恙虫病的特征性体征是
A．玫瑰疹
B．瘀斑
C．皮肤紫红色结节
D．焦痂
E．红斑
参考答案：D
列竖式计算
68-27-1354+14+28
18+（72-27）86-（35-14）
Which of the following is a feature of the monastery cloister in the Middle Ages
A．It was surrounded by a river.
B．It generally had a fountain or a well at the center.
C．It was surrounded by flowers.
D．It generally had a wall at the center.
