根据短文内容，判断句子正（T）、误（F）。

Most animals are helped by people. They can’t live without us. But sometimes people have made the environment worse. For example, in some parts of the world the forests are being cut down.

The animals in the forests have become fewer and fewer. People hope to grow more food on the land, but the wind blows the earth away. Now forests become smaller and smaller, the soil becomes poorer and poorer. Now there are fewer animals and plants in the world. Insects (昆虫) are usually killed, but some plants need insects. Their seeds (种子) can’t spread without them. Birds eat insects, and without insects many kinds of birds will die.

There are hundreds and hundreds of plants and animals, and each plant is helped by another, so does each animal. If you hurt one, you will hurt another, then another. Scientists know this well. They don’t want people to break their environment.

1.It isn’t good for our environment to cut down forests.

2.Animals in the world are becoming fewer and fewer.

3.Animals and plants helped by each other.

4.After the wind blows, the earth becomes richer and richer.

5.This article tells us it is important to make our environment worse and worse.

根据短文内容，判断句子正（T）、误（F）。
Most animals are helped by people. They can’t live without us. But sometimes people have made the environment worse. For example, in some parts of the world the forests are being cut down.
The animals in the forests have become fewer and fewer. People hope to grow more food on the land, but the wind blows the earth away. Now forests become smaller and smaller, the soil becomes poorer and poorer. Now there are fewer animals and plants in the world. Insects (昆虫) are usually killed, but some plants need insects. Their seeds (种子) can’t spread without them. Birds eat insects, and without insects many kinds of birds will die.
There are hundreds and hundreds of plants and animals, and each plant is helped by another, so does each animal. If you hurt one, you will hurt another, then another. Scientists know this well. They don’t want people to break their environment.
【小题1】It isn’t good for our environment to cut down forests.
【小题2】Animals in the world are becoming fewer and fewer.
【小题3】Animals and plants helped by each other.
【小题4】After the wind blows, the earth becomes richer and richer.
【小题5】This article tells us it is important to make our environment worse and worse.

Do you think about how you take care of yourself as you work at your computer? Many people work on computers for a long time every day，and students work on computers more and more．This can be unhealthy．

If you get a headache，you’ve probably spent too long looking at your computer，so take a break every hour．It’s important to get up and take some exercise．Go outside and get some fresh air．

Is your desk all right? The way you sit at your computer is very important．You should sit straight at the correct distance from your computer．Check that your computer，your desk and your chair are all in the right place for you to sit higher than the keyboard．

Your hands and arms can suffer（受损害）as a result（结果）of working too long．Many people’s aims and hands get hurt if they work for too long at the computer．You can do special exercises for this．If you hurt yourself，it might take a long time to get better．

1．How often should you move away from your computer?

2．Why do you need to take a break from your computer?

3．What three things do you need to put in the fight place?

4．What can you do to stop your hands and arms from getting hurt?