八年级英语下册Unit2PlantaPlantLesson8WhyArePlan

1、Un it 2 Pla nt a Pla ntLess on 8 Why are pla nts importa nt?同步练习根据汉语提示填空1. You can sit_the shade un der a tree.2. There are many apples_ this apple tree.3. The forest is importa nt_ ani mals and huma ns.4. We can get food_trees.5. Noth ing can live_ pla nts. Do you thi nk so?用所给词的适当形式填空1. _ (breathe

2、) more fresh air, we should pla nt more trees.2. Why not_ (pla nt) some flowers in front of the house?3. These trees n eed_ (water). Go and get some water!4. Pla nts_ (cover) the soil. We should protect them.5. I m hungry. Can you give me something_ (eat)?英汉互译1.植物给我们提供食物。动物呢?Pla nts_ food. What abou

3、t an imals?22.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？Walki ng_ is very in teresti ng, is n5. 丹尼说他要种很多面包圈树。Danny said he would pla nt a lot of_ .句型转换1. medici ne, can, pla nts, use, as, people2. the, pla nts, air, help, clea n, make3. trees,

4、ani mals, from, the, do, fruit, eat, the_ ?4. and, stop, the, cover, dust, soil, the, pla nts, the, can5. trees, wood, to, furn iture, us, people, from, buildt it?3阅读理解Whydo plants grow in some places and not in others? Whydoes some land have so many pla nts growing on it, while other land has almos

5、t no pla nts at all?To grow, plants need several things.One is warmth. In very cold places almostnothing grows. Plants also need water. In very dry parts of the earth only a fewunusual plants can grow. That s why dry deserts are not covered by trees or grass.Plantsmust have a place to put down their

6、 roots and grow. They find it difficultto grow on hard land. However, pla nts have bee n found betwee n the cracks of the ston es.Ano ther thing pla nts 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 beachgrass, will gr

7、ow in sand, but most plants won t. Even if the weather is warm eno ugh and we water thepla nts each day, most of them will die because the sand on the beach has almost no food for pla nts.根据短文内容，选择最佳答案。（10 分）6.Accord ing to the passage, pla nts n eed_things to grow well.8. From the passage, we can k

8、now it is_ for pla nts to grow in dry places.B. difficultA. two B. threeC. four D. five7. What does the underlined word“ cracks ” mean in Chinese?夹层 D.底部A.缝隙 B.表面 C.A. easy4C. impossibleD. importa nt9. The reason why most plants can t grow on the sandy beach is that_A. there isn t eno ugh sun lightB

9、. there is too much waterC. it is too crowded thereD. it has little food for pla nts10. The passage can most probably be found in a_ book.A. scie neeB. 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 eat5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 pla nts as medici ne2. Plants help make the air clean and fresh3