人教版（2019）選擇性必修第一冊(cè)《Unit 5 Working the land Section B》2021年同步練習(xí)卷（課前作業(yè)）

一、單詞拼寫

• 1．Yuan was c

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

  解析

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

  crops.
  組卷：6引用：3難度：0.7

  解析

• 3．The common a

  then was that it could not be done. （根據(jù)首字母單詞拼寫）
  組卷：2引用：1難度：0.6

  解析

二、課文內(nèi)容英譯漢

• 9．Instead，he makes large donations to support agricultural research. （英譯漢）
  組卷：0引用：2難度：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. （英譯漢）
  組卷：1引用：2難度：0.6

  解析