問題詳情

34. According to the passage, why is the water bottle, Ecomo, smart?
(A) Because it has a blue light.
(B) Because it has a cheap monitor.
(C) Because it uses a Bluetooth device.
(D) Because it uses a big capacity bottle.

參考答案

答案:C
難度:適中0.52
統計:A(2),B(3),C(13),D(7),E(0)

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