Here are some tips about how to keep healthy.

1) Healthy food is important. If you want to keep healthy, eat lots of fruit and vegetables. Don't eat much meat.

2) Water is important. Drink water every day. Milk is good for you, too. Don't drink sweet drinks.

3) Exercise is important. You can ride your bike or play soccer. Going swimming is a good idea.

4) Clean air is important. If you are free, you can go to the park and enjoy clean air.

5) Your teeth are important. You should brush your teeth twice a day.

6) Sleep is important, too. Go to bed early. Don't stay up late, or you will feel sleepy.

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（＼）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词。

2）只允许修改10处，多者（从第11处起）不计分。

    Last Saturday, I, with a friend of mine, were having a picnic in a park when it began to rain heavily. We packed everything up rapid and were ready to leave. My friend, her hair was already wet, suddenly couldn't move and speak. Her eye were rolling and she was about to lose consciousness. I was so frightening that I didn't know how to do. Luckily, a woman on a bicycle appeared. Struggle with the rain, she managed to call an ambulance. My friend has recovered the next morning. I am so grateful for the woman. But I haven't even got chance to thank her.

材料一：“宅童”泛指不喜欢外出与朋友游玩，一个人待在家里看书、做作业、看电视、上网、玩游戏的孩子。网络游戏让越来越多的孩子成为“宅童”。而市场上的网络游戏有78.5%的不适合未成年人，58%的网络游戏设有陷井。也有一些“宅童”出于好奇，浏览一些不健康的网站。
材料二：近年来全国“扫黄打非”办、中央外宣办、公安部等九部委联合行动，进行整治互联网和手机媒体低俗信息专项行动，效果显著。