49. [ ] What is the passage mainly about?
(A) Promoting the benefits of blueberries.
(B) People should only eat superfoods.
(C) Introducing superfoods.
(D) A way to keep fit.

參考答案

答案:C
難度:非常簡單1
統計:A(0),B(0),C(3),D(0),E(0)

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