Selecting a mobile phone for personal use is not an easy task because technology_________ so rapidly.

A．[ A ] is changing

B．[ B ] has changed

C．[ C ] changed 　　在线ψ 考试中心┨

D．[ D ] will change

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参考答案

【考点】动词时态的用法
【解析】本句意为：选择个人使用的手机不是一件容易的事，因为科技在快速发展着。动词的进行时表示动作正在发生和动作的延续性，在此用进行时因为科技总是在迅速发展着。

1 Mike was always speaking highly of his role in the play, _________of course, made the others unhappy.

A．[ A ] who

B．[ B ] which

C．[ C ] that　　在线ψ 考试中心┨

D．[ D ] what

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2 I'm going to the supermarket this afternoon. Do you have anything_________?

A．[ A ] to be buying

B．[ B ] to buy

C．[ C ] for buying　　在线ψ 考试中心┨

D．[ D ] bought

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3 Mary kept weighing herself to see how much_________ she was getting.

A．[ A ] heavier

B．[ B ] heavy　　在线ψ 考试中心┨

C．[ C ] the heavier

D．[ D ] the heaviest

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