铝合金又轻又坚固,所以广 泛地应用于飞机制造工业中。( )
A.Aluminum alloy is light and strong, so that it is widely used in aircraft manufacturing industry. B.Aluminum alloy is light and strong, so that it is seldom used in aircraft manufacturing industry. C.Aluminum alloy is light and strong, so that it is widely used in aircraft maintenance industry.正确答案A
