皮皮学，免费搜题
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【单选题】
蛋白质的能量系数为( )A.
16.7KJ
B.
36.7KJ
C.
4.0KJ
D.
9.0KJ
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】在X线平片显示膀胱区有致密影,呈圆形,椭圆形,同心圆和桑椹形、边缘光整,大小不一,首先应诊断为
A.
静脉石
B.
前列腺结石
C.
输尿管下端结石
D.
膀胱结石
E.
子宫肌瘤钙化
【单选题】In a macroeconomic model without foreign trade or government spending, aggregate demand is the sum of______.
A.
personal saving and private investment
B.
personal saving and personal consumption
C.
personal consumption and personal income
D.
personal consumption and private investment
【单选题】An increase in government spending
A.
increases consumption, increases hours worked, and increases the real wage.
B.
reduces consumption, increases hours worked, and increases the real wage.
C.
reduces consumption, increases hours worked, and reduces the real wage.
D.
reduces consumption, reduces hours worked, and reduces the real wage.
【单选题】An increase in government spending
A.
increases consumption and output.
B.
increases consumption, decreases output.
C.
decreases consumption, increases output.
D.
decreases consumption and output.
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