Units 2－3 滚动练习（配套课件PPT）-【步步高】2025-2026学年高二英语选修第一册学习笔记（译林版·新教材）

该高中英语课件聚焦Units 2-3核心词汇、短语及句型，通过滚动练习衔接新旧知识，搭建从单词默写（含词形变化）到短语运用再到教材原句默写的递进式学习支架，帮助学生系统巩固语言基础。 其亮点在于分层设计强化语言能力与学习能力，如词形变化填空（如distract的不同形式转换）和核心短语选词填空（如“give rise to”“in the blink of an eye”应用），助力学生提升语言理解与表达能力，教师可借此高效检测学情，促进学生自主复习习惯养成。

Units 2－3 滚动练习 1._________________ vt.使减少到最低限度；降低，贬低； (尤指在计算机屏幕上)使最小化 2._____ vt.& vi.有(值得自豪的东西)；自夸，自吹自擂 3._____ n.产量，产出 vt.出产(作物)，产生(收益等) vi.屈服，让步；变形，弯曲 4.________ n.障碍，阻碍；障碍物，绊脚石 5._________ n.缺点，不利方面 Ⅰ.默写重点单词 minimize/minimise boast yield obstacle downside 6._____ adj.陡的，陡峭的；大起大落的； 过高的，不合理的 7.________ adv.漫不经心地 8.______ vi.瞥一眼；粗略地看 n.匆匆一看，一瞥 9.________ n.困境，(进退两难的)窘境 10.____________ n.合作，协作；合作成果 →__________ v.合作，协作 steep casually glance dilemma collaboration collaborate 11._______ n.拼图；谜，智力游戏；不解之谜，疑问 vt.迷惑，使困惑 →________ adj.令人困惑的 →________ adj.感到困惑的 12.________ adj.小心的，谨慎的 →_______ n.谨慎；小心 →__________ adv.小心地，谨慎地 puzzle puzzling puzzled cautious caution cautiously 13.__________ adj.令人分心的 →_______ v.分散(注意力)；使分心 →_________ adj.注意力分散的，思想不集中的 →__________ n.分散注意力的事，使人分心的事 14.______ adv.迅速地；敏捷地 →_____ adj.迅速的；敏捷的 15.____________ n.毅力，不屈不挠的精神 →__________ vi.坚持；孜孜以求 distracting distract distracted distraction swiftly swift perseverance persevere 1.In order not to be ____________，we’d better keep away from ____________ things.(distract) 2.They discussed and put forward a proposal to strengthen the _____________(collaborate) between the two countries. 3.The collector is really _________ about his collections.He puts the vase on the table __________.(cautious) Ⅱ.词形变化填空 distracted distracting collaboration cautious cautiously 4.The couple reacted ________(swift) to the bear’s attack，took out the spray and sprayed it to the bear’s eyes. 5.The letter posed a number of ____________ questions which really _________ him a long time.(puzzle) swiftly puzzling puzzled 1.________ 实时 2._________________ 有效使用 3.__________ 引起，产生 4.________________ 事物的利与弊 5.______________ 前进，前行 6.________ 满足需要，适合 7._____________ 涉及，参加；卷入 Ⅲ.默写核心短语 real time put sth to good use give rise to the pros and cons make one’s way cater for be involved in 8.___________ 一定会 9.___________________ 眨眼的工夫，很快 10.________________ 首次亮相 be bound to in the blink of an eye make one’s debut 从上面默写核心短语中选择合适的完成下列句子 1.His perseverance and strong determination ____________ his achievements in his field. 2.The boy waved goodbye to me and he was out of sight ______________ _______. 3.It was tragic that a woman and a man _______________ a car accident on a snowy cold morning. Ⅳ.选词填空 gave rise to in the blink of an eye were involved in 4.Many young people get married on May 1st，so many hotels are busy ___________ weddings and parties. 5.In my opinion，the way to get out of the dilemma is to weigh _______ _____________ cautiously. catering for pros and cons the 1.毫无疑问，尽管困难重重，但自动驾驶汽车将成为我们未来重要的一部分。 ____________________________________________________________________________________________________________________________ 2.京沪高铁是世界上一次性建成的最长线路，拥有最快的高铁列车，将北京和上海之间的旅行时间从14小时缩短至不到5小时。 ____________________________________________________________________________________________________________________________ ______________________________________________________________ Ⅴ.默写教材原句 There can be little doubt that，despite all the challenges，self-driving cars will form a big part of our future. The Beijing-Shanghai line，the world’s longest line built in one stage，has the fastest high-speed trains，reducing the travel time between Beijing and Shanghai from 14 hours to less than 5 hours. 3.例如，如果发现土壤养分不足，农民不仅知道需要化肥，他们还可以计算出确切的数量。 __________________________________________________________________________________________________________________________ _____________________________________________________________ 4.因此，土壤取样使农民可以为他们的作物生长创造理想的条件，同时更有效地管理他们的资源。 __________________________________________________________________________________________________________________________ _____________________________________________________________ For instance，if the soil is found to be poor in nutrients，not only do farmers know that fertilizer is needed，they can also calculate the exact amount. Consequently，soil sampling makes it possible for farmers to create the ideal conditions for their crops to grow and manage their resources effectively at the same time. 本课结束 $