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【单选题】
患儿,男,8岁。看电视时喜欢斜视,看书时离书很近,经检查诊断为眼不正。请问眼系统的组成应除外A.
璃体
B.
角膜
C.
虹膜
D.
E.
晶状体
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【简答题】总生产函数(aggregate production function)
【简答题】已知下列反应与其相应的热力学数据： Ca(OH)2+CO 2 (g)====CaCO 3 (s)+H 2 O(l) -898.5 -394.4 -1128.8 -237.1 -560.7 -393.5 -1206.9 285.8 试通过计算说明：
【单选题】The aggregate production function
A.
measures the productivity of labor as leisure decreases.
B.
increases only with increases in productivity.
C.
shows that real GDP can increase because of increased productivity as well as increased labor hours.
D.
cannot show the impacts of productivity improvements.
【简答题】已知下列反应与其相应的热力学数据： Ca(OH)2+CO2(g)===CaCO3(s)+H2O(1) △fGmθ(298．15 K)／(kJ.mol-1)一898．5 —394．4 —1 128．8 —237．1 △fHmθ(298．15 K)／(ki.mol-1)一560．7 —393．5 —1 206．9 —285．8 试通过计算说明： (1)标准状态下，298．15 K时反应的Kθ为多少? ...
【单选题】The production function describes:
A.
the relationship between the quantity of inputs utilized and the quantity of output produced.
B.
how inputs are most profitably used in production.
C.
the most cost-effective method of combining various inputs in the production process.
D.
the relationship between a firm's revenue and its level of production.
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