女性,24岁,误服敌敌畏10ml半小时后昏迷来院,诊断急性有机磷中毒。下列哪一项属烟碱样症状()
A.多汗
B.肌纤维束颤动
C.瞳孔缩小
D.流涎
E.肺水肿
参考答案:B
Don't _____ a dictionary every time you come across a new word while reading, otherwise you will soon
get bored and stop reading. [ ]
A. look up
B. consult
C. refer
D. discuss
已知在298K时下述反应的有关数据:
C(s)+1/2 O2(g)=CO(g) △H1 = -110.5kJ/mol,
C(s)+O2(g)=CO2(g) △H2= -393.5kJ/mol ,
则C(s)+CO2(g)=2CO(g) 的△H为 [ ]
A.+283.5kJ/mol
B.+172.5kJ/mol
C.-172.5kJ/mol
D.-504 kJ/mol