地表水中有可溶性三价锰的络合物和七价锰的悬浮物存在。
参考答案:错
解析:地表水中有可溶性三价锰的络合物和四价锰的悬浮物存在。
I support your decision, but I should also make it clear that I am not going to be ________ to it. [ ]
A. connected
B. fastened
C. bound
D. stuck
虚劳病以心悸动,脉结代为主要临床特征的宜选用下列何方治疗()
A.小建中汤
B.黄芪建中汤
C.薯蓣丸
D.炙甘草汤
E.酸枣仁汤