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| 根据短文内容，用方框中所给单词的适当形式填空，每词限用一次，其中有两个为多余选项。请将答案写在题后横线上。 | |
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| Rainforests cover six percent of the earth's surface. There are rainforests in many 1 of the world, but the biggest forests are in South America, Africa and South East Asia. There aren't any rainforests in Europe or North America. About 75% of all the types of animals 2 from rainforests. Thousands and thousands of animals live in rainforests. There are many beautiful birds, insects and reptiles. Many of them live in the trees, over 30 meters from the 3 . There are also thousands of different plants - and lots of them are tall trees! It is always hot in a rainforest and the ground is always wet. It is 4 very dark there. The rainforests are very important for us. We 5 them! The trees and other plants in the forest help to make the air that we breathe. They also help to control the 6 . They give us wood, rubber, fruits and many of our medicines. Unfortunately, in many places, the rainforests are in danger. For example, many 7 ago there was a large rainforest in Java. There were thousands of different plants and animals in the forest, but now there is nothing. People cut down the trees 8 they wanted to grow rice. They also wanted to grow rubber trees 9 rubber. Many animals lived in the rainforest. Some of them went to other parts of Java, but many of them disappeared - forever. The same thing 10 now in many other parts of the world. The rainforests are in danger! |
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