装修材料根据其在内部装修中使用的部位和功能主要分为（）大类。
A.四
B.五
C.六
D.七
参考答案：D
84. She is a British _____, but she lives in India.
A．people
B．citizen
C．citizenship
D．Immigrant
A．C7H12
B．C3H6
C．C5H6
D．C6H12
