;                                                                     

                                                                                 

7.倒数第三段中说“这些精美的照片就来自于我们这座日新月异的城市,”说照片的“精美”,文中哪些语句对之进行了说明,请找出来。

                                                                                          

8.文章中“录音”内容可否删去?为什么?

                                           

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