(
课件网) 1. Artemisinin has become a vital part of the treatment for malaria, and is thought to save 100, 000 lives a year in Africa alone. 青蒿素成了抗疟疾药物的关键成分，据估计每年仅在非洲就挽救了10万人的性命。 vital adj. 1) extremely important and necessary for something to succeed or exist 必不可少的; 极其重要的 2) full of energy in a way that is exciting and attractive 充满生机的 e.g. *Regular exercise is vital for your health. 经常锻炼对健康非常重要。 *Rodgers and Hart's music sounds as fresh and vital as the day it was written. Rodgers与Hart的音乐一如刚写成时那般清新而充满活力。 be vital to/for 对……是至关重要的 be of vital importance 至关重要 It’s vital to do sth. 做某事很重要 It’s vital that … (should) do … ……是十分重要的 play a vital role in 在……中起极其重要的作用 e.g. *This matter is of vital importance to us. 这件事对我们来说至关重要。 *Richardson played a vital role in the team's success. Richardson对球队的成功起了极重要的作用。 *It is vital that the patient (should) take in enough nutrition every day. 病人每天吸收足够的营养是极其重要的。 【点津】在It is vital that…句型中, that从句常用虚拟语气, 谓语构成：should+动词原形, should可以省略。 【语境应用】完成句子。 1) Most importantly, it’s vital that _____ (你要注意餐桌礼仪). 2) Knowing about the history and culture of Tianjin _____(至关重要) for me to become a good volunteer. 3) Understanding history is _____(重要的) to understanding ourselves as a people and as a nation. is of vital importance you should mind your table manners vital sb./ sth. be thought to… 某人/某物被认为…… e.g. A healthy life is usually thought to be related to the open countryside and home-grown food. 健康的生活通常被认为与开阔的乡村和土生土长的食物有关。 Artemisinin has become a vital part of the treatment for malaria, and is thought to save 100, 000 lives a year in Africa alone. be said to… 据说…… be reported to… 据报道…… be believed to… 据信…… be claimed to… 据声称…… be announced to… 据宣布…… 【点拨】 sb. /sth. is thought/said/reported to do/have done… =It is thought/said/reported that… 动词不定式有时态和语态的变化 e.g. They are said to have saved quantities of natural resources in this way. =It is said that they have saved quantities of natural resources in this way. 据说他们用这种方法节约了大量的自然资源。 【语境应用】 I. 单句语法填空。 Her discovery is thought _____ tens of millions of lives all over the world. II. 句型转化。 It is thought that the tradition dates back to the Ming Dynasty. The tradition _____ back to Ming Dynasty. to have saved is thought to date Ⅲ.翻译句子。 1) 据说他在一家大出版公司当编辑。 He is said to work as an editor in a big publishing company. 2) 据报道，这位建筑师赢得了许多国际奖项。 The architect is reported to have won many international awards. 2. Tu Youyou, a committed and patient scientist, was born in Ningbo, China, on 30 December 1930, and graduated from Peking University Medical School in ... ...
