单元知识回扣2-(配套课件)【精讲精练】2025-2026学年高中英语选择性必修第四册(外研版)

该高中英语课件围绕“Lessons in life”主题，系统梳理核心单词、拓展词汇、重点短语及句型，通过“单元知识回扣”搭建学习支架，帮助学生衔接新旧知识，夯实语言基础。 其亮点在于以“词汇-短语-句型”分层递进设计，通过反义词对比（如pessimistic与optimistic）、句型语境应用（如as if表语从句）等实例，培养学生语言能力与思维品质。采用系统归类与实例结合的教学方法，助力学生高效掌握知识，也为教师提供清晰教学框架，提升课堂效率。

单 元 知 识 回 扣 Unit 2　Lessons in life Unit 2　Lessons in life 1 anticipate widespread phrase fee Unit 2　Lessons in life 1 optimistic pessimist pessimism possession abnormal recognition recognizable Unit 2　Lessons in life 1 cooperation purely purity purify luxurious Unit 2　Lessons in life 1 be reunited with a pleasant surprise point of view get distracted by lose touch with live life to the full Unit 2　Lessons in life 1 rush into go up to burst out laughing be crammed with Unit 2　Lessons in life 1 It's up to you to decide where we go as if nothing had happened to her Unit 2　Lessons in life 1 making it possible for people to live longer than those in the past Unit 2　Lessons in life 1 The first time I ate Chinese food no better than Unit 2　Lessons in life 1 谢谢观看 Unit 2　Lessons in life 1 Ⅰ.核心单词 1．At this stage we can't really __________(预料) what will happen to us. 2．Malnutrition in the region is __________(普遍的)—affecting up to 78 percent of children under five years old. 3．This ______(短语) serves as a connecting link between the preceding and the following. 4．The entrance ___(费用) is six pounds，two pounds for the unwaged. Ⅱ.拓展词汇 1．pessimistic adj.悲观的，悲观主义的→[反义词]__________ adj.乐观的，乐观主义的→__________n.悲观主义者→__________n.悲观主义 2．possess v.拥有；具备→__________ n.财产，财物 3．normal adj.正常的→[反义词] _________ adj.不正常的，反常的 4．recognize v.承认；认出，识别→___________ n.承认，认可→____________ adj.容易认出的 5．cooperate v.合作，协作→___________ n.合作；协作 6．pure adj.纯净的，洁净的→______ adv.纯粹地；仅仅；只不过→______ n.纯洁→______ v.使(某物)洁净；净化 7．luxury n.奢华，奢侈→_________ adj.奢侈的，豪华的 Ⅲ.重点短语 1．________________ 与……重聚 2．___________________一个意外的惊喜 3．_____________ 观点 4．_________________分心，转移(注意力) 5．________________与……失去联系 6．_____________________过得很充实 7．__________冲进某地 8．________ 走向…… 9．__________________ 突然大笑起来 10．_______________ 塞满；充满 Ⅳ.重点句型 1．有几个旅游目的地可供我们选择。今年夏天去哪里由你决定。 There are several travel destinations we can choose from.___________ ____________________ this summer. 2．as if引导表语从句 她看起来好像什么事都没发生过似的。 She looked _________________________________． 3．现在分词(短语)作结果状语 在以前几十年中，医疗技术的进步使得人们的寿命比以前的人的更长了。 In the last decades，medical technology has advanced much，____________________________________________________________． 4．every time引导时间状语从句 我第一次吃中餐就爱上了它独特的味道和花样。 _________________________________，I fell in love with its unique flavors and patterns. 5．“no＋比较级＋than”意为“和……一样不……” 恐怕今天的天气比昨天好不了多少。 I'm afraid the weather today is ______________ yesterday. $