Unit 4Everyday economics 高频词汇知识点清单-2022-2023学年高中英语外研版（2019）选择性必修第四册

新教材外研版 英语选择性必修第四册 UNIT 4 UNIT 4高频词汇 知识点清单 Unit 4　Everyday economics 高频词汇精讲 1.  potential adj.潜在的,可能的n.[U](事物的)潜力,可能性 It was only after graduating from university overseas and returning to visit her parents that Zhang realised the potential. 正是在从海外的大学毕业,回来看望父母之后,张才意识到它们的潜力。(教材P51) 情景导学 Teachers make selfless contributions and work hard to help students achieve/realize their potential. 老师们无私奉献,努力帮助学生们发挥他们的潜能。 If you master English very well, there is greater potential for studying abroad. 如果你英语掌握得很好,出国留学的可能性更大。 With enough practice, you have the potential to succeed in the speaking contest under the guid-ance of experienced tutors. 在经验丰富的导师的指导下,经过足够的练习,你有潜力在演讲比赛中成功。 (写作—鼓励信) 用法归纳 ①achieve/realize    one’s (full) potential (充分)发挥某人的潜能 ②have the potential　to do   sth. 有潜力去做某事 ③potential　for   (doing) sth. (做)某事的可能性 词汇拓展 potentially adv.可能地,潜在地 2. purchase vt.购买;采购 n.购买;购买的东西 After I went on TV, a major Asian manufacturer of cosmetics was willing to purchase my product and help with its distribution. 在我上电视之后,亚洲一家大的化妆品制造商愿意购买我的产品,并帮助经销我的产品。 (教材P52) 情景导学 He purchased a ticket for 25 dollars from the box office. 他花了25美元从售票处买了一张票。 This weekend he is going to make a purchase in the supermarket with his parents. 这个周末他将和他的父母一起去超市采购。 用法归纳 ①purchase sth. from    ... 从……购买某物 ②purchase sth.　for    +金钱 花……钱购得某物 ③make　a   purchase 采购 3.  guidance n.[U]指导,引导 ...she advises that people be realistic and seek guidance from expert consultants before rushing into things. ……她建议人们要现实一点,在仓促行事之前要寻求专家顾问的指导。(教材P52) 情景导学 I hope that your English will make great progress under the guidance of this British teacher.我希望你的英语在这位英国老师的指导下取得长足的进步。(写作—语言学习) The vocabulary and grammar of the plot need to be adjusted, and we also need your guidance on our performance. 情节的词汇和语法需要调整,我们也需要您对我们的表演进行指导。 (2020全国Ⅲ) 用法归纳 ①under   the guidance of... 在……的指导下 ②guidance　on    ... 关于……的指导 ③career guidance就业指导 词汇拓展 guide n.导游,向导;指南,手册;指导原则v.领路,指引,引导;指导 a tour guide 导游 guide sb. to... 带领某人去…… •He will guide you to t