重金属检查中,如以硫代乙酰胺试液为显色剂,应控制最佳的pH是
A.2.5
B.3.5
C.6.5
D.9.5
E.11.5
参考答案:B
He is taller than _______ girl in his class.
A.any
B.other
C.any other
D.another