A:2HNO3(浓)+Ag ='===' AgNO3+H2O+NO2↑
B:2H2SO4 (浓)十CCO2↑+2H2O+2SO2↑
C:H2SO4(稀)+CuO====CuSO4+H2O
D:2HNO3(稀)+CaCO3='===Ca' (NO3) 2+CO2↑+H2O
血液由____和____组成,具有止血和凝血功能的血细胞是____.
读图,完成下题.
—Look at that girl!
—I think ___is Jenny.