按要求改写句子。   
(1)两只小虫都淹没在老松树的黄色的泪珠里。  
     缩句：                                                                                                           
(2)桃花心木是树。
     扩句：                                                                                                           
(3)父亲坚决地说：“我是不能轻易离开北京的。”
     改为转述句：                                                                                                
(4)不劳动，连棵花也养不活，这难道不是真理吗？
     ①改为感叹句：                                                                                           
     ②改为陈述句：                                                                                           
(5)真理诞生于一百个问号之后。
     ①改为反问句：                                                                                              
     ②改为双重否定句：