问题 填空题

要对排水管道进行定期养护、清理,防止其()。

答案

参考答案:阻塞

选择题
写句子

按要求写句子。

(1)赵州桥高度的技术水平和不朽的艺术价值,充分显示了我国劳动人民的智慧和力量。(缩句)

                                                                                                                                                

(2)看到随手乱扔垃圾的行为,我不能无动于衷。(改反问句)

                                                                                                                                                

(3)这篇作文的层次和语言都很通顺。(修改病句)

                                                                                                                                              

(4)小草看起来很柔弱。小草永远不会向暴风雨低头。(关联词连句)

                                                                                                                                            

(5)蜜蜂飞来飞去。(采用比喻句的形式扩句)