2019-2020学年北师大版高中英语选修8创新教案:Unit 24 Section 4
2019-2020学年北师大版高中英语选修8创新教案:Unit 24 Section 4第1页

  

  

    

  Ⅰ.根据词性及汉语意思写出单词

  1.opportunity n. 机会

  2.milestone n. 里程碑,重大事件

  3.represent v. 代表,象征

  4.afford v. 买得起,支付得起

  5.undergo v. 遭受,历经(困难,变故等)

  6.ensure v. 担保,保证

  7.civilization n.文明→civilize v.使文明→civilized adj.文明的,开化的

  8.occur v.发生→occurrence n.发生,事件

  9.pollution n. 污染→pollute v.污染

  Ⅱ.用所给词的适当形式填空

  1.The investor has invested his life savings in public transport. (invest)

  2.Now is a time of rapid and revolutionary change, and a _revolution in information technology is taking place in our country. (revolution)

  Ⅲ.补全短语

  1.for the first time 首次,第一次

  2.add ... to ... 把......加入......

  3.contribute ... to ... 把......捐献给......

  4.to start with 首先,第一

  5.be based on 基于

  6.used to do sth. 过去常常做某事

  7.in search of 搜寻,寻找

  8.lead to 导致;通向

  9.transform ... into ... 把......转变成......

  10.close down (工厂等)倒闭,关闭