Unit 4 Helping in the community 知识点总结与练习 (含答案解析) 2025-2026 学年人教PEP版英语四年级上册(新教材)

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Unit 4 Helping in the community 知识点总结与练习 (含答案解析) 2025-2026 学年人教PEP版英语四年级上册(新教材)

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Unit 4 Helping in the community 知识点总结与练习
2025-2026 学年人教PEP版英语四年级上册(新教材)
内容
重点词汇 会读会写:volunteer(志愿者)、clean(打扫)、plant(种植)、visit(拜访)、help(帮助)、community(社区)、firefighter(消防员)、police officer(警察)、nurse(护士)、doctor(医生) 会读知义:charity(慈善)、activity(活动)、elderly(老年人)、sick(生病的)、donate(捐赠)、recycle(回收)、share(分享)
重点短语 help with(帮助做)、volunteer work(志愿者工作)、clean up(清理)、plant trees(植树)、visit the elderly(看望老人)、raise money(筹款)、recycle bottles(回收瓶子)、share books(分享书籍)、give food to(给……食物)、organize activities(组织活动)
核心句型 1. —What does your father do —He is a firefighter.(你爸爸是做什么的?他是消防员。) 2. She is helping clean the park.(她正在帮忙打扫公园。) 3. We can plant trees in the community.(我们可以在社区里植树。) 4. They are raising money for the charity.(他们正在为慈善机构筹款。) 5. Should we help the elderly (我们应该帮助老人吗?) 6. Let's donate old clothes to the poor.(我们把旧衣服捐给穷人吧。) 7. —What's she doing —She is visiting a sick child.(她正在做什么?她正在看望一个生病的孩子。)
(一)现在进行时
结构:主语 + be动词(am/is/are)+ 动词-ing形式(现在分词)。
例:He is cleaning the street.(他正在打扫街道。)
They are planting flowers.(他们正在种花。)
用法:表示现在正在进行的动作或现阶段持续进行的活动。
时间状语:now(现在)、look(看)、listen(听)、these days(这些天)。
否定句:在be动词后加not。
例:She isn't helping with the charity sale.(她没在帮忙义卖。)
疑问句:将be动词提前。
例:—Is he raising money —Yes, he is.(他在筹款吗?是的。)
(二)情态动词can/should
can(能;可以):表示能力或许可。
例:I can help clean the library.(我能帮忙打扫图书馆。)
Can we donate toys (我们可以捐玩具吗?)
should(应该):表示建议或责任。
例:We should help each other.(我们应该互相帮助。)
He should visit his grandparents.(他应该看望祖父母。)
否定形式:can't(不能)、shouldn't(不应该)。
例:You shouldn't litter in the park.(你不应该在公园里乱扔垃圾。)
基础巩固练
一、词汇填空(根据首字母或中文提示写单词,10题)
1、My mother is a n________________(护士). She works in a hospital.
2、We often v________________(拜访)the elderly in the community.
3、They are c________________(打扫)the playground now.
4、He is a f________________(消防员). He puts out fires.
5、Let's p________________(种植)trees in the park.
6、She is a v________________(志愿者). She helps at the charity.
7、We should r________________(回收)bottles to protect the environment.
8、The police officer h________________(帮助)children cross the street.
9、They are s________________(分享)books with poor students.
10、The doctor takes care of s________________(生病的)people.
二、用所给词的适当形式填空(10题)
1、She ________________(clean)the classroom now.
2、They ________________(plant)trees in the community these days.
3、My father ________________(be)a police officer.
4、We can ________________(help)with the charity sale.
5、He ________________(visit)his grandparents every weekend.
6、Look! The firefighters ________________(put)out a fire.
7、You should ________________(donate)old clothes.
8、She isn't ________________(raise)money for the charity.
9、They ________________(organize)an activity next week.
10、Listen! The children ________________(sing)for the elderly.
三、单项选择(10题)
( )1、—What does your mother do
—She is ______ nurse.
