David is as _____ as Jack. [ ]
A. care
B. careful
C. more careful
D. the most careful
答案:B
尿频阴虚内热证的证候表现有()
A.病程短
B.小便频数短赤
C.盗汗心烦
D.手足心热
E.苔少
驳岸如采用块石压顶,石的底部应(),并使顶面高出最高水位50cm为宜。
A、与岸墙平齐
B、向水中挑出5~6cm
C、根据岸线的曲线来确定位置
D、平整