問題詳情
【題組】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)