内容正文:
寒假预习:专题01 Unit 1课本知识预习+知识演练
2025-2026学年四年级下册英语(人教版)
重点知识梳理
(一)重点词汇
1. 教室物品类:window 窗户 fan 风扇 desk 书桌 door 门
chair 椅子 blackboard 黑板 floor 地板 teacher's desk 讲桌
2. 动作及形容词类:clean 打扫/干净的 tidy 整理/整洁的 late 迟到的
loud 大声的 safe 安全的 messy 杂乱的
(二)重点短语
1. keep the classroom clean 保持教室干净
2. put up your hand 举手
3. turn off the lights 关灯
4. sweep the floor 扫地
5. put back the desks and chairs 把桌椅归位
6. clean the blackboard 擦黑板
7. be late for class 上课迟到
8. eat in class 在课堂上吃东西
(三)核心句型
1. 表达班级规则(否定式):Don't + 动词原形 + 其他.(不要做某事)
例:Don't be late.(不要迟到。)
Don't eat in class.(不要在课堂上吃东西。)
2. 表达班级规则(肯定式):Keep/Put + 名词/代词 + 形容词/介词短语.(保持/做某事)
例:Keep the classroom clean.(保持教室干净。)
Put up your hand to speak.(举手发言。)
3. 请求许可:Can I + 动词原形 + 其他?(我能做某事吗?)
例:Can I take this apple?(我能拿这个苹果吗?)
4. 表达能力(值日职责):I can + 动词原形 + 其他.(我能做某事。)
例:I can clean the blackboard.(我能擦黑板。)
知识演练
(一):根据句意及首字母提示补全单词(每空一词)
1. Don't be l______ for class.(不要上课迟到。)
2. We should keep our classroom c_______.(我们应该保持教室干净。)
3. Please put up your h______ before speaking.(发言前请举手。)
4. He can s_______ the floor after school.(放学后他能扫地。)
5. Close the w________ and door when you leave.(离开时关上窗户和门。)
6. Let's clean the b____________ before class.(上课前我们擦黑板吧。)
7. My bag is on the c_________ near the desk.(我的书包在书桌旁的椅子上。)
8. We need to t_________ off the fan when it's cool.(天凉时我们要关掉风扇。)
9. Keep your desk t_________ and clean.(保持你的书桌整洁干净。)
10. The teacher's desk is in front of the b_____________.(讲桌在黑板前面。)
(二):按要求完成句子(每空一词)
1. Eat in class.(改为否定句)
→ ______ ______ in class.
2. Keep the classroom clean.(改为同义句)
→ Don't make the classroom ______.
3. — Can I take toys to school?
— No, you ______.(补全对话)Don't take toys to school.
4. I clean the blackboard.(用can改写句子)
→ I ______ ______ the blackboard.
5. We put up our hand to speak.(对划线部分提问)
→ What ______ you ______ to speak?
6. Run in the hallway.(改为否定句)
→ ______ ______ in the hallway.
7. I can sweep the floor.(改为一般疑问句)
→ ______ ______ sweep the floor?
8. — Can I open the window?
— Yes, you ______.(补全对话)
9. Keep quiet in class.(改为同义句)
→ Don't be ______ in class.
10. She cleans the desk after school.(用can改写句子)
→ She ______ ______ the desk after school.
(三):单项选择(选择最佳答案,将序号填在括号内)
( )1. — Don't run in the classroom! — ______.
A. That's OK B. Sorry C. You're welcome
( )2. We should ______ the lights after school.
A. turn off B. open C. close
( )3. — Can I eat this cake in class? — ______.
A. Yes, you can B. No, I can't C. No, you can't
( )4. My job is to ______ the desks and chairs.
A. put up B. put back C. turn on
( )5. — What can you do for the class? — I can ______.
A. watch TV B. eat snacks C. clean the floor
( )6. — Don't be loud in class! — ______, I won't.
A. Sorry B. That's right C. Thank you
( )7. We can ______ the blackboard with an eraser.
A. open B. close C. clean
( )8. — Can I put my bag on the desk? — ______.
A. Yes, you can B. No, you can C. Yes, I can
( )9. We should keep our desks ______ every day.
A. messy B. loud C. tidy
( )10. — What should we do before class? — We should ______.
A. run in the hallway B. eat snacks C. clean the classroom
答案
(一)
1. late 2. clean 3. hand 4. sweep 5. window 6. blackboard 7. chair 8. turn 9. tidy 10. blackboard
(二)
1. Don't eat 2. messy 3. can't 4. can clean 5. do; do 6. Don't run 7. Can you 8. can 9. loud 10. can clean
(三)
1. B 2. A 3. C 4. B 5. C 6. A 7. C 8. A 9. C 10. C
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