Unit 1 Our world 词汇整理 2021-2022学年上海市高中英语新教材上教版必修第一册

1. acquire /əˈkwaɪə(r)/ v. 获得；习得 n. 获得；成绩；学识 acquisition acquire a good knowledge of English Because tigers need so much territory, it is really difficult for conservationists to acquire enough land to support a large population of tigers. <2019年松江区一模阅读理解A篇> 2. challenge /ˈtʃæləndʒ/ n. 挑战 v. 挑战 challenge rise to the challenge Comparatively speaking, ground living animals face no particular challenge when they need to stop running or crawling, while flying animals move at much higher speed, and they must be careful about how they land. <2019年松江区二模阅读理解A篇> 3. currently /ˈkʌrəntli/ adv. 当前；现在 adv. 当前的；现在的 current The U.S. Space Surveillance Network is currently tracking over 13,000 human-made objects larger than ten centimeters in diameter orbiting the Earth. <2018年长宁区二模阅读理解A篇>