以下为多囊肾的辅助诊断依据的是()
A.肾功不全
B.孤立性肝囊肿
C.颅内动脉瘤
D.尿路感染
E.以上都不是
参考答案:C
There _______ a lot of trees here, but now it has become desert. [ ]
A. is
B. are
C. used to be
D. used to being
养阴而不滋腻恋邪,常用治阴虚兼外感风热的药物是
A.枸杞子
B.百合
C.北沙参
D.玉竹
E.石斛