Unit 3 Section Ⅱ Starting out & Understanding（Word教参）-【优化指导】2023-2024学年新教材高中英语选择性必修第四册（外研版2019）

Section Ⅱ　Starting out & Understanding ideas—Language points [对应学生用书P64] 1 vary from ... to ... 从……到……不等 The subjects of the Dunhuang murals vary from religious stories to scenes of everyday life. 敦煌壁画的题材从宗教故事到日常生活场景各不相同。 ►情境探究 ①Rooms vary in size but all have television and Wi­Fi. 房间大小不一，但都有电视和无线网络。 ②Join us to taste a variety of fresh local food and drinks. 加入我们来品尝当地的各种各样的新鲜食物和饮料吧。 ③(2022·全国甲卷)Some of these cultural dining etiquette rules may seem random and strange, but they are important in various countries. 这些文化饮食礼仪可能看起来随意而奇怪，但它们在各个国家都很重要。 ►要点突破 ①vary in 在……不同/有差异 vary with随……变化/不同 vary from不同于…… ②variety n．种类；变化；多样性 a variety of＝varieties of 各种各样的 ③various adj.各种各样的；多方面的 ④varied adj.各种各样的；多变的 “a variety of＋名词”作主语，谓语动词与名词的数保持一致；“the variety of＋名词”作主语，谓语动词用单数形式。 ►学以致用 [单句填空] ①Wedding traditions and customs vary from country to country. ②In the exhibition you can see machines that vary in function. ③As is known to us, temperature varies with the season. [完成句子] ④很明显，不同的人对这个问题有不同的看法。 Obviously, views on this issue vary_from_person_to_person． ⑤我们提供了多种选择以满足消费者的需求。 We have offered a_variety_of/varieties_of_options to meet the customers' demands. 2 date from 追溯到，起源于 Dating from 405 AD to 1002 AD, these hidden treasures give us a picture of Dunhuang when it was at the very centre of the Silk Road trade. 从公元405年到公元1002年，这些隐藏的宝藏让我们看到了敦煌作为丝绸之路贸易中心时的景象。 ►情境探究 ①The table that is made of Spanish oak dates from the 18th century. 这张用西班牙橡木做的桌子可以追溯到18世纪。 ②You'd better buy a new bottle of pure water.This one is out of date. 你最好买一瓶新的纯净水。这瓶已经过期了。 ③We have to set/fix a date to discuss the dilemma carefully. 我们必须定个日期来认真讨论这个困境。 ④It is important that you should keep the information up to date. 持有最新的资讯对你来说是重要的。 ►要点突破 ①date v．注明日期；过时 date from＝date back to 起源于，追溯到 ②date n．日期；时期；约会 out of date过时的 up to date最新的；现代的 set a date for ...确定……的日期 date from/date back to在句中作谓语时，常用一般现在时，没有进行时态，也没有被动语态。 ►学以致用 [单句填空] ①Dating(date) from the middle of the 7th century, the paintings are of great