Unit 5 Working the Land Using Language 课文填空练习-2023-2024学年高中英语人教版（2019）选择性必修第一册

Unit 5课文复习---Using language I 短语默写 1. 化学杀虫剂 ________________ 2. 人造肥料 ________________ 3. 防治作物病害 ________________ 4. 增加产量 ________________ 5. 随着时间流逝 ________________ 6. 此外 ________________ 7. 依次；反过来 ________________ 8. 导致癌症 ________________ 9. 关键矿物质 ________________ 10. 有机食物 ________________ 11. 没有疾病 ________________ 12. 自然方法 ________________ 13. 更喜欢做某事 ________________ 14. 人工化学物质 ________________ 15. 满足需求 ________________ II 单句语法填空 1. Chemical pesticides and artificial fertilisers ____________ (be) in widespread use in farming since the middle of the 20th century. 2. Over time, however, ______ some scientists have found is that their long-term use can sometimes harm both the land ______ people’s health. 3. For example, pesticides can damage the land by killing not only _________ (harm) bacteria and insects, _______ also helpful ones. 4. This affects the crops ________ (grow) on the land and, in turn, the animals and humans _________ digest them. 5. In fact, some pesticides like DDT have been prohibited in most countries because _____ the damage they cause ____ people and the environment. 6. As for chemical fertilisers, crops ________ (grow) with them usually grow too fast to be rich in nutrition. 7. As an alternative, some farmers have switched to organic farming, and many customers have turned to organic food ________ they shop at the local grocery. 8. Organic farming is simply farming without _________ (use) any chemicals. 9. Organic farmers focus on ________ (keep) their soil rich and free of disease through natural means. 10. For example, many organic farmers use natural waste from animals ______ fertiliser. 11. Organic farmers also use many other methods __________ (produce) rich oil. 12. They often change the kind of crop _______ (grow) in each field every year. 13. ________ different crops are grown is because they put important minerals back into the ground, ________ (make) it ready for the next batch of crops. 14. Organic farme