Unit 2.单元知识点讲解-【帮课堂】2021-2022学年高一英语同步精品讲义（上外版必修二）

Unit 2 Animals 【词汇和短语】 1. cruel /ˈkruːəl/ adj. 残忍的 2. establish /ɪˈstæblɪʃ/ vt. 建立; 确立 3. concern /kənˈsɜːn/ n. 担忧 . vt. 关心 4. habitat/ˈhæbɪˌtæt/ n. . 生长环境 5. exhibit /ɪɡˈzɪbɪt/ vt. 展览 6. adjust /əˈdʒʌst/ vt. 调整以适应 7. extinct /ɪkˈstɪŋkt/ adj 绝种的 8. essential /ɪˈsɛnʃəl/ adj. 基本的; 至关重要的 9. threat/θrɛt/ n. 威胁; 10. illegal /ɪˈliːɡəl/ adj. 非法的 11. attempt /əˈtɛmpt/ vt. n. 企图 12. typically /ˈtɪpɪkəlɪ/ 典型地 13. approach /əˈprəʊtʃ/ v. l临近 n. 路径;方式 14. definitely /ˈdɛfɪnɪtlɪ/ 一定地 15. reunite /ˌriːjuːˈnaɪt/ vt. 重聚 16. retire /rɪˈtaɪə/ vi. 退休 17. release/rɪˈliːs/ vt. 释放；发行 18. elderly/ˈɛldəlɪ/ adj. 上年纪的 19. recall /ɪˈkɔːl/ v. 记起; 回忆 20. affectionate /əˈfɛkʃənɪt/ adj. 显露感情的 21. emerge /ɪˈmɜːdʒ/ v. 出现; 显露 . 22. peck /pɛk/ v. 啄; 啄食 【核心词组】 establish oneself as… 确立了…的地位 adjust… to… 调整…以适应… under threat 受到威胁 【词汇重点】 A 1. cruel /ˈkruːəl/ 1). adj. Someone who is cruel deliberately causes pain or distress to people or animals. 残忍的 例： Children can be so cruel. 孩子也会这么残忍。 2). A situation or event that is cruel is very harsh and causes people distress. 严酷的 例： ...struggling to survive in a cruel world with which they cannot cope. …在一个他们不能承受的严酷世界中挣扎着求生。 2. establish /ɪˈstæblɪʃ/ 1). vt. If someone establishes something such as an organization, a type of activity, or a set of rules, they create it or introduce it in such a way that it is likely to last for a long time. 建立; 确立 例： The UN has established detailed criteria for who should be allowed to vote. 联合国就谁应当被允许投票确立了详细标准。 2). v. If you establish contact with someone, you start to have contact with them. You can also say that two people, groups, or countries establish contact. 建立 (联系) [正式] 例： We had already established contact with the museum. 我们已经与那个博物馆建立了联系。 3). vt. If you establish that something is true, you discover facts that show that it is definitely true. 证实 [正式] 例： Medical tests established that she was not their own child. 医学检测证实她不是他们的亲生孩子。 例： It will be essential to establis