Question

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 ______ scientists who work in woods and jungles.These scientists are called “animal behaviour (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 world “behaviour”．Animals behaviour scientists want to learn ______ animals behave in their wild homes.When animals live in cages 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 their babies as they usually would.To see real animal behaviour，scientists must go where the animals ______．

So animal behaviour 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 notebooks.______ 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 behaviour scientists hope what they've learned about animal behaviour 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.A. when B. where C. how D. why

4.A. happy B. free C. sad D. angry

5.A. of B. among C. for D. with

6.A. live B. run C. play D. eat

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.A. pay B. spend C. take D. cost

Answer 1