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【多选题】
飞机的气动操纵面有( )A.
襟翼
B.
方向舵
C.
副翼
D.
升降舵
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【简答题】English is not only the most useful language in the world, but it is also one of the easiest languages to learn and to use.
【简答题】The only __________ is that the software is available only in English and the accent is British or American.
【简答题】Speaking English is not only about using proper grammar, but also about understanding the culture. Here is some important advice to remember when speaking English in the United States. ◆Americans have...
【简答题】成缆模具的孔径( )成缆直径。
【判断题】English is the only official language in Ireland because the majority of people speak it as their mother tongue.
A.
正确
B.
错误
【判断题】English is the only official language in Ireland, because the majority of people speak it as their tongue.
A.
正确
B.
错误
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