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Unit 2 Plant a PlantLesson 8 Why are plants important?同步练习 根据汉语提示填空1. You can sit _ the shade under a tree.2. There are many apples _ this apple tree.3. The forest is important _ animals and humans.4. We can get food _trees.5. Nothing can live _ plants. Do you think so? 用所给词的适当形式填空1. _ (breathe) more fresh air, we should plant more trees.2. Why not _ (plant) some flowers in front of the house?3. These trees need _ (water). Go and get some water!4. Plants _ (cover) the soil. We should protect them.5. Im hungry. Can you give me something _ (eat)? 英汉互译1. 植物给我们提供食物。动物呢？ Plants _ _ food. What about animals?2. 我们没有地方住了。我们该怎么办呢？ We have no places _ _ _. What shall we do?3. 没有食物，我们能生存吗？ Can we live _ _?4. 在树丛中散步很有趣，是吗？ Walking _ _ _ is very interesting, isnt it?5. 丹尼说他要种很多面包圈树。 Danny said he would plant a lot of _ _. 句型转换1. medicine, can, plants, use, as, people_.2. the, plants, air, help, clean, make _.3. trees, animals, from, the, do, fruit, eat, the _?4. and, stop, the, cover, dust, soil, the, plants, the, can _.5. trees, wood, to, furniture, us, people, from, build_. 阅读理解Why do plants grow in some places and not in others? Why does some land have so many plants growing on it, while other land has almost no plants at all? To grow, plants need several things. One is warmth. In very cold places almost nothing grows. Plants also need water. In very dry parts of the earth only a few unusual plants can grow. Thats why dry deserts are not covered by trees or grass. Plants must have a place to put down their roots and grow. They find it difficult to grow on hard land. However, plants have been found between the cracks of the stones. Another thing plants must have before they can grow is food. What will happen if we try to make things grow on the sandy beach? A few plants, such as beach grass, will grow in sand, but most plants wont. Even if the weather is warm enough and we water the plants each day, most of them will die because the sand on the beach has almost no food for plants.根据短文内容，选择最佳答案。（10分）6.According to the passage, plants need _ things to grow well.A. twoB. threeC. fourD. five7. What does the underlined word “cracks” mean in Chinese?A. 缝隙B. 表面C. 夹层D. 底部8. From the passage, we can know it is _ for plants to grow in dry places.A. easy B. difficultC. impossibleD. important9. The reason why most plants cant grow on the sandy beach is that _.A. there isnt enough sunlightB. there is too much waterC. it is too crowded thereD. it has little food for plants10.The passage can most probably be found in a _ book.A. scienceB. historyC. travelD. math答案和解析 根据汉语提示填空1. in 2. on 3. to 4. from 5. without 用所给词的适当形式填空1. To breathe 2. plant 3. watering 4. cover 5. to eat 英汉互译1. give us 2. to live in 3. without food 4. among the trees 5. donut trees 句型转换1. People can use plants as medicine2. Plants help make the air clean and fresh3. Do animals eat the fruit from the trees?4. The plants cover the soil and can stop the dust5. People us wood from trees to build furniture610 CABDA
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