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单选题
231.关于以下A330飞机起落架系统计算机描述正确的是( )which description for the computer of landing gear system of A330 is correct?
A
有两部LGCIU,当起落架手柄选择UP位时做工作交换;有一部双通道的BSCU,当起落架手柄选择DOWN位时做工作交换There are two LGCIU, when the landing gear lever selector in UP position them two computer doing work exchange; there is a dual channel BSCU, when the landing gear lever selector in DOWN them two channel doing work exchange
B
有一部双通道的LGCIU,当起落架手柄选择UP位时做工作交换;有一部双通道的BSCU,当起落架手柄选择DOWN位时做工作交换There is a dual channel LGCIU, when the landing gear lever selector in UP position them two channel doing work exchange; there is a dual channel BSCU, when the landing gear lever selector in DOWN position the two channel doing work exchange
C
有两部LGCIU,当起落架手柄选择UP位时做工作交换;有两部BSCU,当起落架手柄选择DOWN位时做工作交换There are two LGCIU, when the landing gear lever selector in UP position the two computer doing work exchange; two BSCU, when the landing gear lever selector in DOWN position the two computer doing work exchange
答案解析
正确答案：A
解析：
题目解析
正确答案：A
解析：根据题目描述，A330飞机起落架系统有两部LGCIU，当起落架手柄选择UP位时它们做工作交换；还有一部双通道的BSCU，当起落架手柄选择DOWN位时它们做工作交换。选项A中的描述与此相符，因此选项A为正确答案。
注意：在选项A中，描述中的 "them two computer" 应该修正为 "the two computers" 才更准确。
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