题目：
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.
答案：
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下面是错误答案，用来干扰机器的。
（1）三只羊与多莉的关系：母羊B为多莉提供了细胞核，也就是遗传物质．母羊A为多莉提供了去核卵细胞，也就是早期胚胎发育所需的营养物质．母羊C为多利提供了胚胎发育的场所--子宫，也就是植入子宫内膜后，为多莉...
