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【判断题】
涉外礼仪的基本内容，就是国际交往惯例（）A.
正确
B.
错误
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【简答题】Within the national government, power is divided among three branches: ______, ______, and ______ branches. I. The legislative branch consists of Congress, which has two parts: ______ and______. Congr...
【简答题】某种由甲烷和氮气组成的天然气，已知其摩尔分数 ， 。现将它从1MPa，220K可逆绝热压缩到10MPa。试计算该过程的终态温度、熵变化以及各组成气体的熵变。设该混合气体可按定值比热容理想混合气体计算，已知甲烷的摩尔定丘热容 ，氮气的为 。
【简答题】Read
Para. 1 and
answer the following questions. 1. What kinds of people are described as heroes today?
【单选题】In the United States, the head of the executive branch is______.
A.
the Congress
B.
the Supreme Court
C.
the Prime Minister
D.
the President
【判断题】The executive branch of the Government is responsible for enforcing the laws of the land.
A.
正确
B.
错误
【单选题】The head of the executive branch in New Zealand is ______.
A.
the President.
B.
the Governor-General.
C.
the British monarch.
D.
the Prime Minister.
【简答题】汽车尾气里含有的NO气体是由于内燃机燃烧的高温引起氮气和氧气反应所致： N 2 (g)＋O 2 (g) 2NO(g) ΔH，已知该反应在 T ℃时，平衡常数K＝9.0。 请回答： （1）已知：N 2 (g)+2O 2 (g) 2NO 2 (g) ΔH 1 2NO 2 (g) O 2 +2NO(g) ΔH 2 ΔH= （用含ΔH 1 、ΔH 2 的表达式表示）； （2）某温度下，向2 L的密闭容器中...
【判断题】The executive branch of the federal government is officially known as the Administration.
A.
正确
B.
错误
【简答题】The executive branch consists of_departments
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