Unit2 Welcome &reading 学案教师版2021-2022学年高一英语译林版必修第二册

B2U2 Be Sporty,be healthy Welcome&Reading 1 .prevent...from 阻止； 制止 Nothing would prevent him from speaking out against injustice. 没有什么能阻止他公开反对不公正。 归纳拓展 prevent+宾语+(from) doing 阻止……做 stop+宾语+(from) doing 阻止……做 keep+宾语+from doing 阻止……做 ban+宾语+from doing 禁止……做 ■特别提醒 在以上结构中， 被动语态里from均不可以省去， 在主动语态中prevent与stop后面的from可省略， 但在keep...from doing结构中的from不能省略。另外，keep sb.doing的意思是“让某人一直做”。 单句语法填空 (1)We should make every effort to prevent school violence from_______(happen). (2) We must do what we can ______(prevent) the rivers from being polluted by factories. (3)By slowly cutting deeper and deeper curves， you prevent the glass______breaking as it changes shape. (4) The laws protect everyone here from______(attack). 答:(1) happening(2)to prevent (3) from(4) being attacked 2. congratulation n.祝贺，恭喜；贺辞；恭贺 Congratulations on your happy marriage! 祝贺你喜结良缘! All of them offered their congratulations to the writer MoYan. 他们都向作家莫言表示了祝贺。 归纳拓展 (1) congratulations to sb.on sth. 祝