All equipment in an aircraft must______.A.be tested to destructionB.not be too light in we

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All equipment in an aircraft must______.

A.be tested to destruction

B.not be too light in weight

C.work especially well at high temperatures

D.work perfectly within a wide range of temperatures

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  • 正确答案:D
    解析:本题询问飞机的仪器设备在温度方面的要求。相关信息在文章第五段,关键语句为“Theflyingcontrols,theelectricalequipment,thefireprecautions,etc.mustnotonlybelightinweight,butmustworkbothathighaltitudeswherethetemperaturemaybebelowfreezingpointandinthehotairof