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【判断题】
企业与政府之间的财务关系体现为一种投资与受资关系。
A.
正确
B.
错误
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【单选题】已知f(x)=(m-1)x 2 +2mx+3为偶函数,则f(x)在(2,5)上是 [ ]
A.
增函数
B.
减函数
C.
有增有减
D.
增减性不确定
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【单选题】.The passengers___at Southampton.
A.
disembarked
B.
embarking
C.
got on
D.
got off
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【简答题】如果一个字符串 str 中不含有 @ ,则运行 str.indexOf(“@”) 后的结果是 ______。
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【单选题】已知偶函数f(x)的定义域为R,且在(-∞,0)上是增函数, M=f( 3 4 ) ,N=f(a 2 -a+1)(a∈R),则M与N的大小关系( )
A.
M≥N
B.
M≤N
C.
M<N
D.
M>N
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【简答题】The crowd at the airport moved forward like waves. The passengers had been waiting for a couple of hours for an airline employee to open the door leading to the plane outside. No one was in a good moo...
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【简答题】A.The traffic jam. B.Constant stopping at bus-stops. C.The rudeness of the passengers on the bus. D.The rude behavior. of the bus driven
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【简答题】已知函数f(x)为R上偶函数,且f(x)在[0,+∞)上的单调递增,记m=f(-1),n=f(a 2 +2a+3),则m与n的大小关系是______.
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【单选题】When the people saw the land, _______________.
A.
only passengers were glad
B.
the sailors had to swim ashore
C.
they were surprised at the news that some ships never arrived
D.
ail of them were excited
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【简答题】已知函数f(x)=a- 是偶函数,a为实常数. (1)求b的值. (2)当a=1时,是否存在n>m>0,使得函数y=f(x)在区间[m,n]上的函数值组成的集合也是[m,n],若存在,求出m,n的值,否则,说明理由.
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【单选题】已知函数f(x)=sin(ωx+φ)(ω>0,0≤φ≤π)是R上的偶函数,其图象关于点 M( 3π 4 ,0) 对称,且在区间 [0, π 2 ] 上是单调函数,则ω的值为( )
A.
1 3 或2
B.
1 3 或 3 2
C.
2 3 或 3 2
D.
2 3 或2
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相关题目:
【单选题】已知f(x)=(m-1)x 2 +2mx+3为偶函数,则f(x)在(2,5)上是 [ ]
A.
增函数
B.
减函数
C.
有增有减
D.
增减性不确定
查看完整题目与答案
【单选题】.The passengers___at Southampton.
A.
disembarked
B.
embarking
C.
got on
D.
got off
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【简答题】如果一个字符串 str 中不含有 @ ,则运行 str.indexOf(“@”) 后的结果是 ______。
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【单选题】已知偶函数f(x)的定义域为R,且在(-∞,0)上是增函数, M=f( 3 4 ) ,N=f(a 2 -a+1)(a∈R),则M与N的大小关系( )
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M≥N
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M≤N
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M<N
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【简答题】The crowd at the airport moved forward like waves. The passengers had been waiting for a couple of hours for an airline employee to open the door leading to the plane outside. No one was in a good moo...
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【简答题】A.The traffic jam. B.Constant stopping at bus-stops. C.The rudeness of the passengers on the bus. D.The rude behavior. of the bus driven
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【简答题】已知函数f(x)为R上偶函数,且f(x)在[0,+∞)上的单调递增,记m=f(-1),n=f(a 2 +2a+3),则m与n的大小关系是______.
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【单选题】When the people saw the land, _______________.
A.
only passengers were glad
B.
the sailors had to swim ashore
C.
they were surprised at the news that some ships never arrived
D.
ail of them were excited
查看完整题目与答案
【简答题】已知函数f(x)=a- 是偶函数,a为实常数. (1)求b的值. (2)当a=1时,是否存在n>m>0,使得函数y=f(x)在区间[m,n]上的函数值组成的集合也是[m,n],若存在,求出m,n的值,否则,说明理由.
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【单选题】已知函数f(x)=sin(ωx+φ)(ω>0,0≤φ≤π)是R上的偶函数,其图象关于点 M( 3π 4 ,0) 对称,且在区间 [0, π 2 ] 上是单调函数,则ω的值为( )
A.
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B.
1 3 或 3 2
C.
2 3 或 3 2
D.
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查看完整题目与答案