After arriving in the United Sates, this 20-year-old Chinese student found it rather difficult to ____ living on his own. A. rely on B. adjust to C. depend on D. stick to 答案:B日常生活中常用下列方法处理相关问题,其中不涉及化学变化的是( ) (A)用明矾净化河水 (B)蜂蚁螫咬处涂抹稀氨水以消除疼痛 (C)用食醋蒸熏对房间消毒杀菌 (D)硫酸钡作X光透视肠胃的药剂