高考英语单元知识点复习Unit 10

unit 10
理解：要点诠释
单词
1.prevent
讲：v.阻止；阻碍；阻挠
常用结构:prevent sb./sth.from doing sth.阻止某人做某事
例:the accident could have been prevented.
这次事故本来是可以防止的。
he is prevented by law from holding a licence.
按法律规定他不得持有执照。
nothing would prevent him speaking out against injustice.
什么也不能阻止他鸣不平。
thanks to the project and the kindness of his family and neighbours,wang lin was able to receive treatment in time to prevent the disease from ruining his health.
由于这项工程以及家人和邻居的热心，王林才能得到及时治疗，以阻止疾病损坏健康。
链接•提示
    该短语中的介词from在主动语态中可以省略，但在被动语态中不能省略；相似动词还有stop,keep等，但keep sb. from doing sth.和keep sb. doing sth.不同。
练:the teacher asked more________to prevent the students’ eyes from ________.
a.to do;injuring                   &n