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Below you will find a profile of each gap year program. If there is a specific program you are interested in or a question you have regarding these programs, please feel free to contact them directly.Youth InternationalSince 1997, Youth International has provided many people with the most exciting and educational experience of their life. It is a learning program that combines international travel, inter-cultural exchange, home stays, volunteer community service work and outdoor adventures.Phone:1-720-270-3323Carpe Diem EducationThrough volunteer service, travel and cultural exchange, students下列物质存放方法错误的是（　　）A．Cl2水置于棕色试剂瓶避光保存B．盛NaOH溶液的试剂瓶用磨口玻璃塞C．FeSO4溶液存放在加有少量铁粉的试剂瓶中D．金属钠存放于煤油中