缩写句子。   
1．这也为后来李姓人口的速增奠定了基础。 
                                                                                                                                                             
2．她那布满皱纹的脸上展开了舒心的微笑。
                                                                                                                                                              
3．近一米高的洪水已经在路面上跳舞了。   
                                                                                                                                                          
4．英勇的战士迅速地通过了敌人的封锁线。
                                                                                                                                                         
5．我的眼前是一片镶着露珠的绿茵茵的草滩。