不合格药品库用（）
A.黄色色标
B.绿色色标
C.蓝色色标
D.红色色标
E.黑色色标
参考答案：D
You must have ________ Beyonce, and she is a very famous singer who sang a song for the 77th Annual Academy Awards (第77届奥斯卡金像奖颁奖典礼).[ ]
A. heard from
B. heard
C. heard on
D. heard about
真性性早熟是( )
A．女童10岁前月经来潮B．垂体性腺肿瘤引起C．下丘脑-垂体-卵巢轴功能提前发育D．女童患颗粒细胞瘤E．服用含性激素类药物或保健品，小儿性器官提前发育
