吗啡中毒的特异性拮抗药是
A．肾上腺素B．纳洛酮C．阿托品D．解磷定E．氯化钙
参考答案：B
We would like to _______ some money _______ the poor children in our country. [ ]
A. raise, for
B. raise, to
C. donate, with
D. donate, for
已知：
Fe2O3(s)+3/2C(s)=3/2CO2(g)+2Fe(s) △H=234.1 kJ/mol
C(s)+O2(g)=CO2(g) △H= -393. 5 kJ/mol
则2Fe(s)+3/2O2(g)=Fe2O3(s)的△H值是 [ ]
A.-824.4 kJ/mol
B.-627.6 kJ/mol
C.-744.7 kJ/mol
D.-169.4 kJ/mol
