問題詳情
【題組】28. What is the job of an efficiency expert?
(A)Writing articles for periodicals.
(B)Recommending ways of efficient investment.
(C)Examining the quality of a company’s products.
(D)Teaching people how to take care of their yard.
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)