题目内容:
The immediate cause of the crash of Colgan Air Flight 3407is __________.
A.the captain was chitchatting with the first officer B.thc young first officer had little experience dealing with icyconditions
C.both the captain and the first officer were quite tired after along-time journey
D.the captain Marvin Renslow's mistaken operation
参考答案:
答案解析: