世界上第一个较为规范的期货交易所是1848年由82位商人在芝加哥发起组建的______。
A. 芝加哥商业交易所
B. 伦敦金属交易所
C. 纽约商业交易所
D. 芝加哥期货交易所
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The need for financial provision______not only to producers but also to consumers.
A. connects
B. links
C. associates
D. relates
The local people could hardly think of any good way to______the disaster of the war.
A. shake off
B. get off
C. put off
D. takeoff
The manager has always attended to the______of important business himself.
A. transaction
B. solution
C. translation
D. stimulation
溶组织内阿米巴生活史各期：致病阶段（）
A. 一核包囊
B. 滋养体
C. 二核包囊
D. 四核包囊
E. 滋养体和包囊
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