下图是2001年在重庆考古发现的唐代某地的街道遗迹，该地从初唐到中晚唐由草市发展为开放型市镇。它位于今（    ）

（2016•乐山）读图，图中秦岭﹣淮河一线与下列界限大致一致的是（  ）

①一月0℃等温线

②季风区与非季风区分界线

③第二级阶梯与第三级阶梯分界线

④亚热带与暖温带的分界线

⑤800mm年等降水量线

⑥南方地区与北方地区的分界线．

    An officer（军官）is at a bus stop. He wants to see his girlfriend by bus. He wants to tell his girlfriend the time of his bus, and then she can meet him at the stop in her car. He wants to call his girlfriend on a pay phone（付费电话）,but he doesn't have a coin（硬币）for the phone. He wants someone to help him.

    A soldier（士兵）is near the stop. The officer walks to the soldier and asks,“Do you have any coins for the phone?”

    “Let me have a look,” says the soldier. “I'll see if I can help you.”

    “Don't you know how to speak to an officer?” says the officer. “Now let's say it. Do you have any coins for the phone?”

    “No, sir,” says the soldier.

下列各式的变形，能正确运用等式的性质的是（     ）