UNIT 12 LESSON 2 AHA MOMENT(课前随身记)(教用Word)-【优学精讲】2025-2026学年高中英语选择性必修第四册（北师大版）

本高中英语讲义围绕“AHAMOMENT”主题，构建“词汇-短语-句型-应用”的学习支架。先呈现阅读词汇如“becluelessaboutamathsproblem”、写作词汇如“coincidence”“emerge”及拓展词汇的词形转换，再梳理“beinvolvedin”等短语，最后通过“can’thelpdoing...”等句型公式，结合练习题实现知识应用。 该资料亮点在于立足语言能力培养，写作词汇搭配人物描写、人物介绍例句，助力学生提升表达准确性；通过词形转换、句型应用等练习，渗透学习策略，培养学习能力。课中辅助教师系统授课，课后帮助学生通过语法填空、完成句子等题型查漏补缺，强化知识内化。

LESSON 2　AHA MOMENT 一、阅读词汇 1.be clueless about a maths problem 对一个数学问题一无所知 2.egg incubation 蛋孵化 二、写作词汇 1.coincidence n.运气；巧合 It was a strange coincidence that we both chose the same vacation destination. 我们俩选择了同一个度假目的地，这真是个奇怪的巧合。 （人物描写） 2.emerge vi.出现，浮现 The artist emerged as a significant figure in the pop art movement. 这位艺术家在流行艺术运动中崭露头角。 （人物介绍） 三、拓展词汇 1.clueless adj.一无所知的，一窍不通的→clue n.线索；（故事等的）情节 2.incubation n.孵化→incubate v.孵化；酝酿 3.evaluation n.评估，评价→evaluate v.评价；估价 1.be involved in　　　　参与/卷入，涉及 2.bury oneself in 埋头于 3.sth occur to sb 某人突然想起某事 4.draw one’s attention 吸引某人的注意 1.句型公式：can’t help doing ... 教材原句：Then you can’t help shouting out：“Aha！ That’s it！” 然后你会忍不住大喊：“啊哈！就是这样！” 2.句型公式：after引导时间状语从句 教材原句：After you become deeply involved in an area， you do nothing. 当你深入某一领域后，你什么也不做。 Ⅰ.单句语法填空 1.Having investigated for a long time， there were still no 　clues　 （clueless） at all. 2.The statement has not been 　evaluated　 （evaluation） by the food and drug administration. 3.The 　incubation　 （incubate） of these ideas took several months before we saw any results. Ⅱ.选词填空 从上面“短语积累”栏目中选择合适的短语完成句子。 1.Having 　buried himself in　 the experiment for months，he finally got the desirable results. 2.The little kid was playing in the yard when a colourful bird 　drew his attention　. 3.It 　occurred to　 him that he had left his identification card at home and couldn’t board on the plane. 4.After retirement，my previous English teacher 　was involved in　 voluntary services in the local community. Ⅲ.完成句子 1.我总觉得他没把他知道的事告诉我们。（can’t help doing ...） I 　can’t help thinking　 he knows more than he has told us. 2.你用完塑料袋之后，不准到处乱扔。（after引导时间状语从句） 　After you use　 plastic bags， you mustn’t throw them about. 1 / 2 学科网（北京）股份有限公司 $