完形填空 通讀下面的短文，掌握其大意，在每小題所給的四個(gè)選項(xiàng)中，選出最佳答案，并將答案寫在答題卷上。
The world of out-of-doors is full of secrets. And they are so interesting that quite a lot of people are busy studying them. All around us are birds, animals, trees and flowers. The facts about how they _________ and grow are as interesting as anything could be.
Do you know that one of the great Presidents of the USA spent hours and hours __________birds? A businessman who lives near New York city became so__________ in insects that he began to collect them. He now has more than one thousand different kinds carefully__________ in glass boxes.
Come then with me, and I will help you find some of nature’s secrets. Let us go__________through the woods and fields. Here we shall find now a rabbit tells the other rabbits that there is danger. We shall __________a mother bear and her young ones as they look for__________ and get ready for winter sleep. We shall watch bees dancing in the air to let other bees know__________ they can find food. I will show you many other interesting things, but the thing that I can___________ you is to keep your eyes and ears __________ when you go out of doors. Nature tells her secrets only to people who look and listen carefully.
1.A. bear B. live C. speak D. fly
2.A. studying B. eating C. learning D. finding
3.A. friendly B. carefully C. busy D. interested
4.A. locked B. kept C. put D. filled
5.A. near B. quickly C. quietly D. politely
6.A. hear B. follow C. catch D. help
7.A. food B. fruit C. vegetables D. water
8.A. how B. why C. where D. when
9.A. make B. pass C. give D. teach
10.A. closed B. open C. safe D. Clean
