Unit4Astronomy(第一课时).docVIP

Unit 4 Astronomy: the science of the stars Words and Phrase 1 Teaching Aims: Enable students to learn the new words. Help students to practice what they learned. 【自主学习】 一、必记单词 1. ______________ n. 天文学 ________________ n. 天文学家 2. ______________ n. 系统；体系；制度 3. ______________n. 宗教；宗教信仰 ______________ adj. 宗教的 4. ______________n. 学说；理论 5. ______________pron. n. adj. 万亿（英）；十亿（美） 6. ______________ n. 球体；地球仪；地球 ______________ adj. 7. ______________ adj. 猛烈地；激烈的； ___________ n. 8. ______________ n. 大气层 9. ______________ prep. 不同；不像 ______________ vt. 不喜欢 10. _____________ adj. 基本的；基础的 11. _____________ adj. 有害的 _____________ vt. n. 12. _____________ n. 链子；连锁；锁链 13. _____________ vt. vi. 乘；增加 14. _____________ vi 存在；生存 _____________ n. 15. _____________ adv. 因此；于是 16. _____________ n. 谜； 难题 vt. vi. （使）迷惑；（使）为难 二、必记短语 1. _____ time 及时，终于 2. _____ eggs 下蛋 3. ______ birth to 生产；分娩 4. _______ one’s turn 轮到某人；接着 5. prevent … __________ 阻止，制止 【互动探究】 ﹡请翻译下列所给例句 system system 用作名词，意思是“系统” “体系”。 eg. ① I decided to install a security system after the shop was burgled. ② The magazine is produced by using a desktop publishing system. system 用作名词，还可以表示“（思想、理论的）体制、体系”以及“（社会的）制度”等，通常与介词of 连用。 eg. a legal system a educational system a political system a two-party system a multiparty system The educational system of this country is similar to that of the United States. religion religion 做名词，意为“宗教信仰”。 I don’t know if there is always a conflict between science and religion. religion 还意为“宗教；教派” Everyone has the right to practice their own religion. religion 还有“特别的兴趣；重大的影响⑴ 作名词，意为“学说，理论” Darwin’s theory of evolution. ⑵还意为“ 想法，设想（与实践相对）” It sounds fine in theory, but will it work? atom 作名词，意为“原子”，为可数名词 Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water. The scientist Ernest Rutherford was the first person to split the atom. billion ⑴ billion 做名词，代词，形容词，意为“〔英〕万亿；〔美〕十亿” Worldwide sales reached 2.5 billion. ⑵ billion 前若有数词，bill