Unit 1 Wish You were Here Extended reading & Project & Further study重点词汇学案-2023-2024学年高中英语译林版（2020）选择性必修第三册

Section Ⅲ Extended reading & Project & Further study重点词汇梳理 1.expand vt.&vi.增加，扩大；扩展，发展(业务)；详谈，详述 (1)expand to 扩展到…… expand into sth. 扩展成…… expand on sth. 进一步阐述，详谈，充分叙述 (2)expansion n. (尺寸、范围、数量等的)扩大；增加；(公司、企业等的)扩张；详述；展开；扩充 ❶In ten years the city's population has expanded by 12%. 十年之中，该市人口增加了12%。 ❷As Helen's knowledge and vocabulary expanded, she asked more and more questions. 随着知识不断拓展、词汇不断丰富，海伦问的问题越来越多。 ❸We've expanded the business by opening two more stores. 我们增开了两家商店以扩展业务。 ❹All the details are in the book，and I need not expand on it. 情节都在书上呢，我无须详述。 ❺Heat causes the expansion of gases.热使气体膨胀。 ❻This book is an expansion of the play he wrote before. 这本书是他以前写的剧本的扩充。 词语辨析：expand与spread (1)expand指扩大面积或体积，也指把合拢的东西放开(即三维) This county has expanded its area under cultivation by more than 50，000 mu. 该县增加了50 000多亩耕地。 (2)spread指向四面八方扩大范围。 Fire spread rapidly after a chemical truck exploded. 一辆装有化学品的卡车爆炸后火势迅速蔓延开来。 即学即练　单句语法填空 ①The society expanded ____________ a worldwide organization. ②The town has now expanded ____________ twice its original size. ③For example, people volunteer to express personal values related to unselfishness, ____________ (expand) their range of experiences, and to strengthen social relationships. ④In his lecture the teacher expanded ____________ the uses of the English subjunctive mood. ⑤The future ____________ (expand) of the business calls for two new factories. 2.multiple adj.数量多的，多样的 (1)multiple formats 多种格式 multiple challenges 多重挑战 multiple models 多型号 multiple-choice questions 多项选择题 (2)multiply vi.& vt. 乘，增加 multiply...by 以……乘 multiply five by three 三乘以五 ❶The children should be trained to have multiple interests. 应该培养孩子们有多方面的兴趣。 ❷In a world that warms up by 3℃， it found that multiple changes to the colour of the oceans would occur. 在一个温度上升了3摄氏度的世界里，它(模型)发现海洋的颜色会发生多重变化。 ❸What do you get if you multiply six by nine？6乘以9等于多少？ 联想拓展： “加减乘除”表示法： add v．加；增加plus prep.加(上) subtract v．减；减去 minus prep.减(去) times prep