Unit 2 Out of This World Grammar and usage 课件-2023-2024学年高二下学期英语牛津译林版（2020）选择性必修第三册

Vocabulary 1. crucial be crucial to/for...对……至关重要 play a crucial role/part in...在……中起至关重要的作用 It is crucial that… 至关重要的是…… 练习：This last point is ________. crucial 2. comprise be comprised of.…包括/包含……，由……组成或构成 练习：These objects __________ functions and data of the system. comprise 3. foundation lay a (firm/solid) foundation for… 为……打下（坚实的）基础 found vt.创建，创办；兴建（城镇或国家）；把……建立在。 be founded on… 建立在……基础上（近义词组为be based on） founder n.创办者，发起人 练习：It laid solid ___________ for the development of the local area. foundation 4. plain to see 相当于clear 或obvious。 练习：It's _____ to see that students should get well prepared for their future. plain Lead-in Reading Read the article on page 20 and fill in the following table. The use of telescopes to explore space Time Breakthroughs Use In 1990 (1) ______________ (2) ____________________ (3) __________ The Kepler Telescope (4)____________________ (5) ___________ (6) ________________ To detect communication signals between the stars in the universe The use of telescopes to explore space Time Breakthroughs Use In 1990 The Kepler Space Telescope In recent years To detect communication signals between the stars in the universe The Hubble Space Telescope To see further than ground-based telescopes; to play a crucial role in the discovery of the mysterious dark energy In 2009 FAST To search for Earth-size planets orbiting other stars Reading 1. 重大突破 2. 基于地面的 3. 扮演关键角色 4. 环绕其它恒星 5. 迹象是光明的 6.也开发先进的望远镜 Useful Expressions major breakthrough ground-based play a crucial role orbit other stars signs are promising develop advanced telescopes as well 7.创造性的 8.单口径射电望远镜 9.极端灵敏 10.发现交流信号 11.重要工具 12.仅仅被想象所限制 Useful Expressions innovative the single-dish radio telescope extraordinary sensibility detect communication signals crucial tools be merely limited by imagination For thousands of years, people have looked to the starry sky and wond