三羧酸循环的酶位于
A．线粒体外膜B．线粒体内膜C．线粒体膜间腔D．线粒体基质E．线粒体内膜F1-Fo复合体
参考答案：D
An analyst does research about execution mechanisms. With respect to market structures, currencies are most likely traded in a market that is:（）
A. quote driven.
B. brokered.
C. order driven.
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