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【单选题】
航空快运中一项必不可少的单据是( )。A.
CCA
B.
IRP
C.
POD
D.
AWA
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举一反三
【单选题】We must keep up with the times by absorbing new information.Otherwise,We will be _____ by those with up-to-date knowledge.
A.
supported
B.
criticism
C.
strengthened
D.
replaced
【简答题】已知数列 是一个公差大于0的等差数列，且满足 , . (Ⅰ)求数列 的通项公式； （Ⅱ）若数列 和数列 满足等式： = ，求数列 的前n项和
【简答题】To keep up with the pace of globalization, we must keep ourselves ________ ( 具备) a good command of English.
【单选题】We must keep up with the times by absorbing new information.Otherwise,we will be by those with up-to-date knowledge.
A.
supported
B.
criticized
C.
strengthened
D.
replaced
【单选题】The support of the students ______ the losing team and they played harder, so in the end they won the game.
A.
brought up
B.
made up
C.
cheered up
D.
turned up
【单选题】They tried several times to the problem, and in the end they succeeded.
A.
give up
B.
work out
C.
look through
D.
think of
【单选题】The support of the students _____________ the losing team and they played harder, so in the end they won the game.
A.
brought up
B.
cheered up
C.
grew up
D.
turned up
【简答题】已知数列1, , , ,…的一个通项公式是a n =_________.
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