虽然黄金已经非货币化,但世行成员国还可用它缴纳世行份额。()
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Investment banks' role in the financial markets involves______.
A. converting deposits into commercial loans
B. converting secondary securities into primary securities
C. selling and distributing new stocks and bonds
D. buying and selling government securities
A．workB．thoughtC．factD．phenomenon
A. work
B. thought
C. fact
D. phenomenon
按《公路工程质量检验评定标准》(JTGF80／1—2004)的规定，工程质量评定分大于等于()分为优良。
A. 80
B. 85
C. 90
D. 95
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