郁金可用于治疗的病证是()
A.风湿痹痛
B.湿热黄疸
C.血虚失眠
D.肾虚腰痛
E.肠燥便秘
参考答案:B
Helicopters ____ nearly 20 people from the roof of the burning building in Shanghai. [ ]
A. flew
B. rescued
C. saved
D. helped
下列选项中,属于图表的优势的是()。
A.逻辑性强
B.直观
C.易理解
D.易接受