皮皮学，免费搜题
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【单选题】
血浆胶体渗透压降低时可引起A.
组织间液减少
B.
组织间液增多
C.
尿少
D.
红细胞萎缩
E.
红细胞膨胀或破裂
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皮皮学刷刷变学霸
举一反三
【单选题】Highland, bagpipe, kilt and Edinburgh may associate you well enough with ______.
A.
Wales
B.
England
C.
Scotland
D.
Northern Ireland
【单选题】If a child is bitten or startled several times by a dog, he may learn to associate furry (有毛皮的) animals with pain or startle and thus develop a fear of furry animals. This is a typical example of lear...
A.
classical conditioning
B.
operant conditioning
C.
both A and B
D.
neither A nor B
【单选题】下列关于核酸分子杂交的叙述哪一项是错误的
A.
不同来源的两条单链 DNA, 只要它们有大致相同的互补碱基顺序 , 它们就可结形成新的杂交 DNA 双螺旋
B.
DNA 单链也可与相同或几乎相同的互补碱基 RNA 链杂交形成双螺旋
C.
RNA 链可与其编码的多肽链结合形成杂交分子
D.
杂交技术可用于核酸结构与功能的研究
E.
杂交技术可用于基因工程的研究
【单选题】If a child is bitten or startled several times by a dog, he may learn to associate furry animals with pain or startle and thus develop a fear of furry animals. This is a typical example of learning th...
A.
classical conditioning
B.
operant conditioning
C.
both of them
D.
neither of them
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