Unit 1 单词词组短语知识点讲解（选择性必修第一册）-【暑假自学课】（人教版2019）

Unit 1单词词组短语知识点讲解 1．了解本单元的单词和词组等重要语言点。 2．可以根据本节课的内容来完成一些习题。 1. crucial [ˈkruːʃl] adj. 至关重要的; 关键性的 教材P2》This year's Nobel Prize for Physiology or Medicine has been awarded to Tu Youyou (co-winner), whose research led to the discovery of artemisinin,a crucial new treatment for malaria.今年的诺贝尔生理学或医学奖授予了屠呦呦（共同获奖者）,她的研究发现了青蒿素，这是一种治疗疟疾的关键新药物。 归纳拓展 be crucial to对……至关重要 play a crucial role/part in sth.在……（方面）起关键作用 be of crucial importance非常重要 a crucial period 关键时期 根据汉语意思完成句子 (1)你的意见对这个计划至关重要。 Your opinion _________________________ the plan. (2)在孩子们适龄时为他们提供应有的教育至关重要。 __________________________ to provide the children with efficient education suitable to their age. (3)The support of our fans _________________our winning the Super Cup. 球迷的支持对我们赢得超级杯非常关键。 2.vital adj.必不可少的；极其重要的；充满生机的 Artemisinin has become a vital part of the treatment for malaria... 青蒿素已经成为治疗疟疾的重要组成部分…… 归纳拓展 be vital to/for sb. /sth. … 对……是极为重要的 be vital to do sth. 做某事是极为重要的 It is vital that … (should) do … 做……是极为重要的/生死攸关的 “虚拟语气”知多少 It is vital that. . . 句式中, that从句需用虚拟语气, 即should +do, should可以省略。类似的句式还有: It is/was necessary/natural/important/strange/essential that. . . [即学即练]——单句语法填空/完成句子 ①Consideration for other people is vital all of us. ②It's vital that we (carry)out the operation immediately. ③旅游业对西班牙经济至关重要。 Tourism to the Spanish economy. 3.commit vt.承诺；保证(某个人、机构等)vi. 忠于；全心全意投入(工作、活动等) 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，一位坚定而有耐心的科学家，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。 经典例句 Unfortunately, although Van Gogh committed his whole being to painting, he received little reward for his effort. 遗憾的是, 尽管梵高全身心地投入绘画, 但他努力所得到的回报却微乎其微。 A lot of the crime is committed by addicts who need money for drugs. 许多犯罪都是由需要钱买毒品的瘾君子导致的。 You don’t have to commit yourself to help/helping me at this stage. 在这个阶段你不必向我承诺帮助我。 You should commit the message to m