月夜忆乐天兼寄微之^①

刘禹锡

今宵帝城月，一望雪相似。

遥想洛阳城，清光正如此。

知君当此夕，亦望镜湖^②水。

展转相忆心，月明千万里。

【注】①此诗写于829年，当时诗人在长安，白居易（乐天）在洛阳，元稹（微之）在越州（今浙江绍兴）。②镜湖：越州境内的一个湖。

    Do you like to shop on the Internet? Things online are very cheap. I often get 1 online. Let me tell you how to buy one when I want to know something about a book. Firstly, I write an e-mail to the online shop. Then they will2me some pictures of the book. I think this is very helpful.

    Online shops are3open. I can do shopping even at midnight if I want to . Real shops usually close4 nine o'clock in the evening.

    After you5the online shopkeeper what you want, you can have your things in a few days. When you go shopping in a shopping mall, you have to talk 6 with the shopkeeper and walk a lot. I don't like it, because I get tired 7.

    I am teaching my grandmother8 online. She cannot walk very far(远).9it is easy for her to shop online. My brother wants to learn how to do it too. He is very10most of the time. When he has a little free time, he can shop online. So you see, shopping online saves time.

下列词语中哪一个词语不是描写走路状态的（   ）。

执行右图的程序，若输出结果为2，则输入的实数x的值是（   ）