皮皮学,免费搜题
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搜题
【单选题】
下列细胞来源于血液中的B淋巴细胞的为
A.
成纤维细胞
B.
巨噬细胞
C.
浆细胞
D.
肥大细胞
E.
脂肪细胞
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举一反三
【单选题】原总体正态,总体方差已知情况下的平均数的抽样分布服从( )
A.
正态分布
B.
t分布
C.
分布
D.
F分布
【单选题】下列各组元素按电负性大小排列正确的是( )
A.
F>N>O
B.
O>Cl>F
C.
As>P>H
D.
Cl>S>A
【单选题】Which sentence has a different meaning?
A.
Every student studying here has access to the campus library .
B.
The campus library is accessible to every student studying here .
C.
The campus library is inaccessible to students who are studying here.
D.
Every student studying here can enter and use the campus library .
【简答题】No erous goods are allowed to ______________ on the train!
【单选题】原总体正态,总体方差已知情况下的平均数的抽样分布服从()
A.
Z分布
B.
t分布
C.
分布
D.
F分布
【单选题】Which sentence has a mistake in it?
A.
As a grown girl, you should depend on yourself to make a choice for your future.
B.
As a grown girl, you should be independent on yourself to make a choice for your future.
C.
As a grown girl, you should be dependent on yourself to make a choice for your future.
D.
As a grown girl, you should have dependence on yourself to make a choice for your future.
【简答题】No erous goods ______________ allowed to bring on the train!
【多选题】下列各组元素按电负性大小排列正确的是( )
A.
F > O > N
B.
O > Cl > F
C.
As > P > H
D.
Cl > S > As
【简答题】θ 为接触角,当 时,液体不能润湿固体。
【多选题】工程造价的计价层次,包括()。
A.
建设项目总造价
B.
土建工程及安装工程造价
C.
单项工程造价
D.
分部分项工程造价
E.
单位工程造价
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