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【单选题】
When economists speak of markets, they primarily mean:A.
places where production of goods and services take place.
B.
those locations where stocks and bonds of corporations take place.
C.
mechanisms that coordinate actions of buyers and sellers.
D.
the trillions of dollars that change hands in the foreign exchange markets.
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知识点：
皮皮学刷刷变学霸
举一反三
【判断题】flinch is to make a sudden small backward movement when you are shocked by pain or afraid of sth.()
A.
正确
B.
错误
【单选题】以下哪个不是AD-阿尔茨海默病的常用药物治疗?
A.
胆碱酯酶抑制剂-多奈哌齐、他克林、石杉碱甲
B.
兴奋性氨基酸受体拮抗剂：盐酸美金刚
C.
改善脑代谢药：去氢麦角碱甲磺酸盐和呲拉西坦
D.
神经保护药：维生素E和雌激素。
E.
金刚烷胺
【简答题】Movement from one racial role to another usually involves learning the secrets of the new status.
【多选题】The historical background of the New Culture Movement includes the following events:
A.
the Opium War
B.
the Hundred Days’ Reform
C.
Westernization movement
D.
establishing the Republic of China
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