A．They are always made of stone.B．They are painted in bright colors.C．They contain mov
A. They are always made of stone.
B. They are painted in bright colors.
C. They contain moving parts.
D. They make use of holes.
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A．Why the book talks about turbidity currents.B．How winds can affect some ocean curren
A. Why the book talks about turbidity currents.
B. How winds can affect some ocean currents.
C. The causes of underwater earthquakes.
D. What a turbidity current is.
客户的证券买卖委托，如果设有成交，证券经纪商可以不予保存其委托记录。()
A. 正确
B. 错误
合格投资者应当且只能委托托管人向中国结算公司申请开立一个证券账户。()
A. 正确
B. 错误
在国际贸易中，加工贸易常见的基本形式是进料加工和对外加工装配。
A. 正确
B. 错误
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