Tom will succeed _____ your property after your death,but I don’t think he is       success.

A．in, /

B．at , a

C．to , a

D．from, a

血标本采集法错误的是()

A．全血标本防震荡

B．血培养标本应在使用抗生素之前

C．血糖标本应空腹采血

D．血气分析应备干燥注射器和肝素

E．血清标本应防试管内凝血