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题目内容
（兰州工业学院-大学英语二）
1
【单选题】The new aircraft has performde very well in its _tyial.
A、first
B、second
C、core
D、initial
【单选题】The new aircraft has performde very well in its _tyial.
A、first
B、second
C、core
D、initial
参考答案
