Unit 4 Section Ⅱ Starting out &Understanding ideas-Language points（Word教参）-【优化指导】2022-2023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P94] 1 blank adj.无表情的，木然的；空白的 n．空白(处) They stared back，their blank faces giving no clue as to what they would say next. 他们面无表情地凝视着她，让人根本看不出他们接下来会说什么。 ►情境探究 ①When I heard the shocking news，my mind went blank. 当我听到这个令人震惊的消息时，我的大脑一片空白。 ②Please fill in the blank at the end of the text with a proper word or phrase. 请在课文末尾的空白处填上一个适当的单词或短语。 ③She stared blankly into space，not knowing what to say next. 她两眼发直，不知道接下来该说什么。 ►要点突破 ①go blank (思想或大脑等)变得空白 fill in/out the blank 填空 ②blankly adv.茫然地；毫无表情地 ③blankness n．空白；空虚；单调 ►学以致用 [赏句猜义] ①Sign your name in the blank space below.空白的 ②She stared at me with a blank expression on her face.无表情的，木然的 ③If you can't answer the question，leave a blank.空白 [单句填空] ④Speechless，she stared blankly(blank) at her mother. ⑤Bored with the blankness(blank) of the long winter，he moved to Florida. 2 potential n．(事物的)潜力，可能性 adj.潜在的，可能的 It was only after graduating from university overseas and returning to visit her parents that Zhang realised the potential. 直到张悦结束海外留学生活，回国看望父母时，她才意识到这里的潜力。 ►情境探究 ①The company in the charge of the chairwoman certainly has the potential for growth. 由那名女董事长掌管的那家公司肯定有发展潜力。 ②He has the potential to become a world­class musician. 他有潜力成为一名世界级的音乐家。 ③This crisis is potentially the most serious in the organization's history. 这可能是该组织历史上最严重的一次危机。 ►要点突破 ①potential for (doing) sth.(做)某事的可能性；(做)某事的潜力 potential to do sth.做某事的潜力 realise/achieve one's full potential 充分发挥某人的潜能 ②potentially adv.潜在地；可能地 ►学以致用 [单句填空] ①People who do not smoke have less potential for suffering from lung cancer than those who smoke. ②You have the potential to_reach(reach)the top of your profession. ③Potentially(potential) dangerous products are often recalled by their manufacturers. 3 purchase v．购买 After I went on TV，a major Asian manufacturer of cosmetics was willing to purchase my product and help with its distribution. 我上了电视后，一家亚洲大型化妆品制造商表示愿意购买我的产品并且帮忙分销。 ►情境探究 ①The equipment can be pur