裂解装置特殊控制系统有几种？

用所给单词的适当形式填空。

①The _____   (girl) name is Mary. 

②I have a _____  (sister的对应词) . His name is Li  Ming.  

③Here _____ (be) my family photos.   

④Mary and I  _____  (be) good friends.

His mother was born in Greece, and Greek was her native language, ___.

A．so it was with his father

B．so did his father

C．so was his father

D．so his father was

单位人民币卡账户销户时，其资金应当转入基本存款账户。（）

最低还款额一般为消费额的（）。

静电产生的途径有哪些？