2023-05-22
将“弹性”这一概念引入经济学领域研究的经济学家是（）
A.杰文斯
B.瓦尔拉斯
C.马歇尔
D.威克赛尔
C
A procedure that allows a physician to look into the bladder and examine its interior is termed a（）.
2024-01-13 竞赛及其他题库
A specialist in diseases of the lower urinary tract， bladder and urethra， is called a（）.
adrenal gland
pituitary gland
secretion
pineal
thyroid gland
thalamus
thymus gland
glucose
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