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单选题
1049、You can do the test in two different ways: either with the Central Maintenance Computer System via the MCDU, like youhave probably learned already, or with a test switch on the VOR receiver in the avionics compartment.
A
You can do the test following procedures: with the Central Maintenance Computer system by the MCDU, you haveprobably learned already,and with a test switch on the VOR receiver in the avionics compartment.
B
The test can be done in either way below: using the Central Maintenance Computer System via the MCDU, as you haveprobably already learned,or using test switch on the VOR receiver in the avionics compartment.
C
Two controversial ways can be chosen to do the test, either with the Central Maintenance Computer System through a theMCDU like you have probably learned already,and with as test switch on the VOR receiver in the avionics compartment.
答案解析
正确答案：B
解析：
解析:注释:either…or 要么…要么。and 和。
相关知识点：
测试可通过两种方式进行
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