题目

Looking you straight in the eye does not mean the person is telling the truth. Experienced liars often do this in a(n) ________ way，playing on people believing the myth. A . automatic B . compulsory C . sensitive D . deliberate 答案：D已知：△H=+190kJ/mo1．下列说法正确的是（ ）A．CH3OH的燃烧热为190kJ/mo1B．该反应说明CH3OH比H2稳定C．反应中的能量变化与反应体系的温度和压强无关D．△H=-190kJ/mo1