正常 * * ()
A.双侧 * * 对称
B.坐位时一侧 * * 抬高
C. * * 偏向对侧
D. * * 内陷
E.近期 * * 内陷
参考答案:A
(5分)把足量ZnS固体加入到0.001mol/L的CuSO4溶液中。试判断是否有CuS沉淀生成?已知: Ksp(ZnS)=1.6×10-23mol2•L-2 Ksp(CuS)=1.3×10-36mol2•L-2
-Look! Somebody the sofa.
-Well, it wasn’t me. I didn’t do it.[ ]
A.is cleaning
B.was cleaning
C.has cleaned
D.had cleaned