题目: 某反应2A(g)+B(g)C(g)+3D(g)在高温时能自发进行,其逆反应在低温下能自发进行,则该反应的ΔH、ΔS应为 [ ]A.ΔH <0,ΔS>0B.ΔH <0,ΔS<0C.ΔH >0,ΔS>0D.ΔH >0,ΔS<0 答案: 答案:C
题型:选择题 I finally found the job I longed for.Never in my life_______so happy.A.did I feelB.I feltC.I had feltD.had I felt 查看答案