【单选题】在维持效用水平不变的前提下,随着一种商品的消费数量的连续增加,消费者为得到一单位的这种商品所需要放弃的另一种商品的消费量是()。
【单选题】He jumps ____ of the three.
【单选题】What was the woman worried about?
A.
She would not survive the disease.
B.
She would not be able to pay for the medical bill.
C.
She would not be able to pay back Dr. Kelly's kindness.
D.
She would not spread her love to other people.
【单选题】He has a______look. He must have many _______. Let us tell him not to . [ ]
A.
worried; worried; worried
B.
worried; worries; worry
C.
worries; worries; worry
【判断题】在维持效用水平或满足程度不变的前提下,消费者增加一单位的某种商品的消费时所需放弃的另一种商品的消费数量,被称为商品的边际替代率。
【单选题】在维持效用水平不变的前提下,消费者为增加一单位某种商品的消费数量时所放弃的另一种商品的消费数量,被称为( )。
【判断题】商品的边际替代率,是指在维持效用水平不变的前提下,消费者增加一单位某种商品的消费数量时所需要放弃的另一种商品的消费数量。
【简答题】What was Jim worried about? Jim was worried about his ______ in the park.