Some journalist had written a(n) ______ about him in which some of the facts were untrue.
A.outlook
B.profile
C.appearance
D.performance
第8题
血钙中直接发挥生理作用的物质为
A.草酸钙
B.血浆蛋白结合钙
C.磷酸氢钙
D.氯离子
E.钙离子
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