423=143=423;
故答案为:423;
下列有关钙代谢特点不正确的是()
A.成人体内钙主要存在于骨中
B.骨钙稳定小变只有疾病时才交换
C.体液中钙有结合钙与游离钙
D.与有机酸结合的钙可通过生物膜
E.只有游离钙起直接的生理作用
Congratulations! It seemed that our boss was ________ with your work today.[ ]
A. dishonest
B. confused
C. satisfied
D. disturbed