, the tank exploded depleting almost all of the power from the command module and forcing the crew to use the lunar module as a lifeboat. <2024青浦区一模B篇> 当相关的加热器在飞行过程中被打开时，水箱爆炸，几乎耗尽了指令舱的所有能量，迫使乘员将登月舱用作救生艇。 4. frustrate / fr s.tre t/ v. 使沮丧:使懊恼 frustration (n.) 挫败 frustrated (adj.) 挫败的 frustrating (adj.) 令人沮丧的 frustrate someone's plans 挫败某人的计划 feel frustrated 感到沮丧 find something frustrating 发现某事令人沮丧 There are times this attitude becomes unhealthy, as I get frustrated if I give everything to a competition or activity and produce only average results. <2023宝山区一模A篇> 有时，这种态度会变得不健康，因为如果我在比赛或活动中全力以赴，却只取得一般的成绩，我会感到沮丧。 5. harmony / hɑ r.m .ni/ n. 融洽; 和睦 harmonious (adj.) 和谐的 live in harmony 和谐相处 harmony between 之间的和谐 in harmony with 与...和谐 This is in harmony with the museum’s function, since the approach is dedicated to seeking out and conserving “authentic”, “original” readings of the exhibits. <2023青浦区二模C篇> 这与博物馆的功能是一致的，因为博物馆致力于寻找和保护展品的 "原汁原味"、"原汁原味 "的解读。 6. infection / n f k. n/ n. (身体某部位的)感染; 传染病; 传染; 感染 infect (v.) 感染 infectious (adj.) 有传染性的 fight infection 对抗感染 spread of infection 感染的传播 bacterial infection 细菌感染 We didn’t have health insurance at the time, and when I got a third infection, my parents couldn’t afford the treatment. <2024浦东新区一模A篇> 当时我们没有医疗保险，当我第三次感染时，我的父母无力承担治疗费用。 7. occupy / ɑ .kj .pa / v. 使用，占用( 空间、面积、时间等) occupation (n.) 职业；占领 occupy a position 占据一个位置 currently occupied 当前被占用 Professional staff and directors are hired internationally and occupy leadership functions or positions that require a significant level of technical knowledge. <2023崇明区一模B篇> 专业工作人员和主任在国际上聘用，担任领导 ... ...
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