A. a B. an C. the
( )2、They ______ planting trees in the park now.
A. am B. is C. are
( )3、We should ______ the elderly with their shopping.
A. helps B. help C. helping
( )4、—What's he doing
—He ______ the street.
A. clean B. cleans C. is cleaning
( )5、Can you ______ me with the charity sale
A. helps B. help C. helping
( )6、She ______ a volunteer. She works at the community center.
A. am B. is C. are
( )7、They are ______ money for the sick child.
A. raise B. raising C. raises
( )8、You shouldn't ______ in the park.
A. litter B. litters C. littering
( )9、—Should we donate toys
—Yes, we ______.
A. should B. shouldn't C. can
( )10、Look! The police officer ______ the old man cross the road.
A. helps B. helping C. is helping
能力提升练
四、句型转换(10题)
1、He is a doctor.(对划线部分提问)
______ ______ he ______
2、They are cleaning the park.(改为否定句)
They ______ ______ the park.
3、We can help with the charity sale.(改为一般疑问句)
______ ______ help with the charity sale
4、She should visit her grandparents.(改为否定句)
She ______ ______ her grandparents.
5、He is raising money for the charity.(对划线部分提问)
______ ______ he ______
6、My father is a firefighter.(改为同义句)
My father ______ ______ a firefighter.
7、They are planting trees.(用“every weekend”改写)
They ______ ______ every weekend.
8、Can we donate old clothes (作肯定回答)
______, ______ ______.
9、She is a volunteer.(对划线部分提问)
______ ______ she ______
10、We should help each other.(改为一般疑问句)
______ ______ help each other
五、补全对话(7选5)
Tom:Hi, Lily! 1______
Lily:I'm helping clean the community center.
Tom:2______
Lily:Yes, I am. I often volunteer here.
Tom:3______
Lily:We clean the rooms, organize books and help the elderly.
Tom:4______
Lily:You can help too! Let's clean the park this Saturday.
Tom:5______
六、阅读理解(5题)
Hello! I'm Li Ming. I live in a community. There are many volunteers here. My neighbor is a firefighter. He often helps put out fires. My mother is a nurse. She takes care of sick people. I am a student. I often help clean the park and donate books to poor children. My friends and I also visit the elderly and sing songs for them. We love helping others!
