It is sunny. What __________ weather! [ ]
A. a good
B. an awful
C. great
D. bad
答案:C
图上距离:实际距离=比例尺______.
病损超过唇红与皮肤交界的疾病是()
A.唇扁平苔藓
B.糜烂型唇炎
C.盘状红斑狼疮
D.腺性唇炎
E.白色海绵状斑痣