关节症状多见于()
A.产碱杆菌败血症
B.真菌败血症
C.厌氧菌败血症
D.金葡菌败血症
E.革兰阴性杆菌败血症
参考答案:A, D
下列反应属于复分解反应的是( )
A.Fe2O3+3CO高温.2Fe+3CO2
B.2NaOH+H2SO4═Na2SO4+2H2O
C.3NO2+2H2O═2HNO3+NO
D.H2+CuO加热.Cu+H2O
---Could you tell me __________ my English?
---By listening and speaking more.
A.what to improve
B.where to improve
C.how to improve
D.which to improve