Jupyter Notebook 不具备的功能是（）
A. Jupyter Notebook 可以直接生成一份交互式文档
B. Jupyter Notebook 可以安装Python 库
C. Jupyter Notebook 可以导出HTML 文件
D. Jupyter Notebook 可以将文件分享给他人
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作为Java应用程序入口的main方法，其声明格式是（）
A. public static int main（String args[]）
B. public static void main（String args[]）
C. public void main（String args[]）
D. public int main（String args[]）
The inverse demand function for video games is p = 240 – 2q and the inverse supply is p = 3+q. When the government imposes a $6 tax on each video game purchased（）
A. both consumers’ surplus and producers’ surplus fall
B. both consumers’ surplus and producers’ surplus increase
C. consumers’ surplus increases and producers’ surplus falls
D. consumers’ surplus falls and producers’ surplus increases
Regardless of her income and regardless of prices, Amy always spends 45% of her income on clothing and food, 15% on transportation, and 40% on entertainment. This behavior is consistent with the follo
All goods are perfect substitutes
B. Amy’s demands for commodities do not change when their prices change
C. Amy consumes all goods in fixed proportions
D. Amy has a Cobb-Douglas utility function
You are consuming two goods, hamburgers and soft drink. At your current bundle, the marginal utility you would gain from spending an extra dollar on hamburgers is higher than the marginal utility you
A. It depends on how much income you have
B. Purchase more hamburgers
C. Purchase more soft drink
Don’t change your purchases; you are already consuming the optimal bundle
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