宠物教会孩子责任感，因为宠物需要关心，喂养和锻炼。
Pets teach children responsibilities, as they need attention, feeding and exercise.
社会实践对于促进大学生了解社会、了解国情，增长才干、奉献社会，锻炼毅力、培养品格，增强社会责任感具有不可替代的作用。
The social practice plays a indispensable role in helping students know the society, improve their ability, contribute to the country, and cultivate their good virtues.
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