拍一张自己的礼仪坐姿,将照片上传。并说明你采用了哪种坐姿。有哪些注意事项。...

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【简答题】

拍一张自己的礼仪坐姿,将照片上传。并说明你采用了哪种坐姿。有哪些注意事项。

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参考答案：

举一反三

【单选题】以下自发反应可用焓判据来解释的是（）

硝酸铵自发溶于水

2N 2 O(g)===4NO 2 (g) + O 2 (g)△H=+56.7kJ/mol

(NH 4 ) 2 CO 3 (s)===NH 4 HCO 3 (s) ＋ NH 3 (g)△H=+74.9kJ/mol

2H 2 (g) ＋ O 2 (g)===2H 2 O(l)△H='-285.8kJ/mol'

查看完整题目与答案

【多选题】工作中的陈列师是

企业、服装设计师和消费者之间的桥梁

商业运作中的一环

传递梦想的人

极具商业敏感度和管理才能的艺术工作者

查看完整题目与答案

【简答题】A．The judgment of distance. B．The sense of judgment. C．The skill of maneuvering. D．The size of vehicles.

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【单选题】以下自发反应可用焓判据来解释的是 [ ]

硝酸铵自发地溶于水

2N 2 O 5 (g) 4NO 2 (g)+O 2 (g) ΔH=+56 . 7 kJ/mol

(NH4) 2 CO 3 (s) NH4HCO3(s)+NH 3 (g) ΔH=+74 . 9 kJ/mol

2H 2 (g)+O 2 (g) 2H 2 O( l ) ΔH=-571 . 6 kJ/mol

查看完整题目与答案

【单选题】根据纳米科技研究所的相关研究结果,发现纳米氧化亚铜不具有()。

杀菌

杀藻

生物毒性

查看完整题目与答案

【单选题】以下反应可用焓判据来解释的是 [ ]

硝酸铵自发的溶于水

2N 2 O 5 (g)=4NO 2 (g)+O 2 (g) △H=+56.7 kJ. mol -1

( NH 4 ) 2 CO 3 (s)=NH 4 HCO 3 (s)+NH 3 (g) △H=+74.9kJ．mol -1

2H 2 (g)+O 2 (g)=2H 2 O(l) △H=-285.8 kJ.mol -1

查看完整题目与答案

【单选题】What can you learn from the example of unemployment?

The sense of happiness of the Unemployed people partly depends on where he stays.

Generally speaking, unemployed people are happier than those who have jobs.

In an area where everyone has a job, it's easy to get unemployed.

Unemployed people usually stay in an area of high unemployment.

查看完整题目与答案

【单选题】The component of the healthy personality that is the first to develop is the sense of trust. As with other personality components, the sense of trust is not something that develops independent of othe...

the infant experiences some satisfaction

adults' trust is adequate

the infant learns how to move

the infant is surrounded by people he can recognize

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【单选题】The sense of and the sense of are appealed to in the first line.

sight and taste

touch and sight

touch and sound

sound and smell

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【多选题】工作中的陈列师是

商业运作中的一环

极具商业敏感度和管理才能的艺术工作者

企业、服装设计师和消费者之间的桥梁

传递梦想的人

查看完整题目与答案

相关题目：

【单选题】以下自发反应可用焓判据来解释的是（）

硝酸铵自发溶于水

2N 2 O(g)===4NO 2 (g) + O 2 (g)△H=+56.7kJ/mol

(NH 4 ) 2 CO 3 (s)===NH 4 HCO 3 (s) ＋ NH 3 (g)△H=+74.9kJ/mol

2H 2 (g) ＋ O 2 (g)===2H 2 O(l)△H='-285.8kJ/mol'

查看完整题目与答案

查看完整题目与答案

【简答题】A．The judgment of distance. B．The sense of judgment. C．The skill of maneuvering. D．The size of vehicles.

查看完整题目与答案

【单选题】以下自发反应可用焓判据来解释的是 [ ]

硝酸铵自发地溶于水

2N 2 O 5 (g) 4NO 2 (g)+O 2 (g) ΔH=+56 . 7 kJ/mol

(NH4) 2 CO 3 (s) NH4HCO3(s)+NH 3 (g) ΔH=+74 . 9 kJ/mol

2H 2 (g)+O 2 (g) 2H 2 O( l ) ΔH=-571 . 6 kJ/mol

查看完整题目与答案

【单选题】根据纳米科技研究所的相关研究结果,发现纳米氧化亚铜不具有()。

杀菌

杀藻

生物毒性

查看完整题目与答案

【单选题】以下反应可用焓判据来解释的是 [ ]

硝酸铵自发的溶于水

2N 2 O 5 (g)=4NO 2 (g)+O 2 (g) △H=+56.7 kJ. mol -1

( NH 4 ) 2 CO 3 (s)=NH 4 HCO 3 (s)+NH 3 (g) △H=+74.9kJ．mol -1

2H 2 (g)+O 2 (g)=2H 2 O(l) △H=-285.8 kJ.mol -1

查看完整题目与答案

【单选题】What can you learn from the example of unemployment?

The sense of happiness of the Unemployed people partly depends on where he stays.

Generally speaking, unemployed people are happier than those who have jobs.

In an area where everyone has a job, it's easy to get unemployed.

Unemployed people usually stay in an area of high unemployment.

查看完整题目与答案

the infant experiences some satisfaction

adults' trust is adequate

the infant learns how to move

the infant is surrounded by people he can recognize

查看完整题目与答案

【单选题】The sense of and the sense of are appealed to in the first line.

查看完整题目与答案

查看完整题目与答案

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