Unit 3　Sea Exploration知识点课件(共80张PPT) 2025-2026学年高中英语人教版（2019）选择性必修第四册

(课件网) Sea Exploration Unit 3 1. extend vt.扩展；使伸长；延长(extensive adj.广阔的；大量的；广泛 的 extension n.延伸；扩大；延期) extend…to…向……提供/给予…… extend to延长到 extend by延长了 2. withdraw vi.&vt.(使)撤回；撤离[withdrawal n.撤回；(从银行账户 中)提款；退出(组织) withdrawn adj.沉默寡言的；内向的] ·withdraw money (from…) 从……提取资金 withdraw from an event/agreement 退出活动/协议 withdraw troops/forces撤军 withdraw a statement/an offer 撤回声明/提议 withdraw into oneself自我封闭；变得孤僻 ·withdrawal symptoms戒断/脱瘾症状 make a withdrawal提款；取款 3. bond n.纽带；关系vt.&vi.增强信任关系；使牢固结合 ·strong/close bond 紧密关系 family/emotional bond 家庭/情感纽带 ·bond between A and B A与B的联系 bond with sb. 与某人建立亲密关系 4. mercy n.仁慈；宽恕；恩惠(merciful adj.仁慈的；慈悲的；宽大的 merciless adj.残忍的；无情的；毫不怜悯的) ·show mercy to 对……表示怜悯/宽恕 have mercy on/upon 对……有怜悯之心；宽恕…… at the mercy of 任凭……的摆布；受……支配 ·be merciful to 对……仁慈 5. possession n.[usually pl.]个人财产；拥有；控制[possess vt.拥有； 具有(特质)；支配] ·take possession of (表动作)占有；拥有 in possession of (表状态)具有；拥有 in the possession of 被……拥有；归……所有 ·be possessed of sth具有某种品质(或特征) 6. in hand在手头；可供使用 at hand在手边；在附近 by hand手工；亲手递交的 hand in hand手拉手；密切关联 on the one hand…on the other (hand)… 一方面……另一方面……(用于表示不同的，尤其是相对立的两个方面) give sb a hand 帮(某人)一下；施以援手 so that引导目的状语从句 We need to understand what is happening to our planet so that we can take action.我们需要了解我们的星球正在发生什么，以便我们可以采 取行动。 ·本句中so that引导目的状语从句，相当于in order that，从句中往往含 有情态动词，如can、 could、 may、 might等。 ·so that也可以引导结果状语从句，此时从句中往往没有情态动词。 观察下面的句子，并感知动词不定式的用法。 1. To complete the great map of the world was a strong passion for the people of early civilisations. 2. Marco Polo’s tales inspired European explorers to search for sea routes from west to east. 3. Here， merchants from China and many other places met to negotiate trade deals， which also led to more awareness of each other’s cultures. 4. These fleets were a sight to behold and were in a league of their own at that time. 5. To reach out across the sea remains a strong desire today. 6. The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas，and strengthen the bonds between China and the rest of the world. 7. Trading has grown greatly in recent years，and will continue to do so in years to come. 8. China has invested billions in systems and services along these routes， which will help to greatly develop the whole area for the benefit of future trade and cultural exchange. 9. Hundreds of years on， and with the latest technology in hand， the need to trade and the desire to enhance relationshi ... ...