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【单选题】
形成电位的主要因素A.
K+内流
B.
Cl一内流
C.
Na+内流.
D.
K+外流
E.
Ca2+ 内流
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皮皮学刷刷变学霸
举一反三
【单选题】Research into new technologies provides a
A.
negative externality, and too few resources are devoted to research as a result.
B.
negative externality, and too many resources are devoted to research as a result.
C.
positive externality, and too few resources are devoted to research as a result.
D.
positive externality, and too many resources are devoted to research as a result.
【简答题】The new trend in artificial intelce research stems from
【单选题】给家兔静脉注射25%葡萄糖10 ml后尿量增加,其原因是
A.
抗利尿激素分泌减少
B.
肾小球滤过率增加
C.
肾血浆晶体渗透压增高
D.
肾小管液溶质浓度增高
E.
肾血流量增多
【单选题】The major contribution of this study is to ______.
A.
develop a new research technique easily transferred from one area to another
B.
make a comprehensive analysis of juvenile delinquency
C.
demonstrate the successful application of new research techniques in a new area
D.
modify creatively the previous research finding of juvenile delinquency
【单选题】请根据短文内容，回答题。 New Research Lights the Way to Super-fast Computers (1) New research published today in the journal Nature Communications, has demonstrated how glass can be manipulated to create a materi...
A.
Expectation of the discovery
B.
The problem of current computers
C.
A new finding
D.
The purpose of the research
E.
Public reaction to the discovery
F.
The use of the new material
【简答题】The new economic research will not put an end to that dispute.
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