《2025年优化探究同步导学案高中英语选择性必修第一册人教版》

1. vital *adj*. 必不可少的；极其重要的；充满生机的
[教材原文] Artemisinin has become a vital part of the treatment for malaria, and is thought to save 100,000 lives a year in Africa alone. 青蒿素已经成为治疗疟疾的重要组成部分，据说仅在非洲每年就能挽救10万人的生命。
(1) It is vital that we should never lower safety standards as life is the most important in the world.
(2)(2022·全国乙卷，书面表达)50%的学生认为课外学英语时看英文电影对他们来说很重要。
→50% of the students think it is vital for them to watch English movies when learning English outside the classroom. (it is vital to do...)
→50% of the students think it is vital that they (should) watch English movies when learning English outside the classroom. (it is vital that...)
be vital to/for... 对……是至关重要的
It is vital to do... 做……很重要
It is vital that... ……是十分重要的(从句中的谓语动词用“should + 动词原形”，should可省略)

答案： 1.
(1)It
(2)it is vital for them to watch English movies it is vital that they (should) watch English movies

2. committed *adj*. 尽心尽力的；坚定的；坚信的
[教材原文] Tu Youyou, a committed and patient scientist, was born in Ningbo, China, on 30 December 1930, and graduated from Peking University Medical School in 1955. 屠呦呦是一位尽心尽力、有耐心的科学家，1930年12月30日出生于中国宁波，1955年毕业于北京大学医学院。
(1) These targets would not be achieved unless other departments showed equal commitment (commit).
(2)(2022·新高考Ⅰ卷，应用文写作)致力于提高学生对国内外事务的理解，我写信邀请您参加我们的节目。
→Committed to enhancing students’ understanding of domestic and foreign affairs, I am writing to invite you to participate in our show. (形容词短语作状语)
→Committing myself to enhancing students’ understanding of domestic and foreign affairs, I am writing to invite you to participate in our show. (现在分词短语作状语)
(1)commit *vt*. 承诺；保证 *vi*. 忠于；全心全意投入(工作、活动等)
commit oneself to (doing) sth. 专心致志于(做)某事，献身于(做)某事
commit oneself to (sth./do sth./doing sth.) 承诺；保证(做某事、遵守协议或安排等)
(2)be committed to (doing) sth. 对……忠诚；致力于……
(3)commitment *n*. 承诺；奉献

答案： 2.
(1)commitment
(2)Committed to enhancing students’ understanding of Committing myself to enhancing students’ understanding of