葡萄糖需检査的特殊杂质是（）。
A.蛋白质
B.对氨基苯甲酸
C.罂粟碱
D.莨菪碱
E.草酸
参考答案：A
–Could you tell me __________？
A．which is the way to the restroom.
B．where is the restroom
C．how can I get to the restroom
D．is there a restroom near here