( )1、What does Li Ming's neighbor do
A. A nurse. B. A firefighter. C. A teacher.
( )2、What does Li Ming's mother do
A. She helps put out fires.
B. She takes care of sick people.
C. She cleans the park.
( )3、What does Li Ming do
A. He is a student.
B. He is a volunteer.
C. Both A and B.
( )4、What do Li Ming and his friends do for the elderly
A. Clean the park.
B. Donate books.
C. Sing songs.
( )5、Which is TRUE
A. Li Ming's mother is a doctor.
B. Li Ming donates toys to poor children.
C. Li Ming loves helping others.
思维拓展练
七、书面表达(1题)
请写一段话描述你在社区中帮助他人的经历,包括你做了什么、帮助了谁以及你的感受。要求:至少5句话,语句通顺,使用提示词汇。
提示词汇:community, help, clean, visit, happy
答案及解析
基础巩固练
一、词汇填空
1、nurse
【解析】“护士”对应的英文是nurse,由a可知用单数形式。
2、visit
【解析】“拜访”对应的英文是visit,often提示用一般现在时,主语we是复数,动词用原形。
3、cleaning
【解析】“打扫”对应的英文是clean,now提示用现在进行时,结构为is cleaning。
4、firefighter
【解析】“消防员”对应的英文是firefighter,由a可知用单数形式。
5、plant
【解析】“种植”对应的英文是plant,let's后接动词原形。
6、volunteer
【解析】“志愿者”对应的英文是volunteer,由a可知用单数形式。
7、recycle
【解析】“回收”对应的英文是recycle,should后接动词原形。
8、helps
【解析】“帮助”对应的英文是help,主语the police officer是第三人称单数,动词用helps。
9、sharing
【解析】“分享”对应的英文是share,now提示用现在进行时,结构为are sharing。
10、sick
【解析】“生病的”对应的英文是sick,修饰名词people。
二、用所给词的适当形式填空
1、is cleaning
【解析】now提示用现在进行时,主语she是第三人称单数,be动词用is,动词用cleaning。
2、are planting
【解析】these days提示用现在进行时,主语they是复数,be动词用are,动词用planting。
3、is
【解析】主语my father是第三人称单数,be动词用is。
4、help
【解析】can后接动词原形,故填help。
5、visits
【解析】every weekend提示用一般现在时,主语he是第三人称单数,动词用visits。
6、are putting
【解析】look提示用现在进行时,主语the firefighters是复数,be动词用are,动词用putting。
7、donate
【解析】should后接动词原形,故填donate。
8、raising
【解析】isn't后接动词-ing形式,构成现在进行时的否定句。
9、will organize
【解析】next week提示用一般将来时,结构为will + 动词原形。
10、are singing
【解析】listen提示用现在进行时,主语the children是复数,be动词用are,动词用singing。
三、单项选择
1、A
【解析】nurse以辅音音素开头,用不定冠词a,故选A。
2、C
【解析】主语they是复数,be动词用are,故选C。
3、B
【解析】should后接动词原形,故选B。
4、C
【解析】now提示用现在进行时,结构为is cleaning,故选C。
5、B
【解析】can后接动词原形,故选B。
6、B
【解析】主语she是第三人称单数,be动词用is,故选B。
7、B
【解析】now提示用现在进行时,结构为is raising,故选B。
8、A
【解析】shouldn't后接动词原形,故选A。
9、A
【解析】should开头的一般疑问句,肯定回答用Yes, we should,故选A。
10、C
【解析】look提示用现在进行时,结构为is helping,故选C。
能力提升练
四、句型转换
1、What does;do
【解析】对职业提问用What does he do ,故填What does;do。
2、aren't cleaning
【解析】现在进行时的否定句在are后加not,缩写为aren't,动词用cleaning,故填aren't cleaning。
3、Can you
【解析】can开头的一般疑问句,主语we改为you,故填Can you。
4、shouldn't visit
【解析】should的否定形式是shouldn't,后接动词原形visit,故填shouldn't visit。
5、What is;doing
【解析】对动作提问用What is he doing ,故填What is;doing。
6、works as
【解析】“作为消防员工作”用works as a firefighter,故填works as。
7、plant trees
【解析】every weekend提示用一般现在时,主语they是复数,动词用plant,故填plant trees。
8、Yes, we can
【解析】can开头的一般疑问句,肯定回答用Yes, we can。
9、What does;do
【解析】对职业提问用What does she do ,故填What does;do。
10、Should we
【解析】should开头的一般疑问句,将should提前,故填Should we。
五、补全对话
1、D
【解析】由答语“我正在帮忙打扫社区中心”可知,此处询问正在做什么,故选D。
2、B
【解析】由答语“是的,我经常在这里做志愿者”可知,此处询问是否是志愿者,故选B。
3、A
【解析】由答语“我们打扫房间、整理书籍和帮助老人”可知,此处询问做什么,故选A。
4、E
【解析】由答语“你也可以帮忙!”可知,此处询问如何帮助,故选E。
5、C
【解析】由上句提议“这周六一起打扫公园”可知,此处表示同意,故选C。
六、阅读理解
1、B
【解析】由“My neighbor is a firefighter.”可知,选B。
2、B
【解析】由“My mother is a nurse. She takes care of sick people.”可知,选B。
3、C
【解析】由“I am a student. I often help clean the park...”可知,选C。
4、C
【解析】由“we visit the elderly and sing songs for them”可知,选C。
5、C
【解析】由“We love helping others!”可知,选C。
思维拓展练
七、书面表达(答案略)
提示词汇:community, help, clean, visit, happy
(注:书面表达答案需学生根据提示自主完成,此处仅提供题目和提示词汇。)

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