扩展训练。（有趣的成语）

例：最短的季节（一日三秋）

最快的速度 ____

最长的腿 ____

最难做的饭 ____

最遥远的地方 ____

根据短文内容选择正确答案。

    Traveling is one of the most important things and people have been interested in it for many years. Modern traffic develops(发展) fast. So traveling to different places has become much easier than before.

    Staying healthy while traveling can make your trip happier. But do you know how to keep healthy during a trip? The following information may be useful for you.

    Before traveling:

    Wear comfortable shoes, a hat and sunglasses.

Take some necessary medicine with you. They can be used when you get sick or have other problems.

If you do lots of sports like walking or climbing during your trip, you should do some exercise for weeks or months before you leave.

    While traveling:

    Be sure not to eat dirty food or bad fruit.

    Have enough time to take a rest during your trip.

    Tap water is not safe, so drink bottled water and always clean the cover of the bottle.

专题与语文实践活动。
      研究气象与物候对我们的日常生活、农业生产以及学习与工作都会带来很大的益处。学校最近进行了一次这方面的专题与语文实践活动，你也积极参与其中。