阿摩線上測驗
41, What is the purpose of this article?
(A) To illustrate how deadly influenza is
(B) To describe how hard it is to develop a new vaccine
(C) To explain why people need annual flu shots
(D) To praise the contribution of the World Health Organization
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統計： A(2), B(7), C(92), D(2), E(0) #3105229
統計： A(2), B(7), C(92), D(2), E(0) #3105229
