Welcome Unit 词汇知识点讲义-2023-2024学年高中英语人教版（2019）必修第一册

WELCOME UNIT 1.exchange n. 交换;交流v. 交换;交流;交易;兑换 (1)exchange with (sb.)和……交换 exchange ... for ... 用……换…… (2) in exchange (for) 作为(对……的)交换 (3) make an exchange 交换 (4) an exchange student 交换生 2. anxious adj. 焦虑的;不安的;渴望的 (1)be anxious about 担心…… be anxious to do sth. 渴望做某事 be anxious for sth. 渴望得到某物 be anxious+that从句 (2)anxiety n. 挂念;渴望;令人焦虑的事;忧虑 with anxiety 焦虑地 (3)anxiously adv. 焦虑地,不安地 3. annoyed adj. 恼怒的;生气的 (1)be annoyed with sb. 对某人生气 be annoyed about/at sth. 为某事生气 (2)annoy vt. 使恼怒;使烦恼;使生气 annoying adj. 令人生气的;令人厌烦的 4. impression n. 印象;感想 (1)make/leave an impression (on sb.)(给某人)留下好印象 (2)impress vt. 使钦佩;给……留下印象;使意识到;使铭记 impress sth. on/upon sb. 使某人牢记某事;使某人了解……的重要性(如果宾语过长,可调整为impress sb. with/by sth.) be impressed by/with sth. 对某事印象深刻 (3) impressive adj. 给人深刻印象的;感人的 5. concentrate vi. & vt. 集中(注意力);聚精会神 (1)concentrate on sth. 集中精力于某事 concentrate ... on sth./doing sth. 集中……于/做某事 (2)concentration n. 浓度;集中;专心 (3)concentrate one’s mind/attention/energies on/upon 把心思/注意/精力集中于...... 6.come true实现;成为现实 (1)come true实现,不及物动词短语,不用于被动语态 (2)realise vt. 实现,及物动词 (3)be true to life真实存在的 7.curious adj. 好奇的;求知欲强的 (1)be curious about 对……好奇 be curious to do sth. 极想做某事 (2)curiosity n. 好奇心 out of curiosity出于好奇 with curiosity 好奇地 (3)curiously adv. 好奇地 8. frightened adj.惊吓的 害怕的 (1)be frightened at/by 因...而害怕,被...吓坏了 be frightened of 害怕... be frightened to do sth. 不敢做某事 (2)frighten vt.使惊吓 吓唬 frighten sb. into/out of doing sth. 吓得某人做/不做某事 frighten away/off 吓走 吓跑 frighten sb to death 把某人吓死 (3)frightening adj.令人惊恐的 骇人的 9. What if 要是...会怎么样呢? (1)what if+主语+谓语 (2)What/how about...? ...会怎么样 (3)So what? 那又怎么样? (4)What for? 为什么? (5)How come...? ...怎么会这样? (6)What’s up? 怎么了/发生什么事了? 10.look forward to 盼望期待 (1)look down upon/on 轻视瞧不起 (2)look up 抬头看查阅 (3)look up to 尊敬仰视 (4)look into 调查向...里看 (5)look back on 回忆回顾 (6)look ahead(to sth.) 展望未来 为将来设想 (7)look out for... 注意 留神 留意 (8)look through 浏览 仔细看 11.company n.公司 商行 陪伴 (1)keep sb. Company=accompany sb 陪伴某人 (2)in one’s company=in the company of sb 在某人的陪伴下