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【单选题】
( ☆☆☆ 2013 • 湖北仙桃 ) 2013 年 5 月 26 日,中国羽毛球队蝉联苏迪曼杯团体赛冠军,成就了首个五连冠霸业.比赛中羽毛球的某次运动路线可以看作是一条抛物线(如图).若不考虑外力因素,羽毛球行进高度 y (米)与水平距离 x (米)之间满足关系 ,则羽毛球飞出的水平距离为 米.A.
4
B.
5
C.
6
D.
8
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【单选题】Misty has the option of purchasing one of three products: Brand A, Brand B, or Brand C. Each costs ten dollars. If she decides that Brand A meets her needs best, then the opportunity cost of this deci...
A.
Brand B plus Brand C.
B.
twenty dollars.
C.
Brand
D.
Brand B or Brand C, depending on which is considered the highest-value alternative forgone.
【单选题】The English poet ______ is best known for his works The Canterbury Tales.
A.
William Langland
B.
Geoffrey Chaucer
C.
John of Gaunt
D.
John Wycliffe
【简答题】A．grading B．rating C．estimating D．measuring
【判断题】One of the reasons for building a distributed system is that some applications are inherently distributed.
A.
正确
B.
错误
【单选题】In measuring system resolver is a kind of ( ).
A.
transducer of measuring linear displacement
B.
transducer of measuring angular displacement
C.
micro driving motor
D.
a rotatransformer
【简答题】equ,equi 表示—
【单选题】These are just some of the reasons why I find the film compelling . ( necessary necessity )
A.
mysterious
B.
attractive
【单选题】The writer opened the wallet because he wanted to______in it.
A.
find some money
B.
find some gold
C.
find the owner's name
D.
find the owner's photograph
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