Unit 6 Survival Using Language课件 2022-2023学年高中英语外研版（2019）选择性必修第二册

Unit 6 Survival Section B Using Language Leading-in Part 1 Part 2 Part 3 While-class After-class Part.1 Leading-in optimistic 词性：_________ 意思：________ 常用搭配 be optimistic about...对……乐观 联想词 optimism n.乐观（主义） optimist n.乐观主义者 pessimists optimists pessimistic adj.悲观的be pessimistic about… 对……悲观 练习：My good performance in the job interview left me optimistic _____ the future. about react 词性：_________ 意思：________ 常用搭配 react to sb/sth 对某人/某物作出反应 react against反抗；反对 react with 与……起化学反应 联想词 reaction n.反应；回应 reaction to 对……的反应 练习：The chemical class is about the _____ (react) of metals with oxygen. reaction get rid of 意思：________ 联想拓展 be rid of sh/sth 摆脱某人/某事物 rid sb/sth of...去除；清除…… rid yourself of sb/sth 摆脱；从……中解脱 练习：It's time we _____ all these old toys. got rid of Part.2 While-class Activity 1 Look at the sentences and answer the questions. Sentences (a) and (c) are from the reading passage. a Wherever they go, animals find towns and cities in their way. b Animals always find towns an