斑疹伤寒可产生（）
A.瘀点、瘀斑
B.斑丘疹
C.玫瑰疹
D.红斑疹
E.疱疹
参考答案：B
Our teachers told us _____________ hard.[ ]
A. to work
B. working
C. worked
处方中含纤维、矿物类药粉较多时，蜂蜜与药粉比例以多少为宜
A．1:0.5
B．1:2
C．1:0.6
D．1:1
E．1:0.8
