Unit 6 知识清单+巩固练习-2021-2022学年高一上学期英语外研版（2019）必修第一册

外研社最新版高一英语新教材必修一Unit 6知识清单+巩固练习 2 *** 知识清单***  Unit 6 At one with nature 一、词形变换 1．complete v．完成 →completion n．完成，结束 →completive adj.完整的 →completely adv.完整地，完全地 2．design v．设计 →designed adj.设计好的 →designer n．设计师 3．harm v．伤害，损害 →harmful adj.有害的 →harmless adj.无害的 4．agriculture n．农业 →agricultural adj.农业的 5．prevent v．阻挡，防止 →prevention n．预防，防范 6．harmony n．融洽相处，和谐 →harmonious adj.和谐的 二、重点单词和短语 prevent v.防止，阻挡 The flat terraces catch the rainwater and prevent the soil from being washed away. 平坦的梯田可以收集雨水，防止土壤被冲走。 [例]　Bad weather prevented me from setting out to enjoy the holiday. 恶劣的天气使我不能动身去度假。 [知识拓展] (1)prevent...(from)doing sth.　阻止……做某事 (2)与“prevent...(from)doing sth.”意义相近的短语还有：stop...(from)doing sth.；keep...from doing sth. (3)以上短语用于主动语态时，“prevent...from doing sth.”与“stop...from doing sth.”中的from可省略，而“keep...from doing sth.”中的from不能省略。“keep...doing”意为“让……一直做某事”。所以用于被动语态时，这三个短语中的from都不能省略。 in harmony with...与……和谐相处 But perhaps what is most significant is the way in which people have worked in h