問題詳情

39 題至第 42 題：On August 2, an Air France jet crashed on landing at Toronto's Pearson International Airport. Fortunately, a tragedywas averted and all 309 passengers and crew members escaped. While the investigation is still underway, safety officialshave credited fire-resistant materials in the plane as a key factor in preventing loss of life. According to the WashingtonPost, safety officials said "the fire-retardant material now required in aircraft cabins may have helped slow the spread offlames and smoke, enabling all crew members and passengers to escape." The Post noted the plane was subject to "newregulations requiring fire-retardant treatment of seat cushions, carpet and other materials." This is just the latest dramaticexample of how flame retardants save lives. Whether in protective clothing, furniture, mattresses, television sets orairplanes, flame retardants work silently to protect the public and fire fighters and reduce injuries and property damagefrom fires.
39 What is the main idea of the passage?
(A) An Air France jet crashed at Toronto’s Pearson International Airport.
(B) Washington Post reported the plane crash at the Toronto Airport.
(C) Fire-retardant materials are now required in aircraft cabins.
(D) Flame retardant materials can help save lives.

參考答案

答案：D
難度：適中0.555556
統計：A(0),B(1),C(6),D(10),E(0)

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