43 What’s the main idea of the passage?
(A) Fires occur at night can be fatal.
(B) Fire alarms help save lives.
(C) Smoke alarms need to be cleaned periodically.
(D) An escape plan is needed to protect oneself and one’s family.
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統計: A(17), B(127), C(25), D(17), E(0) #1216978
統計: A(17), B(127), C(25), D(17), E(0) #1216978