题目

What we do and don’t do in our free time Li HuiminWang JunfengChen QiangWatch TV√√√Meet friends√√×Cook food√××Go fishing×√√Play computer games×√√根据表格内容，选择正确答案。【1】Li Huimin, Wan Junfeng and Chen Qiang all _____ in their free time.A. watch TV B. meet friendsC. cook food D. play games【2】Chen Qiang doesn’t _____.A. meet friends B. cook foodC. watch TV D. A and B【3】Li Huimin and Wang Junfeng _____ in their free time, but Chen Qiang doesn’t.A. go fishing B. watch TVC. meet friends D. play computer games【4】Wang Junfeng does 有Al、CuO、Fe2O3组成的混合物共10.0 g，放入500 mL某浓度的盐酸溶液中，混合物完全溶解，当再加入250 mL 2.0 mol/L的NaOH溶液时，得到的沉淀最多。上述盐酸溶液的浓度为(　　)A．0.5 mol/L B．3.0 mol/L C．2.0 mol/L D．1.0 mol/L