When you hear the word “scientist”, what do you think of? Many people think scientists are people in clean white coats who work in labs. And some scientists do work in labs. But there are
_______ scientist who work in woods and jungles. These scientists are called “animal behavior (行为) scientists”, and they study animals as they live in nature.
Why don’t these scientists catch animals and study them in zoos? The
_______ is in the word “behavior”. Animals behavior scientists want to learn
_______ animal behave in their wild homes. When animals live in cages (笼子) or in zoos, they do not act the same as they do when they are
_______ . They may fight
_______ each other, or they may not eat, or they may not raise (抚养) their babies as they usually would. To see real animal behavior, scientists must go where the animals
_______ .
So animal behavior scientists go into the jungles, the woods or the desert. There , their most important
_______ are their eyes and ears. They watch and listen to the animals very
_______ . They write down everything that happened in notebook.
_______ they live near the animals, the scientists are careful not to frighten them. If the scientists are lucky, the animals will
________ no attention to them. Then the scientists can see how the animals really live.
The behavior scientists hope what they’ve learned about animal behavior can provide clues (提供线索) to help people learn to live together more happily.
1．| A．another | B．other | C．others | D．the other |
2．| A．answer | B．question | C．problem | D．text |
3．4．| A．happy | B．free | C．sad | D．angry |
5．6．7．| A．machines | B．tools | C．thoughts | D．ways |
8．| A．truly | B．carefully | C．wonderfully | D．nicely |
9．| A．But | B．Unless | C．Though | D．As if |
10．
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