请你按要求从课文中抄写句子。

1．比喻句：____                                                              

这句话把                      比作                              

2．拟人句：                                                                      

这句话把                  当做___          来写。

3．静态描写的句子：                                                                                                      

4．动态描写的句子：                                                                                                      

论述项目质量管理的原则及其含义。