◎ 题干
Selecting a mobile phone for personal use is no easy task because technology________so rapidly.
[     ]
A. is changing  
B. has changed
C. will have changed  
D. will change
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“Selecting a mobile phone for personal use is no easy task because technology________so rapidly.[ ]A. is changingB. has changedC. will have changedD. will ch…”主要考查了你对  【现在进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。