◎ 题干
Buying a mobile phone for personal use is not an easy job because technology _____ so rapidly.

A. is changing
B. has changed
C. will have changed
D. will change
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Buying a mobile phone for personal use is not an easy job because technology _____ so rapidly. [ ]A. is changing B. has changedC. will have changed D. will …”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。