题目

下列热化学方程式中△H的绝对值能表示可燃物的燃烧热的是      A．1/2H2（g）+ 1/2Cl2（g）= HCl（g）；△H=－92.3kJ/mol     B．CH4（g）+ 2O2（g）= CO2（g）+2H2O（g）；△H=－802.3kJ/mol     C．2H2（g）+ O2（g）= 2H2O（l）；△H=－571.6kJ/mol     D．CO（g）+ 1/2O2（g）= CO2（g）；△H=－283kJ/mol 答案：D 解析: 略 With alcohol and drugs _______ out of their life, the post-1990s young people now tend to develop healthier hobbies.A. kicked B. to kickC. having kicked D. Kick