杀鼠剂是下列哪一种()
A．苯胺
B．氟乙酰胺
C．硫化氢
D．硝基苯
E．亚硝酸盐
参考答案：B
The most exciting thing for him was he finally found two tinned fruits in seemed to him to be a servant’s bedroom.
A．that; what
B．what; what
C．that; where
D．what; where
胸腺嘧啶分解代谢的产物为（）
A．β-羟基丁酸
B．β-氨基异丁酸
C．β-丙氨酸
D．尿酸
