Handheld devices, such as cellphones, smartphones, portable computers and other wireless devices, make up the growing mobile device market.

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Handheld devices, such as cellphones, smartphones, portable computers and other wireless devices, make up the growing mobile device market.

A.正确

B.错误

正确答案：A

Tag：商务英语视听说时间：2021-05-06 20:48:11

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