皮皮学,免费搜题
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搜题
【单选题】
脐平面的皮肤感觉神经是
A.
第9对胸神经
B.
第10对胸神经
C.
第11对胸神经
D.
第12对胸神经
E.
第13对胸神经
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举一反三
【单选题】已知函数y=f(x)的定义域为R,且对任意的x,y∈R都有f(x+y)=f(x)+f(y),则函数y=f(x)是(  )
A.
偶函数
B.
奇函数
C.
既是奇函数又是偶函数
D.
非奇非偶函数
【单选题】前腭突与上颌突及侧腭突之间未联合或部分联合形成
A.
横面裂
B.
斜面裂
C.
上颌裂
D.
腭裂
E.
C+D
【单选题】发动机按照冷却方式不同可以分为:
A.
四冲程发动机和二冲程发动机
B.
单缸发动机和多缸发动机
C.
直列式、V型、W型和水平对置式
D.
风冷发动机和水冷发动机
【简答题】逆向选择(了解)
【判断题】ID3 use information gain as its attribute selection measure. And the attribute with the lowest information gain is chosen as the splitting attribute for note N
A.
正确
B.
错误
【简答题】已知y=f(x)为偶函数,且在[0,+∞)上是减函数,则f(1-x 2 )的增函数区间为______.
【单选题】is the splitting up of the fuel into very small droplets by the fuel injectorforcing fuel at high pressure through small atomizer holes.
A.
Turbulence
B.
Atomization.
C.
Penetration
D.
Performance
【单选题】The rate of absorption of a drug taken orally is found to increase as the dose ingested is increased up to a point where further increases in dose result in no further increases in the rate of absorpt...
A.
Facilitated diffusion
B.
Primary active transport
C.
Restricted diffusion
D.
Secondary active transport
E.
Simple diffusion
【单选题】____is the splitting up of the fuel into very small droplets by the fuel injector forcing fuel at high pressure through small atomizer holes.
A.
turbulence
B.
atomization
C.
penetration
D.
performance
【单选题】______ is the splitting of one lineage into two.
A.
Genesis
B.
Anagenesis
C.
Phylogenesis
D.
Cladogenesis
E.
Neogenesis
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