题目

Have you ever thought about going abroad to volunteer? Making a difference in a country less fortunate than your own is seen by most as a really positive thing to do. However, not everyone is in favour of this so-called “voluntourism”. Volunteer tourism is a growing fashion. In 2015, it was estimated that 10 million volunteers helped on project abroad. These included worksbuilding houses or hospitals, teaching English in schools, teaching locals to use computers, installing water filters, looking after chidren in orphanages, and much more. However, there’s an argument that volunt青海和西藏主要是高寒牧场，期中最著名的畜种是（ ）A. 三河牛、三河马B. 细毛羊、滩羊C. 藏绵羊、牦牛D. 牦牛、细毛羊