下列表现有助于风湿活动的诊断的是（）
A.脾大
B.肝大
C.贫血
D.皮肤黏膜淤点
E.皮肤环形红斑
参考答案：E
Other businesses, such as insurance companies, are more concerned with acquiring a central position so that they are ______ to the urban population.
A．beneficial
B．relevant
C．independent
D．accessible
维修和更换伸缩装置时，是否需要断交施工？
