Unit 7 How do things change？重要语法知识点专项练习（专项训练）-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? 重要语法知识点专项练习 一、写出下列动词的ing形式(现在分词) 学科网（北京）股份有限公司 学科网（北京）股份有限公司 1. melt ____________ 2. heat ____________ 3. mix ____________ 4. freeze ____________ 5. shake ____________ 6. put ____________ 7. open ____________ 8. close ____________ 9. change ____________ 10. turn ____________ 11. get ____________ 12. go ____________ 13. come ____________ 14. take ____________ 15. run ____________ 16. swim ____________ 17. sit ____________ 18. stop ____________ 19. have ____________ 20. do ____________ 二、用所给单词的适当形式填空 1. Ice ____________ (melt) in the sun. 2. Look! The boy ____________ (heat) the water. 3. We ____________ (mix) sugar and water now. 4. Water ____________ (freeze) in winter. 5. You ____________ (open) the door, please. 6. Be quiet! The baby ____________ (sleep). 7. What ____________ you ____________ (do)? I ____________ (shake) the bottle. 8. My father usually ____________ (change) the channel. 9. It's hot. The ice cream ____________ (melt) fast. 10. The students ____________ (do) an experiment now. 11. The weather ____________ (change) today. 12. Listen! The bell ____________ (ring). 三、英汉互译 1. 熔化；融化 ____________ 2. heat the water ____________ 3. 混合 ____________ 4. mix sugar and water ____________ 5. 结冰 ____________ 6. in the sun ____________ 7. 摇动 ____________ 8. change the channel ____________ 9. 打开 ____________ 10. things change ____________ 四、选择题 ( )1. Ice cream ______ in hot weather. A. melt B. melts C. melting ( )2. —What ______ you doing? —I ______ heating the milk. A. are; am B. is; is C. do; do ( )3. Don't ______ the bottle. It's dangerous. A. shake B. shakes C. shaking ( )4. —______ does water become ice? —In cold weather. A. What B. How C. Where ( )5. Look! They ______ an experiment. A. do B. does C. are doing ( )6. I like ______ juice with milk. A. drink B. drinking C. drinks ( )7. The ice ______ into water quickly. A. change B. changes C. changing ( )8. My mother often ______ the TV. A. change B. changes C. changing ( )9. —______ is the weather today? —It's sunny. A. What B. How C. Where ( )10. The students ______ now. A. experiment B. experiments C. are experimenting 五、按要求改写句子 1. I'm heating the water.（改成一般疑问句） ________ ________ heating the water? 2. We are mixing sugar and water.（对画线部分提问） ________ ________ you ________? 3. The ice melts in the sun.（对画线部分提问） ________ ________ the ice ________ in the sun? 4. They are in the classroom.（对画线部分提问） ________ ________ they? 5. I usually shake the bottle after mixing.（改为一般疑问句） ________ you usually ________ the bottle after mixing? 6. The weather changes every day.（改为现在进行时） The weather ________ ________ now. 7. He puts the ice cream in the fridge.（对画线部分提问） ________ ________ he ________? 8. We are doing an experiment.（对画线部分提问） ________ ________ you ________? 9. My friend is helping me.（对画线部分提问） ________ ________ helping you? 10. I like making ice cream.（对画线部分提问） ________ ________ you like? 答案 一、 1.melting 2.heating 3.mixing 4.freezing 5.shaking 6.putting 7.opening 8.closing 9.changing 10.turning 11.getting 12.going 13.coming 14.taking 15.running 16.swimming 17.sitting 18.stopping 19.having 20.doing 二、 1.melts 2.is heating 3.are mixing 4.freezes 5.open 6.is sleeping 7.are; doing; am shaking 8.changes 9.is melting 10.are doing 11.changes 12.is ringing 三、 1.melt 2.加热水 3.mix 4.混合糖和水 5.freeze 6.在阳光下 7.shake 8.换频道 9.open 10.事物变化 四、 1.B 2.A 3.A 4.B 5.C 6.B 7.B 8.B 9.B 10.C 五、 1.Are you 2.What are; doing 3.What does; melt 4.Where are 5.Do; shake 6.is changing 7.What does; do 8.What are; doing 9.Who is 10.What do $