2. 外语
  3. The fifth generation computers, with artificial intelligence, ______and perfected now.

The fifth generation computers, with artificial intelligence, ______and perfected now.

admin2013-04-22  99
问题 The fifth generation computers, with artificial intelligence, ______and perfected now.
选项 A、developed
B、have developed
C、are being developed
D、will have been developed
答案C
解析 根据题干，所填空的语态应是被动语态，所以排除[A]和[B]。句尾的now提示应选择现在进行时的被动式，故答案为[C]。
转载请注明原文地址:https://www.kaotiyun.com/show/6EQK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)