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【简答题】
已知定义域为R的奇函数f(x)满足 f(lo g 2 x)= -x+a x+1 . (1)求函数f(x)的解析式; (2)判断并证明f(x)在定义域R上的单调性; (3)若对任意的t∈R,不等式f(t 2 -2t)+f(2t 2 -k)<0恒成立,求实数k的取值范围.
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举一反三
【单选题】The bank on the buyer's side under a collection arrangement is the_______.
A.
remitting bank
B.
collecting bank
C.
opening bank
D.
notifying bank
【简答题】执行循环语句 for i in range(1,9,2): print(i) 循环体执行的次数是【1】。
【单选题】患者,男性,34岁,突然昏迷,颈动脉摸不到搏动,处理时下列哪项是错误的
A.
立即进行胸外心脏按压
B.
心脏按压的同时行口对口人工呼吸
C.
输液及吸氧
D.
静脉给药
E.
检查心电图确定诊断后再处理
【单选题】The little girl didn't want to ____ with the doll.
A.
stay
B.
give
C.
bend
D.
part
【单选题】关于脊神经哪项描述正确 ( )
A.
共有 31 对
B.
不管理脊髓被膜
C.
各前支均借灰、白交通支与交感干相连
D.
除胸4~ 11 神经前支外,其余各脊神经前支分别交织成丛
【单选题】The parents always kept the little girl out when the father was painting women without any clothes on, because ______.
A.
the girl wasn't old enough to understand what her father was doing
B.
the girl would follow the women's example
C.
the girl was too young to learn to paint
D.
the parents didn't want her to be interested in painting
【单选题】关于脊神经哪项描述正确( )
A.
共有31对
B.
不管理脊髓被膜
C.
后支只含躯体感觉纤维
D.
除胸4~11神经前支外,其余各脊神经前支分别交织成丛
E.
各前支均借灰、白交通支与交感干相连
【单选题】The collection of an account that had been previously written off under the allowance method of accounting for uncollectibles
A.
will increase profit.
B.
will decrease profit.
C.
will not affect profit.
D.
will increase sales.
【单选题】关于脊神经哪项描述正确
A.
共有30对
B.
除胸2~11神经前支外,其余脊神经前支分别交织成丛
C.
后支只含躯体感觉纤维
D.
不管理脊髓被膜
E.
前支均借灰、白交通支与交感干相连
【单选题】关于脊神经哪项描述正确
A.
共有30对
B.
除胸2~11神经前支外,其余各脊神经前支分别交织成丛
C.
后支只含躯体感觉纤维
D.
不管理脊髓被膜
E.
前支均借灰、白交通支与交感干相连
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