材料一：在当时冷战的情况下，新中国“一边倒”【注：指新中国在外交上站在社会主义阵营一边】外交战略选择引起了一些周边国家的担心和疑虑，如何发展与周边国家的关系，解决相互之间的争端与分歧，保障周边环境的和平与稳定，就成为新中国外交的一个重大课题。把和平共处的思想具体化为五项处理国家关系的基本原则，是中国政府在处理与周边国家的关系时提出来的。

——宋晓芹《从和平共处、求同存异到维护世界的多样性》

材料二：中俄关系成熟而稳定，正处于历史最好时期。……20年前，中俄建立了战略协作伙伴关系，15年前签署《中俄睦邻友好合作条约》，不结盟、不对抗、不针对第三国是发展中俄关系的重要内涵。……中俄关系打破了西方对大国关系的传统认识，是让西方人开眼的21世纪大国关系。

——摘自2016年6月28日人民网文章《普京“旋风式”访华观察：中俄联合声明18次提“支持”》

    Everyone, rich or poor, can have happiness. You don't need to think too much about those 1 people. They may always feel lonely (孤独的) 2 their houses are too big, and they may want to take a 3 on country roads because they drive to work every day in the busy city.

    4, happiness is always around you. When you are unhappy, your friends will come to   5 you and this will make you happy. When you study hard at your lessons, you will get good marks and of course you will 6 happy about it. If you don't feel 7, your parents will take good care of you and you will be happy. When you are 8, you can also say you are happy because you may have something else that money can't buy. When you 9 problems, say loudly that you are happy because you have 10 chances to challenge (挑战) yourself. Then you can succeed (成功) in what you do and this may bring you happiness.