A. find out scientific roles for themselves B. make them feel relaxed C. make them interested in science D. all of the above 参考答案:D 答案解析:[解析] 细节题。[A]为自己找出科学规则。[B]使参观者放松。[C]使参观者对科学产生兴趣。这三个选项分别在第二段最后一句和第三段的第一句得到论述。所以说他们三个都对。故选:[D]。
第20题: [填空题]The Africa Stockpiles Program will have the pesticide stockpiles burned in Europe. 参考答案:Y 答案解析:题干中有Africa Stockpiles Program,所以可以快速搜索关键词,发现文章第二段第二句话里有这个关键词。The Africa Stockpiles Program (ASP) wil