Unit 2 Section C Using Language-2020-2021学年高二英语同步课堂帮帮帮（人教版2019选择性必修第二册）

Unit 2 Bridging cultures 2.3 Using Language & Assessing Your Progress Words And Phrases 　behave vt.表现 vi.& vt.表现得体；有礼貌 (教材P20)　Some may struggle and suffer from culture shock when learning how to behave in new surroundings. 有些人在新环境中学习如何表现时可能会受到文化冲击。 [例1]　He behaved well at school. 他在学校表现良好。 [例2]　Jane has studied these families of chimps for many years and helped people understand how much they behave like humans. 简研究这些猩猩家族已经很多年了，她帮助人们了解它们的行为跟人类的是多么相似。 [知识拓展] (1)behave＋well/badly to/towards sb. 　　　　　　　 对待某人好/差 behave oneself 守规矩；表现得体 behave as if/though... 表现得好像…… (2)behaviour n. 举止；行为；习性 　optimistic adj.乐观的 (教材P20)　As I always tell my son，there are no great difficulties for a person who is brave，optimistic，and willing to work hard! 我总是告诉儿子，对于一个勇敢、乐观、愿意努力工作的人来说，没有什么很大的困难！ [例1]　He is an optimistic young fellow. 他是位乐观的年轻人。 [例2]　He remained strongly optimistic that an agreement could be reached. 他仍然很乐观地认为协议能够达成。 [知识拓展] become optimistic　　 变得乐观 be optimistic about 对……乐观 　gain vt.获