A. To cultivate their sense of responsibility. B. To improve family living standards. C. To provide more social activities for communities. D. To make their civic and family life more colorful. 参考答案:D 答案解析:此题问儿童展览馆发展如此之快的原因是什么。从第三段最后一句“That trend will continue as we see more communities wanting to start u
第32题: [单项选择]下列说法中,不符合沥青混凝土路面施工一般规定的是()。 A. 热拌沥青混凝土混合料按集料最大粒径分,主要有粗粒式、中粒式、细粒式、砂粒式四种 B. 沥青混凝土面层集料的最大粒径宜从上至下逐渐增大 C. 上面层沥青混合料集料的最大粒径不宜超过层厚的2/3 D. 采用双层或三层式结构的沥青混凝土面层中应有一层及一层以上是Ⅰ型密级配沥青混凝土混合料 参考答案:C