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单选题
542.Utilizing an airplane as intended by the manufacturer, combined with sound inspection and maintenance practices,forms the basis for assuring the airplane remains airworthy and safe to operate ( )
A
The airworthiness and safe operation of an airplane is assured if it＇s used as its original design purpose, properly inspected and carefully maintained.
B
The manufacturer is intended to utilize an airplane with sound inspection and maintenance practices because that is the basis for assuring the airplane remains airworthy and safe to operate.
C
The airplane is designed to be used as the manufacturer＇s intention. Users shall properly inspect the airplane and do sufficient maintenance to assure its airworthiness and operation safety.
答案解析
正确答案：C
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