麦门冬的功效是()
A.润肺,益肾,养肝
B.润肺,益胃,养肝
C.润肺,益肾,清心
D.润肺,益胃,清心
E.润肺,益肾,益胃
参考答案:D
I try_______work out the math problem by myself. [ ]
A. in
B. at
C. to
D. for
突发事件(案件)发生后,事发机构启动本级内部处置预案,积极采取有效措施,开展控制、排查、自救工作。()