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【单选题】
设复数z= 2i 1-i ，则 . z =（ ）A.
1+i
B.
1-i
C.
-1+i
D.
-1-i
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反馈参考答案：
举一反三
【简答题】There is an ad___________ for our new product in the local newspaper.
【单选题】There is an ad that shows a photo of a fashionable blonde sheathed in a clingy black dress, an ATM-card-size camera suspended like a necklace. Which Company takes this ad?
A.
Canon
B.
Sony
C.
Nokia
D.
Casio
【简答题】There is an ad___________ for our new product in the local newspaper.
【单选题】( )allows ships to avoid traveling around the entire containent of Africa when they are going from Persian Gulf to Europe.
A.
The Panama C
B.
The Bosporus Strait in Turky
C.
The Suez C
D.
The Strait of Malacca
【单选题】There is an ad( ) for our new product in the local newspaper.
A.
advertising
B.
advertise
C.
advertisement
D.
advertised
【单选题】There is an ad that shows a photo of a fashionable blonde sheathed in clingy black dress, an ATM- card-size earners suspended like a necklace. Which Company takes this ad?
A.
Canon.
B.
Sony.
C.
Nokis.
D.
Casio.
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