用所给动词的适当形式填空。

Mary is my friend. She is from Canada. She is tall and    小题1:  (have) long curly hair. She can    小题2:  (play) the guitar very well. Last weekend, we  小题3: (go) to the farm. We    小题4:  (ride) horses. It    小题5: (be) really interesting.

超声波探伤检测前，应了解被检测支柱瓷绝缘子（）等信息以及运行情况，制定相应的检测方案和技术措施。

A.数量

B.型号

C.制造厂家

D.安装日期