2. 外语
  3. During the period 1490—1979 the main progress mentioned in this passage was An invention of an Italian professor

During the period 1490—1979 the main progress mentioned in this passage was An invention of an Italian professor

admin2009-06-24  60
问题 During the period 1490—1979 the main progress mentioned in this passage was
An invention of an Italian professor
选项 A、gave later inventors the idea of moving air around in diving devices.
B、can "clean" the air.
C、was used to remove moisture.
D、was nothing but a plan.
答案D
解析 由第二段中的"The plan did not work，but..."可知答案。
转载请注明原文地址:https://kaotiyun.com/show/eTTd777K
本试题收录于： 公共英语五级笔试题库公共英语（PETS）分类
0

公共英语五级笔试

公共英语（PETS）

相关试题推荐
随机试题
最新回复(0)