鳖甲煎丸是治疗积聚的常用方剂,创制者是
A.李东垣
B.张仲景
C.张景岳
D.孙思邈
E.朱丹溪
参考答案:B
______ the children in this poor village, we are very lucky.[ ]
A. Living with
B. Compared with
C. Worried about
D. Thanks to
安全带在使用前应进行检查,并应定期()进行静荷重试验,试验荷重为()公斤,试验时间为()分钟。