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【简答题】
f（n）= 6×2 n +n 2 ，f（n）的渐进性态f（n）=（）
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】矢量图形和位图图像的最本质的区别是()
A.
位图是像素点阵的描述面图形是由数学公式来描述的
B.
位图文件大，图形文件小
C.
图形能表达精硫细微的颜色变化
D.
位图能比图形更精确地表示尺寸
【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】To keep up with the pace of globalization, we must keep ourselves ________ ( 具备) a good command of English.
【单选题】矢量图形和位图图像的最本质的区别是 __________ 。
A.
位图是像素点阵的描述而图形是由数学公式来描述的
B.
位图文件大，图形文件小
C.
图形能表达精确细微的颜色变化
D.
位图能比图形更精确地表示尺寸
【单选题】___the end they succeeded in finishing the task _____ the end of June.
A.
At; at
B.
In; in
C.
In; at
D.
At; in
【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
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