食管、胃底静脉曲张破裂出血
A．鲜红血便B．创伤后呕血C．出血伴腹痛、发热D．呕血及黑便E．出血来势凶猛，以呕血为主
参考答案：E
下列反应中，水作还原剂的是
A．Cl2 + H2O =" HCl" + HClO
B．2Na+2H2O=2NaOH+H2↑
C．4Fe(OH)2+O2+2H2O = 4Fe(OH)3
D．2F2 + 2H2O ="4HF" + O2
— What's wrong with your computer?
— Something is wrong with it.I'd like to get it ______. [ ]
A．to repair
B．repaired
C．repairing
D．repair
