题目内容：

The world of the-out-of door is full of secrets. There are so many secrets, and they are so interesting that thousands of men and women, boys and girls are busy studying them. All around us are birds, animals, trees arid flowers. The facts about how they live and grow are interesting.

Do you know that one of the great presidents of the US spent hours and hours studying birds? A businessman lives near New York City. He became so interested in insects that he began to collect them. He now has over one thousand different kinds of them. He keeps them carefully in glass boxes.

Now come with me, and I will help you find some of nature’s secrets. Let us go quietly through the forests and fields. Here we shall find how a hare tells the other hares where there is danger. We shall follow a mother bear and her young ones when they try to look for food and get ready for their long sleep. We shall watch bees dancing in the air to let the other bees where they can find food. I will show you many other interesting things, but the best thing that I can teach you is to keep your eyes and ears open when you go outdoors.

根据上文内容判断正(T)误(F)

1.Secrets of nature are so interesting that scientists are busy studying them.

2.People only want to know how animals live.

3.It took the great president of the US a lot of time to study birds.

4.A businessman near New York City has collected more than one thousand different kinds of insects.

5.When bees dance in the air, they can tell the other bees where the danger is.