UNIT 8 TOPIC TALK(课前随身记)(教用Word)-【优学精讲】2025-2026学年高中英语必修第三册（北师大版）

本高中英语讲义聚焦词汇与句型核心知识点，构建从基础到拓展的学习支架。涵盖阅读词汇（如tap、tissues等生活及环保词汇）、写作词汇（如ocean、recycle等配语境例句）、多义词汇（如balance的名词“余额、平衡、秤”及动词“使平衡”用法）、拓展词汇（如global与globe等词形转换），并结合短语积累（如do my part for sth）和动词-ing形式作主语句型，辅以单句语法填空、选词填空等练习，形成完整知识链。 资料特色在于融合语言能力与思维品质培养，通过写作词汇例句（如“Protecting our oceans...”）提升环境主题表达能力，多义词汇辨析（如balance的多义用法）训练学生语境分析与逻辑思维。课中助力教师系统授课，课后练习题（如完成句子“Traveling broadens our horizons...”）帮助学生巩固知识，查漏补缺，培养自主学习能力。

TOPIC TALK 一、阅读词汇 1.the hot/cold tap　 　 热/冷水龙头 2.a box of tissues 　　一盒纸巾 3.smog pollution　　 雾霾污染 4.carbon footprint 　　碳足迹 5.the battery life　　电池使用寿命 二、写作词汇 1.ocean n.海洋，大海 Protecting our oceans is important for the health of our planet. 保护我们的海洋对地球的健康至关重要。　（环境保护） 2.desert n.沙漠 Life in the desert is often challenging due to the harsh conditions. 由于恶劣的环境条件，沙漠生活往往充满挑战。　（环境描写） 3.transport n.交通运输系统，运输方式 Public transport is a more environmentally friendly option than driving a car. 公共交通是一种比开车更环保的选择。　（演讲稿） 4.recycle vi.& vt.再利用，回收利用 Many cities have employed recycling programs to reduce waste. 许多城市已经实施了回收利用项目以减少废物。 5.flat n.一套公寓房，一套住房adj.平坦的 The road was flat and straight， making it easy to drive at high speeds. 道路平坦笔直，便于高速行驶。　（环境描写） 三、多义词汇 balance n.平衡；秤；余额vt.使平衡 ①The balance on your account is $5. n.余额 ②Try to keep a balance between work and relaxation. n.平衡 ③Weigh that loaf of bread on the balance， please. n.秤 ④The dancer gracefully balanced herself on one foot during her performance. vt.使平衡 四、拓展词汇 1.global adj.全球的，全世界的→globe n.地球 2.industrial adj.工业的→industry n.工业 3.extinction n.灭绝→extinct adj.灭绝的 4.solution n.解决办法→solve vt.解决 5.electricity n.电→electric adj.电的→electrical adj.用电的 6.balance n.平衡→balanced adj.平衡的 1.do my part for sth　　　尽自己所能做某事 2.maintain the balance　　保持平衡 3.in harmony with　　与……和谐相处 4.pick up　　捡起；（偶然）获得，学会 5.types of 　　各种各样的 6.fight against 　　与……作斗争 7.end with　　 以……结束 8.for instance 　　比如 句型公式：动词-ing形式作主语 教材原句：Having more green spaces helps the environment. 拥有更多的绿地有利于环境。 Ⅰ.单句语法填空 1.The new cooker isn’t working because of an 　electrical　 （electricity） fault now. 2.The local people are struggling to protect endangered species from 　extinction　 （extinct）. 3.There is no doubt that we human beings should be responsible for the 　global　 （globe） warming. 4.Few parents have professional knowledge about what a 　balanced　 （balance） diet is. 5.With the genius’ help，we had a discussion and finally came up with a proper 　solution　 （solve）. 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.The master has been 　in harmony with　 his poor neighbour for years. 2.We must try our best to 　fight against　 unfairness and cruelty currently. 3.The little girl struggled to 　maintain the balance　 on her new skates. 4.Everyone 　did his part for　 finding an easy solution to the problem. 5.She 　picked up　 some knowledge about classical music while working with this conductor. Ⅲ.完成句子 　Traveling broadens our horizons　 and enriches our life experiences. 旅行拓宽了我们的视野，丰富了我们的生活经历。 2 / 3 学科网（北京）股份有限公司 $