人教版（2019）选择性必修第一册《Unit 5 Working the land Section B》2021年同步练习卷（课前作业）

一、单词拼写

• 1．Yuan was c

  that the answer could be found in the creation of hybrid rice.
  组卷：8引用：4难度：0.6

  解析

• 2．One characteristic of hybrids is that they usually attain a higher yield than c

  crops.
  组卷：7引用：3难度：0.7

  解析

• 3．The common a

  then was that it could not be done. （根据首字母单词拼写）
  组卷：2引用：1难度：0.6

  解析

二、课文内容英译汉

• 9．Instead，he makes large donations to support agricultural research. （英译汉）
  组卷：0引用：2难度：0.7

  解析

• 10．Despite his advanced years，Yuan Longping is still young at heart and full of vision，and everyone is waiting to see what he will dream up next. （英译汉）
  组卷：1引用：2难度：0.6

  解析