Unit 5 Learning About Language 课件-2023-2024学年高二英语人教版（2019）选择性必修第一册

人教版（2019）选择性必修一 Unit 5 Working the Land Learning About Language Build up your vocabulary Learning objectives By the end of this section, you will be able to: 1. explain the meaning of new words in English, such as tackle, devote, and overcome; 2. understand and practise new words in context; 3. grasp more words by building word network; 4. learn about urban farms that changed from a vast underground shelter in London. Let’s review key words and phrases we have learned. As a witness to farmers’ poor harvests and even a severe _________ of food, Yuan Longping was determined to _____ his life to ______ this crisis. After graduation, he realised that what farmers needed most was to boost yields in the fields. Yuan ___ ________ that the answer lay in the creation of hybrid rice, one characteristic of which is that it usually achieves higher output than __________ crops. However, it was no easy job. The first difficulty he needed to _______ was scientists’ general _________ that this could not be done. Through _____ effort, Yuan managed to ______ this incredible crop. It is estimated that about 60 percent of domestic rice consumption in China is ________ of crops generated from Yuan’s hybrid strains. His innovation has enabled Chinese farmers to considerably _____ their output and helped feed the world. Unwilling to retire early to a life of _____ and unconcerned about ______ or fortune, Yuan continued to turn one _____ after another into realities. was devote shortage tackling convinced conventional overcome assumption intense generate comprised expand leisure celebrity vision Replace the underlined words with the correct forms of the words from the text. devotes tackle was (strongly) convinced overcame expand leisure 1. To deal with this crisis, he chose to study agriculture. 2. He is a very good actor and he commits himself to every role that he takes on. 3. Yuan Longping strongly believed that the answer could be found in the creation of hybrid rice. 4. Yu