血清γ-球蛋白测定方法( )
A．双缩脲法B．溴甲酚绿法C．连续检测法D．醋酸纤维膜或琼脂糖电泳法E．免疫比浊法
参考答案：D
He________to put any sugar into the soup. [ ]
A. needn't
B. needs
C. doesn't need
D. need
生产是什么意思？
