以下滴定液所适用的方法是：乙二氨四醋酸二钠滴定液（）.
A．酸碱滴定法
B．非水溶液滴定法
C．沉淀滴定法
D．氧化还原滴定法
E．配位滴定法
参考答案：E
阅读理解。选择正确的答案，将其序号填在题前括号里。
I have two good friends. They are Ma Yi and Gao Wei. Ma Yi is a girl. She's thin and short. She has
long hair and big eyes. Gao Wei is a boy. He's tall and strong. He has short hair and a small nose.
1. ____________ has long hair and big eyes.
A. Ma Yi
B. Gao Wei
C. I
2. Ma Yi is _____________.
A. tall and thin
B. tall and strong
C. thin and short
3. Gao Wei is a _____________, Ma Yi is a _____________.
A. girl, boy
B. boy, girl
C. teacher, student
4. _____________ is tall and strong.
属于双环单萜的是（）
A.梓醇
B.莪术醇
C.薄荷醇
D.薄荷酮
E.冰片
