詹姆斯把自我分为（）
A．主题我、客体我
B．自我、超我
C．本我、自我
D．本我、超我
参考答案：A
某兴趣小组经实验测定，在1×105 Pa,298 K条件下，1 mol氢气完全燃烧生成水蒸气放出242 kJ热量，下列热化学方程式正确的是 ( )
A．H2O(g)=H2(g)＋O2(g) ΔH＝＋242 kJ·mol－1
B．2H2(g)＋O2(g)=2H2O(l) ΔH＝－484 kJ·mol－1
C．H2(g)＋O2(g)=H2O(g) ΔH＝＋242 kJ·mol－1
D．2H2(g)＋O2(g)=2H2O(g) ΔH＝＋484 kJ·mol－1
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
A.sometimes
B.all times
C.never
D.partly
O2(g) ΔH＝＋242 kJ·mol－1