5 A caller speaks into a cell phone, and it picks ....... his or her voice, transforming the sound into radio waves.
(A) at
(B) out
(C) over
(D) up

答案：D
難度： 簡單

最佳解!
	pretest 高三下 (2016/12/05) A caller speaks into ☆ ☆☆☆☆ ... (內容隱藏中) 查看隱藏文字

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