Unit 7 How do things change？（单元测试）-2025-2026学年沪教版英语四年级下册

沪教版四年级下册 Unit 7 How do things change? 单元测试卷 考试时间：60分钟 总分：100分 姓名__________ 得分__________ 一、辨音题（选出画线部分读音不同的一项）（每题2分，共10分） ( )1. A. steam B. heat C. bread D. team ( ) 2. A. freeze B. bee C. see D. great ( ) 3. A. liquid B. solid C. mix D. bike ( ) 4. A. cream B. dream C. tea D. head ( ) 5. A. salt B. cake C. name D. face 二、词汇运用（共20分） A. 根据首字母或中文提示填空（每空2分，共12分） 1. Water is a kind of l______. 2. Ice is a s______. 3. We can m______ (使熔化) ice with heat. 4. S______ (蒸汽) is water in the form of gas. 5. We can f______ (使结冰) water in the freezer. 6. We can m______ (混合) sugar and salt. B. 用所给单词的适当形式填空（每空1分，共8分） 1. We can ______ (melt) ice with heat. 2. The sun ______ (heat) the water. 3. Look! The ice cream is ______ (melt). 4. Water can ______ (freeze) in the cold. 5. We can ______ (mix) sugar and cream. 6. This ______ (mixture) is sweet. 7. They ______ (shake) the bottle now. 8. The chocolate will ______ (melt) in your hand. 三、短语互译（每题1分，共10分） 学科网（北京）股份有限公司 学科网（北京）股份有限公司 1. 液体 ____________________ 2. 固体 ____________________ 3. 气体 ____________________ 4. 使熔化 __________________ 5. 使结冰 __________________ 6. liquid ____________________ 7. solid ____________________ 8. gas ____________________ 9. melt ____________________ 10. freeze ____________________ 四、单项选择（每题1分，共10分） ( ) 1. Water is a kind of ______. A. liquid B. solid C. gas ( ) 2. Ice is a ______. A. liquid B. solid C. gas ( ) 3. We can ______ ice with heat. A. melt B. freeze C. mix ( ) 4. Steam is water in the form of ______. A. liquid B. solid C. gas ( ) 5. We can ______ water in the freezer. A. melt B. freeze C. mix ( ) 6. We can ______ sugar and salt together. A. melt B. freeze C. mix ( ) 7. Look! The ice cream is ______. A. melt B. melting C. melts ( ) 8. The sun ______ the water every day. A. heat B. heats C. heating ( ) 9. We can ______ the bottle to mix the juice. A. shake B. shakes C. shaking ( ) 10. Chocolate will ______ in your hand. A. melt B. freeze C. mix 五、选择合适的单词或短语填空（把序号A～E填在横线上）（每空1分，共5分） A. melt B. solid C. mix D. freeze E. heat 1. Ice is a ______. 2. We can ______ ice with heat. 3. The sun can ______ the water. 4. We can ______ water in the freezer. 5. We can ______ sugar and cream. 六、句型转换（每题1分，共5分） 1. Water is a liquid.（对画线部分提问） ______ ______ water? 2. We can melt ice with heat.（改为一般疑问句） ______ ______ melt ice with heat? 3. The ice cream melts in summer.（改为否定句） The ice cream ______ ______ in summer. 4. They mix sugar and cream.（改为现在进行时） They ______ ______ sugar and cream now. 5. We can freeze water in the freezer.（对画线部分提问） ______ ______ you do in the freezer? 七、根据中文提示完成句子（每空1分，共10分） 1. 水是一种液体，冰是一种固体。 Water is a kind of ______ and ice is a ______. 2. 我们可以用热使冰熔化，也可以用冷使水结冰。 We can ______ ice with ______ and ______ water with ______. 3. 蒸汽是气体形式的水。 Steam is water in the form of ______. 4. 加热会让水变成蒸汽。 ______ makes water turn into ______. 5. 我们能看到水的三种形态。 We can see the three ______ of water. 八、从方框中选择合适的句子补全对话（填序号）（每空2分，共10分） A: Hello, Tom.A. What happens to ice in the sun? B. Yes, I do. C. Let’s do an experiment about water. D. It melts into water. E. Great! Let’s go to the lab. B: Hello, Amy. A: 1. __________ B: That’s a good idea! A: 2. __________ B: It melts into water. A: Do you know why? B: 3. __________ Because the sun heats it. A: Do you like science? B: 4. __________ A: 5. __________ 九、阅读理解（共10分） Hello, I’m Tom. I love science. Today we did an experiment in class. We put some ice in a glass. Then we put the glass in the sun. The ice melted into water. Then we heated the water. It turned into steam. We also mixed sugar and cream to make a sweet mixture. Our teacher said we did well. We were very happy. （一）判断正(T)误(F)（每题1分，共5分） ( ) 1. Tom doesn’t like science. ( ) 2. They put ice in a glass. ( ) 3. The ice melted into water in the sun. ( ) 4. They mixed salt and cream. ( ) 5. Their teacher said they did well. （二）选择正确答案（每题1分，共5分） ( ) 6. Tom loves ______. A. music B. art C. science ( ) 7. They put ice in a ______. A. bag B. glass C. bottle ( ) 8. The ice melted into ______. A. steam B. water C. gas ( ) 9. They mixed sugar and ______. A. salt B. cream C. chocolate ( ) 10. They were very ______. A. sad B. happy C. angry 十、书面表达（10分） 请写一写你观察到的事物变化，不少于5句话。 ____________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________ 参考答案 一、 1. C 2. A 3. C 4. D 5. B 二、A 1. liquid 2. solid 3. melt 4. steam 5. freeze 6. mix B 1. melt 2. heats 3. melting 4. freeze 5. mix 6. mixture 7. are shaking 8. melt 三、 1. liquid 2. solid 3. gas 4. melt 5. freeze 6. 液体 7. 固体 8. 气体 9. （使）熔化；融化 10. 结冰；冻住 四、 1. A 2. B 3. A 4. C 5. B 6. C 7. B 8. B 9. A 10. A 五、 1. B 2. A 3. E 4. D 5. C 六、 1. What; is 2. Can; you 3. doesn’t; melt 4. are; mixing 5. What; can 七、 1. liquid; solid 2. melt; heat; freeze; cold 3. gas 4. Heat; steam 5. forms 八、 1. C 2. A 3. D 4. B 5. E 九、（一）1. F 2. T 3. T 4. F 5. T （二）6. C 7. B 8. B 9. B 10. B 十、 示例：I love science. I can see many changes in my life. Ice melts into water in the sun. Water freezes into ice in the cold. I can mix sugar and cream to make a sweet mixture. These changes are very interesting. $