仅有瘙痒症状而无原发性皮肤损害者为（）。
A.湿疹
B.瘙痒症
C.痒疹
D.结节性痒疹
E.妊娠痒疹
参考答案：B
I ______________ to drink beer. [ ]
A. don't like
B. isn't like
C. doesn't like
D. didn't like
价值体系受制依附于技术体系，技术体系离不开价值体系的载承和传导。
