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【单选题】
以下说法错误的是A.
偏倚就是系统误差
B.
偏倚主要分为选择、信息、混杂偏倚
C.
入院率偏倚属于选择偏倚
D.
多中心研究方法可以减少入院率偏倚
E.
志愿者偏倚属于混杂偏倚
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【单选题】呼吸道作为环境污染物主要吸收途径的理由,哪项描述是错误的
A.
肺泡的总表观面积很大
B.
肺泡壁很薄
C.
肺泡间毛细血管丰富
D.
吸收的污染物,可不经过肝的转化
E.
气体及蒸气状态污染物多以主动转运的方式进入血流
【单选题】A fiscal action that is triggered by the state of the economy is called
A.
the government expenditure multiplier.
B.
discretionary fiscal policy.
C.
automatic fiscal policy.
D.
generational fiscal policy.
【单选题】A fall in income that results in a decrease in tax revenues is an example of ( ).
A.
automatic fiscal policy
B.
needs-tested tax programs
C.
a recession
D.
discretionary fiscal policy
【单选题】呼吸道是环境污染物主要吸收途径的原因，哪项描述是错误的( )
A.
肺泡的总表观面积很大
B.
肺泡壁很薄
C.
肺泡间毛细血管丰富
D.
吸收的污染物，可不经过肝的转化
E.
气体及蒸汽状态污染物多以主动转运的方式进入血流
【单选题】Which of the following is the term used to describe the offsetting of the effects of intervention in the foreign exchange market on the domestic money supply?______.
A.
Daily intervention
B.
Sterilization
C.
Discretionary monetary policy
D.
Discretionary fiscal policy
【单选题】During the gold standard era, central bankers agreed to react positively to international gold flows so as to reinforce the automatic adjustment mechanism. Which of the following best represents the a...
A.
Income-adjustment mechanism
B.
Price-adjustment mechanism
C.
Rules of the game
D.
Discretionary fiscal policy
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