流行性出血热可产生（）
A.瘀点、瘀斑
B.斑丘疹
C.玫瑰疹
D.红斑疹
E.疱疹
参考答案：A
. In the interview, he had finally ______ several customers of the advantages of his product
A．convinced
B．reminded
C．accused
D．informed
下列成分中与明胶生成白色沉淀的是
A．黄酮
B．皂苷
C．多糖
D．蛋白质
E．鞣质
