某生态系统中,各种生物体内残留的有机汞情况如下表所列,那么该生态系统中最可能的食物链构成是
A.D→B→C→E→A
B.
C.
D.A→E→C→B→D
答案:C
汤某女,40岁,两天来表现食已即吐,呕吐酸苦热臭,口臭干渴,苔黄厚腻,脉滑数
本病例最佳治法是()
A.消食导滞,和胃降逆
B.清胃降逆
C.清热化痰降逆
D.气和胃降逆
E.滋养胃阴,降逆止呕
I don't see ________ about the photo, _________. [ ]
A. something strange; too
B. anything strange; either
C. strange something; also
D. nothing strange; yet