题干
_______your history teacher_______ you ?
A：Does, strict with
B：Does ; strict i
C：Is ,strict with
D：Is ; strict i
答案(点此获取答案解析）
C
2NO(g)＋2CO(g)
N2(g)＋2CO2(g)△H＝－746.8kJ·mol－1