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问题 判断题

负荷指令处理器发出的负荷指令对于汽轮机来说，相当于改变机前压力的定值。

答案

参考答案：对

单项选择题

(三)


Informal conversation is an important part of any business relationship, Before you start a discussion, however, make sure you understand which topics are suitable and which are considered taboos in a particular culture. Latin Americans enjoy sharing information about their local history, art, and customs. They expect questions about their family and are sure to show pictures of their children. Yon may feel free to ask similar questions of your Latin American friends. The French think of conversation as an art form, and they enjoy the value of lively discussions as well as disagreements. For them, arguments can be interesting—and they can cover pretty much or any topic—as long as they occur in a respectful and intelligent manner.
In the United States, business people like to discuss a wide range of topics, including opinions about work, family, hobbies, and politics. In Japan, China, and Korea, however, people are much more private. They do not share much about their thoughts, feelings, or emotions because they feel that doing so might take away from the harmonious business relationship they’re trying to build; Middle Easterners are also private about their personal lives and family matters. It is considered rude, for example, to ask a businessman from Saudi Arabia about his wife or children.
As general rule, it’s best not to talk about politics or religion with your business friends. This can get you into trouble, even in the United States, where people hold different views. In addition, discussing one’s salary is usually, considered unsuitable. Sports is typically a friendly subject in most parts of the world, although be careful not to criticize a national sport. Instead, be friendly and praise your host’s team.

Which is typically a friendly topic in most places according to the author

A．Sports.

B．Children.

C．Personal feelings.

D．Families.
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问答题

（1）用CO高温下还原赤铁矿（主要成份Fe2O3）的化学方程式为______．

（2）金属镁着火不能用CO2灭火，因为镁能在CO2中燃烧生成碳和氧化镁．该反应的化学方程式为______，反应基本类型是______．

（3）二氧化碳遇到炽热的碳，反应的化学方程式______．
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