【題目】Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.

A. will change B. has changed

C. will have changed D. is changing

【答案】D

【解析】試題分析:此處技術(shù)的變化指在一段時間內(nèi)一直進行的變化,故用現(xiàn)在進行時。句意:選一部個人用手機不是一件容易的事情,因為技術(shù)變化很快。

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