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【单选题】
It can be inferred from Paragraph One that Boeing and Airbus______.A.
have not suffered from a reduction of new orders until this year
B.
did not compete with each other intensely in the past
C.
used to advertise their success in business at air shows
D.
would have to resolve their rivalry as early as possible
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【简答题】Stonehenge ______________
【单选题】It is suggested in the text that Stonehenge was, completed by______.
A.
people in different historical periods
B.
experts during the late Stone Age
C.
people from different places
D.
experts in various fields
【简答题】十六进制数转换成十进制数0x＝（），二进制数转换成十六进制数10110110B＝0x（），01010110B是个BCD码，它代表的十进数是（）。
【简答题】二进制转十六进制,10110110B=( )
【简答题】简述你对戴明 “ PDCA 循环 ” / 戴明环的理解
【简答题】十六进制数 AAH 转换为十进制数的结果是 ________ ,二进制数 10110110B 转换为十六进制数的结果是 ________ 。
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