百分条图表示各组成部分百分构成,其作用相同于
A.条图B.线图C.圆图D.直方图E.散点图
参考答案:C
湿温病的特点是()
A.初起邪袭肺卫
B.易入心营和引动肝风
C.易伤肺胃之阴
D.以脾胃为病变中心
E.邪在卫分即有津液干燥
A tourist will easily lose his way in Beijing _________ he has a map or a guide.[ ]
A. if
B. because
C. unless
D. when