問題詳情

34. A new kind of electrical meter will be installed in this city,_ smart enough to engage intwo-way communications with the power plant.
(A) one
(B) whicfi
(C) what
(D) that

參考答案

答案：A
難度：非常困難0.117647
統計：A(4),B(19),C(7),D(3),E(0)