Unit5 Words and expressions 课件-2022-2023学年高中英语人教版（2019）选择性必修第一册

Words and expressions B4U5 Working the Land 1 hybrid n. 混合动力车;杂交种(动/植); 混血儿;混合物; adj. 混合的；杂种/杂交成的 the father of hybrid rice 2 devote vt. 把…献(给);把…专用于; 专心于 devoted adj.深爱的；忠诚的 devotion n. 奉献; 忠诚; 专心 Your parents are educators, writers and old ____________ friends of our country and our people. Her ____________ (devote) to the job left her with very little free time. devoted devotion 3 devote vt. 把…献(给);把…专用于; 专心于 ①devote A to B 　　　　　 把A用于/献身B;为B付出A ②devote oneself to (doing) sth. 致力/献身/专心于 devoted adj.深爱的；忠诚的 ③be devoted to (doing) sth. 致力/献身/专心于 He continued to work there for almost 50 years, ____________ ____________________________(把他的一生奉献给了国家). The scientist devoted himself to ___________(observe) the behavior of the chimps. _________ (devote) to scientific research , he spends little time with his family. Devoted observing devoting his whole life to his country 4 (2020·全国Ⅰ，书面表达) 我最尊敬的人是袁隆平爷爷，他终生致力于研究杂交水稻。正是他的奉献和无私为他赢得了国内外的诸多赞誉和尊重。 The person I respect most is Grandpa Yuan Longping，who _____________________________________ . It was ___________________________ that had won him much praise and respect both at home and abroad. devoted his whole life to studying hybrid rice his devotion and selflessness 5 shortage n. [C&U]不足; 缺少; 短缺 ①a shortage of 缺乏....... short adj. 短的; 矮的;缺乏的 ②be short of 缺乏 shorten  vt. 缩短；减少 粮食短缺 the food shortage = a shortage of food There is a shortage of fresh water on the island. 同义词：lack 6 tackle vt.解决(难题)/应付(局面)/处理 1) There are three essentially different ways of tackling the problem. 同义词：solve/settle/deal with /do with 7 The b______ is going to explode. How to t______ the c______? omb ackle risis 8 crisis [ˈkraɪsɪs] n.[C] 危机;危急关头 crises [ˈkraɪsi:z] 复数 解决危机 tackle a crisis 金融危机 the financial crisis 9 convince