A

    Look! This is a picture of my teacher's family. This is Mr. Smith.  He  is my English  teacher. His wife is a doctor. She is nice. They have a son and a daughter. The boy's  name is Sam and the   girl's name is Kate. They are students. They are in the same school. They go to school on their bikes. Look! The son is like his mother. The daughter is like her father. Now they are all in China and can speak Chinese. They love China.

读某年香港进出口商品的地区构成图，香港与祖国内地的经济互补性很强，其中香港具有的优势条件是（    ）​

一元用掉五角还剩____角。（请用中文数字作答）

根据下面一段文字，概括说明什么是“社会公信力”。(不超过45个字)

“民无信不立”，国家机关或社会公共服务部门也应如此。国家机关或社会各种公共服务部门在处理公务中必须能够妥善解决问题，考虑其政策与行为的合法性、公正性与公益性，考虑公民的心理因素和利益需求，以及社会文化和社会环境影响。自己的一切行为必须让民众认同，让民众信任，让民众满意。中共十六届六中全会明确把增强政府公信力作为完善公共服务政策体系，提高公共服务质量的一个重要途径。

社会公信力是____。