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【单选题】
自主进口量的增加将使( )。A.
LM曲线向右移
B.
IS曲线向右移
C.
IS曲线向左移
D.
IS曲线无变化
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举一反三
【单选题】Red-feather belts are the only acceptable specie for______.
A.
any kind of commerce
B.
certain traditional purchases
C.
new red-feather belts
D.
accumulating wealth
【单选题】The price-specie-flow mechanism
A.
is an automatic mechanism for assuring external balance under floating exchange rates.
B.
is an automatic mechanism for assuring external balance under the gold standard.
C.
is an automatic mechanism for assuring internal balance under floating exchange rates.
D.
is an automatic mechanism for assuring internal balance under the gold standard.
E.
is an automatic mechanism for assuring internal balance under mercantilism.
【简答题】The way that O2 and CO2 pass through the red blood cell membrane is ( ); the process of neurotransmitter release belongs to ( )
【多选题】西餐宴会上关于女主人的行为，表述正确的有( )。
A.
女主人就座其他人才能就座，女主人打开餐巾表示宴会开始
B.
在西餐宴会上女主人是第一次序
C.
女主人把餐巾放在桌子上表示宴会结束
D.
女主人拿起刀叉其他人才可以吃
【单选题】The function of 2,3-BPG in red blood cells is
A.
lowering hemoglobin affinity for oxygen
B.
maintaining normal operation of the calcium pump on the red blood cell membrane
C.
m aintaining red blood cell volume and biconcave shape
D.
lowering hemoglobin affinity for CO 2
E.
increasing hemoglobin affinity for oxygen
【简答题】Low taxes which encourage business activity.() () c () n () () v () s __________
【单选题】Which of the following ways does O2 and CO2 enter and exit the cell membrane?
A.
Simple diffusion
B.
Facilitated diffusion
C.
Primary active transport
D.
Secondary active transport
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