Unit 2 Lesson 8 Why are plants important课时同步练习（2课时，含答案）

Unit 2 Lesson 8 Why are plants important 第1课时同步练习 一、根据句意及汉语提示写出单词 1. Have you found anything more 　　　　(使人愉快的) than painting 2. Children are supposed to start learning 　　　　(基本的) traffic rules in kindergarten. 3. We should plant more trees to keep 　　　　(土壤) from being carried away during storms. 4. There are so many old men playing chess in the 　　　　(树荫) of the trees. 二、单项选择 1. When we want to learn a new language, we should start by learning the 　　　　words. A. basic B. difficult C. new D. popular 2. —Mom, can I do 　　　　much work in 　　　　a short time —Dear, I think you can. A. so; so B. such; so C. so; such D. such; such 3. Without plants, water and wind can 　　　　the soil 　　　　. A. take; on B. keep; on C. carry; away D. blow; away 4. Jim is good at telling stories. He always makes us 　　　　when he tells us stories. A. laugh B. to laugh C. laughs D. laughing 5. —Vegetables are good for our health. —　　　　. That's why I always eat salad for dinner. A. All right B. Good idea C. I don't think so D. That's for sure 四、根据短文内容,在空白处填入一个适当的单词或括号内单词的正确形式 　　A man had a garden. He planted 1. 　　　　 rose and watered it carefully. Before the rose blossomed (开花), he noticed many thorns (刺) around the bud(花蕾) and he thought, "How can any beautiful flower come from a plant with so many sharp thorns " Because of this idea, he 2. 　　　　(lose) interest in this kind of plant, and then he gave up watering the rose. And just 3. 　　　　 it was ready to blossom, it died. Good qualities(品质) are just like roses. There is a rose in everybody's spirit. The good qualities planted in us at birth, 4. 　　　　(grow) among the thorns — our weaknesses. Many of us look at 5. 　　　　(we) and we only see our weaknesses. We lose heart, thinking that nothing good can possibly come from us. We give up watering the roses in us, and 6. 　　　　(slow) they die. We never realize the gift of being able to 7. 　　(find) out our good qualities. Someone may not see the rose in himself, so we need to help him 8. 　　　　(discover) the rose. With love, we can accept a person into our life, even though we know his true weaknesses. 9. 　　　　 the same time, we should encourage him to face his weaknesses bravely and correct them. Then he will blossom many 10. 　　　　(time). 五、任务型阅读 　　Plants are very important. Plants can make food from air, water and sunlight, but animals or humans cannot. Animals get their food by eating plants and other animals. Humans get their food by eating plants and animals, too. So animals and humans need plants in order to live. This is why there are so many plants around us. There are two kinds of plants: flowering plants and non-flowering plants. Almost all the trees around us are flowering plants. You can know some trees from their flowers and fruit. Non-flowering plants do not grow flowers. You cannot see many non-flowering plants around y ... ...