按要求改写句子。

1．滚滚的春潮击溃了坚冰。  

   “被”字句：                                                                                                         

   “把”字句：                                                                                                         

2．小伟写的字真不好？

     肯定句：                                                                                                             

     反问句：                                                                                                              

3．他怎么能怪一只不善于控制自己感情的鸟呢？

     陈述句：                                                                                                              

治疗流脑首选磺胺嘧啶（SD）是因为（）

A.对脑膜炎双球菌敏感

B.血浆蛋白结合率低

C.细菌产生抗药性较慢且对脑膜炎双球菌敏感

D.血浆蛋白结合率高

E.以上都不是