题目内容

64.Acting on behalf of their clients, stock brokers at NASDAQ negotiate with market makers who concentrate on trading specific stocks to reach a price for the stock.

A. 纳斯达克客户、股票经纪人和专营具体股票买卖、确定股票价格的市场期票出票人一同协商。
B. 纳斯达克股票经纪人代表客户与专营具体股票买卖的市场期票出票人协商，以确定股票价格。
C. 纳斯达克股票经纪人代表客户与专营具体股票买卖、确定股票价格的市场期票出票人进行协商。
D. 纳斯达克股票克经纪人代表客户和专营具体股票买卖的市场期票出票人参加协商，以确定股票价格。

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TranslationTranslate the following passage into Chinese.65.Chat rooms vary in topic and in level of conversation. Usually a chat room's name describes the topic people in it are supposed to discuss. Most chat systems have both predefined and user-created chat rooms. When people connect to a chat system, they can choose to participate in the rooms they find interesting or useful.

在定轴转动中，当外力与定轴平行或相交时，对定轴的力矩为0。

A. 对
B. 错

不管外力方向如何，外力对定轴的力矩方向一定沿轴方向。

A. 对
B. 错

刚体的定轴转动定律说明了当刚体受外力矩越大时，角加速度越大，角速度也越大。

A. 对
B. 错