Unit 6 I'm on Duty （单元自测练习卷）-2025-2026学年教科版英语三年级下册

教科版三年级英语下册Unit 6 I'm on Duty 单元测试卷 考试时间：60分钟 总分：100分 一、单项选择（每题2分，共20分） ( ) 1. I'm ______ duty today. A. in B. on C. at ( ) 2. Let's ______ the classroom. A. clean B. cleans C. cleaning ( ) 3. Please ______ the window. A. open B. opens C. opening ( ) 4. Close the ______, please. A. door B. doors C. a door ( ) 5. The floor ______ clean. A. is B. are C. am ( ) 6. Let's ______ the blackboard. A. clean B. cleans C. cleaning ( ) 7. I can ______ my teacher. A. helps B. help C. helping ( ) 8. This is our ______ room. A. teacher B. teachers C. teacher's ( ) 9. ______ the light, please. A. Turn on B. Turn C. Turns on ( ) 10. We are ______ duty. A. in B. on C. at 二、选出不同类的一项（每题2分，共10分） ( ) 1. A. duty B. clean C. open ( ) 2. A. window B. door C. floor ( ) 3. A. blackboard B. teacher C. student ( ) 4. A. turn B. light C. close ( ) 5. A. help B. our C. my 三、词汇运用（共10分） Ⅰ. 根据中文及首字母提示写单词（每题1分，共5分） 1. I'm on d______ today.（值日） 2. Let's c______ the classroom.（打扫） 3. O______ the window, please.（打开） 4. Close the d______, please.（门） 5. I can h______ my teacher.（帮助） Ⅱ. 用所给单词的适当形式填空（每题1分，共5分） 1. Let's ______ (clean) the floor. 2. Please ______ (open) the door. 3. The window ______ (be) clean. 4. I can ______ (help) you. 5. They ______ (be) on duty. 四、从方框中选择合适的单词填空（每题2分，共10分） duty, clean, window, door, help 1. I'm on ______ today. 2. Let's ______ the classroom. 3. Open the ______, please. 4. Close the ______, please. 5. I can ______ my teacher. 五、句型转换（每题2分，共10分） 1. I'm on duty.（改为一般疑问句） ______ ______ on duty? 2. Clean the blackboard.（改为否定句） ______ ______ the blackboard. 3. The window is clean.（改为复数句） The ______ ______ clean. 4. I can help my teacher.（对画线部分提问） ______ can you ______? 5. Let's clean the classroom.（改为同义句） ______ ______ clean the classroom. 六、连词成句（每题2分，共10分） 1. ________________________________________ (I'm, duty, on, today) 2. ________________________________________ (clean, let's, classroom, the) 3. ________________________________________ (open, window, the, please) 4. ________________________________________ (close, door, the, please) 5. ________________________________________ (I, help, can, teacher, my) 七、从B栏中选出A栏相应的答语（每题2分，共10分） A栏 B栏 ( ) 1. I'm on duty today. A. OK. ( ) 2. Let's clean the classroom. B. Yes, I am. ( ) 3. Open the window. C. Great! ( ) 4. Are you on duty? D. Thank you. ( ) 5. I can help you. E. Me too. 八、补全对话（每题2分，共10分） 从所给选项中选择合适的句子补全对话，有一项多余。 A: Hello!A. I'm on duty today. B. Let's clean the classroom. C. Open the window. D. Are you on duty? E. I can help you. F. Goodbye! B: Hi! A: ①________ B: Me too. A: ②________ B: Great! A: ③________ B: OK. A: ④________ B: Yes, I am. A: ⑤________ B: Thank you. 九、阅读理解（每题2分，共10分） Hello, I'm Tom. I'm on duty today. I clean the classroom. I open the window and close the door. I clean the blackboard. I help my teacher. I'm happy. 判断正(T)误(F) ( ) 1. Tom is on duty today. ( ) 2. Tom cleans the bedroom. ( ) 3. Tom opens the window. ( ) 4. Tom closes the book. ( ) 5. Tom helps his teacher.   参考答案 一、1.B 2.A 3.A 4.A 5.A 6.A 7.B 8.C 9.A 10.B 二、1.A 2.C 3.A 4.B 5.A 三、Ⅰ.1.duty 2.clean 3.Open 4.door 5.help Ⅱ.1.clean 2.open 3.is 4.help 5.are 四、1.duty 2.clean 3.window 4.door 5.help 五、1.Are you 2.Don't clean 3.windows; are 4.What; do 5.Let us 六、1.I'm on duty today. 2.Let's clean the classroom. 3.Open the window, please. 4.Close the door, please. 5.I can help my teacher. 七、1.E 2.C 3.A 4.B 5.D 八、1.A 2.B 3.C 4.D 5.E 九、1.T 2.F 3.T 4.F 5.T 学科网（北京）股份有限公司 $