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【判断题】
我国铁路桥涵养护维修的基本原则是 预防为主,预防与整治相结合A.
正确
B.
错误
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举一反三
【单选题】Which is correct?
A.
Protein kinase A phosphorylates tyrosine residues.
B.
Protein kinase C is activated by cAMP.
C.
The subunit of Gs proteins that activates adenylyl cyclase is the β-subunit.
D.
Lipid-soluble messengers typically act on receptors in the cell cytosol or nucleus.
E.
The binding site of a typical plasma-membrane receptor for its messenger is located on the cytosolic surface of the receptor.
【多选题】Which description is correct for
A.
f(x)=1/3.
B.
f(x)=1/3.
C.
f(2)=1/3.
D.
f(x) is a discontinuous at x=2.
E.
f(x) is a discontinuous at x=-1.
【单选题】Which sentence is correct for the structure of "has got"?
A.
Its past form is still has got.
B.
In some ways, it has the similar meaning of "has".
C.
When standing for the present perfect form of "get", its negative form must be "doesn't have got".
【多选题】关于可贷资金理论描述正确的是( )
A.
利率取决于货币供求状况,不受投资储蓄因素的影响
B.
可贷资金供给与利率呈正相关关系,可贷资金需求与利率呈反向关系
C.
可贷资金供给与利率呈负相关关系,可贷资金需求与利率呈正相关关系
D.
利率取决于货币供求状况,受投资储蓄因素的影响
E.
利率取决于可贷资金供求状况,也受投资储蓄等因素的影响
【多选题】与货币需求呈负相关的因素是( )12-275、276 4\14
A.
收入水平
B.
非货币性金融资产收益率
C.
货币流通速度
D.
信用的发达程度
E.
社会保障制度的健全性
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