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单选题
波音777飞机与先前的波音系列飞机的不同之处主要在于波音777飞机是电传操纵的。
A
A.The Boeing-777 airplanes are different from the previous Boeing series ones mainly in that they are flown by wires.
B
B.The difference between the Boeing-777 airplanes and the subsequent Boeing series is that they are operated by wires.
C
C.Fly-by-wire is the main difference between Boeing-777 airplanes and the subsequent Boeing series.
答案解析
正确答案：A
解析：
c｜建议A，C的subsequent错误
相关知识点：
波音777与其他飞机区别
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