阿摩線上測驗
34 What is the main idea of this passage?
(A)Modern technology helps prevent many crimes.
(B)Law enforcement is the foundation of social security.
(C)The newest kind of fingerprint testing helps solve crimes.
(D)The police should do something to prevent crimes, especially murders.
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統計： A(152), B(48), C(644), D(24), E(0) #1571197
統計： A(152), B(48), C(644), D(24), E(0) #1571197
