The world of the out-of-doors is full of secrets (秘密). And they are 1interesting that quite a lot of people are busy 2them.
All around us are birds, animals, trees and flowers. The facts about how they3 and grow are as interesting as anything could be.
Do you know that one of the great presidents of the USA 4 hours and hours5birds? A businessman who lived near New York became so 6in insects(昆虫) that he began to get 7 together. He now has more than one thousand different kinds of insects carefully 8in glass boxes.
Come up with me, and I will help you find some nature's secrets. Let us go9 through the woods and fields. Here we shall find how a rabbit tells the others there is danger. We shall 10 a mother bear and her young ones as they look for11and get ready for winter sleep. We shall watch bees(蜜蜂)dancing in the air to let other bees know 12 they can find food.
I will 13 you many other interesting things, but the best thing that I can14 you is to keep eyes and ears15 when you go out of doors. Nature tells her secrets only to people who look and listen carefully.
