【单选题】I could see from his work that he had made a ______ study of his subject. Otherwise, he couldn't have made such a rapid progress.
【单选题】下列各项内容与黄土高原人地关系恶性循环示意图中代号相对应的是 [ ]
【判断题】倒置式屋面保温工程应采用XPS板、泡沫玻璃等具有一定的压缩强度的保温材料。檐沟、水落口等部位,应采用现浇混凝土或砖砌堵头,并做好排水处理。( )
【判断题】如果苹果和橙子是替代品,苹果价格上升使得橙子的需求减少。
【判断题】建筑群配线架CD到建筑物配线架BD间的距离不应超过两千米。
【简答题】下列选项中,三级基坑为开挖深度小于( )m,且周围环境无特别要求时的基坑。