职称英语职称英语理工类2012年职称英语考试理工类C级试题
题目内容

What happened after the Wright brothers' success、

2024-07-09

A.People carried out a systematic study on pigeons.

B.People could fly their airplane for fun.

C.People kept their airplane at a French gallery.

D.People studied more animals and plants to develop the airplan

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