__________ you away from home yesterday morning? [ ]
A. Did
B. Was
C. Why
D. Were
答案:D
下列可作为减肥食品原料的是()
A.双糖
B.单糖
C.多糖
D.葡萄糖
E.半乳糖
向阳性皮疹是哪种疾病的特异性皮损
A.系统性红斑狼疮
B.系统性硬化病
C.皮肌炎
D.银屑病关节炎
E.结节性多动脉炎