儿童节那天，开展了《十佳童星》的评比活动，活动中，同学们和许多少先队员争先恐后地上台表演才艺。赛场高潮迭起，掌声不断，气氛非常热烈得很。特别是杨阳同学的舞蹈《看灯》博得了全敞雷鸣般的掌声。通过这次活动，使同学们得到了很好的锻练。

    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.

读 “某河流的年径流量变化图”。判断该河流叙述错误的（   ）

In severe weather，traffic is restricted________certain roads that have been cleared of snow.