目前常用的骨骼的显像剂（）。
A.Tc-EHIDA
B.Tc-MDP
C.Tc-HMPAO
D.Tc-ECD
E.Tc-DTPA
参考答案：B
—Here you are! Two pounds of meat and a dozen eggs.
—Thank you. How much do you ________ for them?
A．owe
B．offer
C．charge
D．cost
钢筋配料单上应包含哪些内容？
