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【多选题】
传统的国际贸易理论主要解决以下问题()A.
国际贸易产生的原因
B.
贸易的流向
C.
国际交换的比率
D.
贸易对不同利益集团的影响
E.
贸易的利益
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反馈参考答案：
举一反三
【单选题】L isten to the transmission or short exchange and choose the correct answer .
A.
Join right hand downwind at 3000ft
B.
Join right hand downwind at 2500ft
C.
Join left hand downwind at 3000ft
D.
Join left hand downwind at 2500ft
【单选题】L isten to the transmission or short exchange and choose the correct answer .
A.
For spacing
B.
For separation
C.
Due sequence
D.
Due traffic
【单选题】L isten to the transmission or short exchange and choose the correct answer .
A.
Backtrack and vacate runway 04
B.
Turn left onto taxiway A4 proceed to C3
C.
Via A3 and C4.
D.
Via A3 and C3.
【单选题】L isten to the transmission or short exchange and choose the correct answer .
A.
Backtrack and vacate runway 04
B.
Backtrack runway vacate via exit 4
C.
Vacate via taxiway B3 and D2
D.
Vacate via taxiway B2 and D3
【简答题】L isten to the recording and choose the correct letter, A , B , or C .
【单选题】L isten to the transmission or short exchange and choose the correct answer .
A.
Take the first right
B.
Take the first left
C.
Via taxiway C
D.
Via taxiway D
【简答题】若多项式2mx 2 -x 2 +5x+8-（7x 2 -3y+5x）的值与x无关，求m 2 -[2m 2 -（5m-4）+m]的值．
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