英语阅读理解The outdoor world is full of secrets. And they are 16

英语阅读理解
The outdoor world is full of secrets. And they are 16 interesting that quite a lot of people are busy 17 them.
All around us are birds, animals, trees and flowers. The facts about how they 18 and grow are as interesting as anything could be.
Do you know that one of 19 presidents of the USA 20 hours and hours studying birds? A businessman near New York became so 21 in insects that he began to get 22 together. He now has more than one thousand different kinds of insects carefully 23 in glass boxes.
Come with me, and I will help you find some nature's secrets. Let us go 24 through the forests and fields. Here we shall find how a rabbit tells another they are in danger. We shall __25__ a mother bear and her young ones when they look for 26 and get ready for winter sleep. We shall watch bees dancing in the air to let other bees know 27 they can find food. I will 28 you many other interesting things, but the best thing that I can teach you is to keep eyes and ears 29 when you go out of doors. Nature tells her secrets only 30 people who look and listen carefully.
16. A. so B. such C. very D. too 17. A. study B. to study C. studying D. studied
18. A. fly B. live C. speak D. come 19. A. the greatest B. greater C. greatest D. great
20. A. took B. spent C. used D. cost 21. A. busy B. careful C. friendly D. interested
22. A. it B. who C. them D. those 23. A. locked B. put C. kept D. filled
24. A. quickly B. quietly C. hurriedly D. happily 25. A. hear B. follow C. help D. catch
26. A. fruit B. vegetables C. water D. food 27. A. how B. why C. where D. when
28. A. show B. see C. give D. learn 29. A. closed B. open C. safe D. clean
30. A. to B. for C. at D. with
最好翻译一下