完形填空。
The world of the out-of-doors is full of secrets. And they are so interesting that quite a lot of people are
busy studying them.
All round us are birds, animals, trees and flowers. The fact about how they   1   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   2   birds? A doctor
who lives near New York City was so   3   in insects that he began to   4   them. Now he has more than
one thousand different kinds of insects.
Come then with me, and I will help you find some of nature' secrets. Let us go   5   through the woods
and fields. Here we shall find how a rabbit tells the other rabbits that there is danger. We shall   6   a mother
bear and her young ones as they look for   7   and get ready for winter sleep. We shall watch bees dancing
in the air to let other bees know   8   they can find food. I will show you many other interesting things, but
the best thing that I can   9   you is to keep your eyes and ears   10   when you go out of doors. Nature
tells these secrets only to people who look and listen carefully.

(     )  1. A. live      (     )  2. A. studying  (     )  3. A. friendly  (     )  4. A. help      (     )  5. A. near      (     )  6. A. hear      (     )  7. A. food      (     )  8. A. how       (     )  9. A. make      (     )  10. A. closed

B. speak     B. eating    B. careful  B. collect   B. quickly           B. follow    B. fruit   B. why      B. pass        B. open

C. fly          C. learning     C. busy       C. buy        C. quietly            C. catch        C. vegetable C. where        C. give           C. safe

D. bear           D. finding      D. interested   D. feed          D. politely    D. help           D. water         D. when          D. teach         D. clean

查看答案