题目

Do you want to do some volunteer work while exploring Africa? Then join in our 21-Day Flagship Program. Step onto the flat, sandy land of Ghana, and you’ll immediately hear the laughter of children everywhere. This laughter will be the constant of your trip and a steady source of energy while you volunteer among one of Africa s kind communities.Community ServiceVolunteer in primary schools, working with children of different ages to help improve their English skills, tutor those who might be falling behind and contribute to each school’s needs, including making improvements to the faciliti在罪恶的“三角贸易”中，殖民者从海外运回欧洲的主要是是： [     ]A、工业原料 B、工业产品 C、黑人奴隶 D、机器设备