【单选题】Samara's income is $30 a month and she spends all of it on music downloads and gasoline. The price of a music download is $3 and the price of a gallon of gasoline is $3. At Samara's best affordable po...
D.
More information is needed to determine the marginal rate of substitution.
【单选题】The table above shows the situation in the gasoline market in Tulsa, Oklahoma. If the price of a gallon of gasoline is $3.73, then
A.
there is a surplus of gasoline in Tulsa.
B.
there is a shortage of gasoline in Tulsa.
C.
the gasoline market in Tulsa is in equilibrium.
D.
without more information we cannot determine if there is a surplus, a shortage, or an equilibrium in the gasoline market in Tulsa.
E.
there is neither a surplus nor a shortage, but the market is NOT in equilibrium.
【判断题】A gallon of gasoline weighs 6 pounds.
【单选题】The rate at which Sam is willing to give up a gallon of gasoline to get one more pound of coffee, and remain on the same indifference curve is called his
A.
opportunity cost of coffee.
B.
opportunity cost of gasoline.
C.
personal price of coffee.
D.
marginal rate of substitution.
【简答题】恶性肿瘤是一种严重威胁人类健康的常见病和多发病,人类因恶性肿瘤而引起的死亡率居所有疾病死亡率的第2位,仅次于心脑血管疾病。氮芥类药物属于A、烷化剂 B、抗代谢药物 C、抗肿瘤抗生素 D、天然抗肿瘤药物 E、金属铂类抗肿瘤药物 半合成得到的紫杉烷类抗肿瘤药是A、长春瑞滨 B、多西他赛 C、奥沙利铂 D、吉西他滨 E、去氧氟尿苷 具有亚硝基脲结构的是A、美 B、巯嘌呤 C、塞替派 D、卡莫司汀 E...
【单选题】The rate at which a person is willing to give up a gallon of gasoline to get one more pound of coffee and remain on the same indifference curve is called his or her
A.
relative cost of coffee in terms of gasoline.
B.
indifference cost of coffee.
C.
personal price of coffee.
D.
marginal rate of substitution.
【单选题】对于盒中内容的显示描述错误的是
A.
text-pverflow属性可以隐藏整个盒模型
B.
可以通过overflow属性来设置盒中容纳不下的内容的显示
C.
overflow-x用以单独指定水平方向上超出盒的容纳范围时内容的显示方法
D.
overflow-Y用以单独指定垂直方向上超出盒的容纳范围时内容的显示方法
【单选题】The table above shows the situation in the gasoline market in Tulsa, Oklahoma. If the price of a gallon of gasoline is $3.62, then
A.
there is a surplus of gasoline in Tulsa.
B.
there is a shortage of gasoline in Tulsa.
C.
the gasoline market in Tulsa is in equilibrium.
D.
without more information we cannot determine if there is a surplus, a shortage, or an equilibrium in the gasoline market in Tulsa.
E.
there is neither a surplus nor a shortage, but the market is NOT in equilibrium.