阅读短文，根据短文内容及首字母提示，在空白处填入一个适当的单词。
People and animals live in the same world. We should keep the balance (1) b_____________ people and animals. If the balance is destroyed，there will be bad result to both people and animals. Wild animals are (2) f_____________ of people. We have to (3) p_____________ them, or there will be no wild animals in the future. Now we know that there are (4) n_____________ 2,000 nature reserves（自然保护区）in China
There is a black and white animal (5) l_____________ in China. It is always known as the national treasure（国宝）of China. Everyone knows it is called Giant panda. Now there are (6) f_____________ pandas than before. Most of them live in Sichuan and Gansu Provinces. There are also some other rare animals in China. (7) H_____________, the (8) n_____________ is becoming smaller and smaller than before. So people should try (9) t_____________ best to help these animals. They are in (10)d_____________ of disappearing from the world.

阅读短文，根据短文内容及首字母提示，在空白处填入一个适当的单词。

People and animals live in the same world. We should keep the balance (1) b_____________ people and animals. If the balance is destroyed，there will be bad result to both people and animals. Wild animals are (2) f_____________ of people. We have to (3) p_____________ them, or there will be no wild animals in the future. Now we know that there are (4) n_____________ 2,000 nature reserves（自然保护区）in China

There is a black and white animal (5) l_____________ in China. It is always known as the national treasure（国宝）of China. Everyone knows it is called Giant panda. Now there are (6) f_____________ pandas than before. Most of them live in Sichuan and Gansu Provinces. There are also some other rare animals in China. (7) H_____________, the (8) n_____________ is becoming smaller and smaller than before. So people should try (9) t_____________ best to help these animals. They are in (10)d_____________ of disappearing from the world.

Going to the zoo is very popular. Every year over 134 million visitors go to zoos to enjoy watching and learning about the animals. Zoos are the only places that most people will ever meet an elephant, a tiger or other animals that are in danger. ___1.___. They help us to enjoy different kinds of animals as well as make us think more about nature(自然).

Zoos are also important to animals. In order to make more space(空间), food, and other things for ourselves, we leave less and less room for animals. ___2.__. If there were no zoos, more animals in the world would have gone extinct(濒临灭绝). ____3.__. Some people think that animals should not be kept by people for any reason(原因). If they become extinct, then that’s the way it should be. ___4._. We should do everything we can to protect them(保护它们).

5.What’s the best title of this passage?

A. The importance of the zoos.

B.Why do we keep animals?

C. Zoos or not?

D.How to protect animals.