2. 外语
  3. A theory often involves an imaginary model that helps scientists picture the way an observed event could (produce) ______.

A theory often involves an imaginary model that helps scientists picture the way an observed event could (produce) ______.

admin2014-10-09  29
问题 A theory often involves an imaginary model that helps scientists picture the way an observed event could (produce) ______.
选项
答案be produced
解析 本题考查动词的语态变化。在修饰the way的定语从句中，主语an observed event与谓语produce之间存在逻辑上的被动关系，需要使用produce的被动式：况且跟在情态动词could的后面，所以用be produced。
转载请注明原文地址:https://kaotiyun.com/show/piYK777K
本试题收录于： 大学英语三级A级题库大学英语三级分类
0

大学英语三级A级

大学英语三级

相关试题推荐
随机试题
最新回复(0)