Unit 4 Plant life 课时练习1 Get ready-Start up（含答案）

Unit 4 Plant life 课时练习1Get ready-Start up 一、到达植物园后，同学们都发现了哪些东西、做了哪些事情呢？听句子，选出所听到的单词。 ( )1. A. earth B. plants C. sunlight ( )2. A. small B. seeds C. sun ( )3. A. seed B. still C. stem ( )4. A. cotton B. tomato C. sunflower ( )5. A. grain B. wheat C. leaf 二、同学们一边观察植物一边交流。听对话，判断图片与所听内容是否相符，相符写“T”，不相符写“F”。 三、典典给大家分享了植物科普书的内容。请将植物部位的名称写在对应的横线上。 四、在植物园，同学们边走边聊。读一读，用所给词的适当形式填空。 1. Look! The boy _____ (dig) the earth. 2. The _____ (leaf)are green and yellow. 3. Look at the stem! It _____ (grow) so fast! 4. I _____ (be) watering the wheat. 5. —What are they _____ (do) now —They are picking cotton. 五、典典正在和植物园耕种的工作人员Sam 聊天。选择合适的句子，补全对话。 Diandian: 1. _____ Sam: We are planting. Diandian: That's great! 2. _____ Sam: We are planting sunflowers and roses. Diandian: Wonderful! 3. _____ Sam: Yes, I am. The holes need to be deep enough for the plants' roots. Diandian: You're right. 4. _____ Sam: Yes. Plants need water to grow. 六、从植物园回家后，典典查找了更多有关植物的知识。阅读下面内容，选择正确选项。 _____ A seed is like an egg. It is very small. We can find seeds in flowers and fruits. Each seed has an embryo (胚胎) (a baby plant) in it. All seeds have a seed coat. When the baby plant grows out, we call (称) it a seedling(秧苗). Then roots come out. The seedling can get water. Its stem grows, and leaves come out. The plant will have flowers and fruits. They make more seeds. ( )1. Where do seeds come from A. Stems. B. Leaves. C. Flowers and fruits. ( )2. The baby plant in the seed is called(被称为) _____. A. the seed coat B. the embryo C. the fruit ( )3. After the baby plant grows out, it is called _____. A. a plant B. a baby seed C. a seedling ( )4. Which one is the best title A. Parts of the Seeds B. Flowers and Fruits C. The Baby Plant 听力原文 一、1. We can put the seeds in the earth. 2. I have got sunflower seeds. 3. The plant’s stem is thin. 4. Students pick cotton from the plants. 5. The man is watering the wheat. 二、1. —What are you doing, Sam —I’m digging the earth for my seeds. 2. —Are your seeds growing —Yes! Look, the sunflower is tall now! 3. —What are they doing —They’re planting the flowers. 4. —Why is your flower growing —Because I water it! 5. —Is he planting the wheat —No, he’s planting tomatoes. 参考答案 一、1.A 2.B 3.C 4.A 5.B 二、1.T 2.T 3.T 4.T 5.F 三、1.leaves 2.stem 3.roots 4.seeds 四、1.is digging 2.leaves 3.is growing 4.am 5.doing 五、1.B 2.C 3.A 4.D 六、1.C 解析：由“We can find seeds in flowers and fruits.”可知，种子来自花朵和果实，故选C。 2.B 解析：由 “Each seed has an embryo(胚胎) (a baby plant) in it.”可知，种子里的幼苗叫胚胎，故选B。 3.C 解析：由 “When the baby plant grows out, we call (称) it a seedling(秧苗).”可知，幼苗长出来后叫秧苗，故选C。 4.A解析：文章讲了种子的构成、生长过程等，“Parts of the Seeds(种子的组成 ... ...