人教版八年级下册英语Unit 8 Making a Difference知识清单(背诵版+默写版)

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人教版八年级下册英语Unit 8 Making a Difference知识清单(背诵版+默写版)

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人教版八年级下册英语Unit 8 Making a Difference知识清单默写版
目录
一、重要词汇解析 2
(一)名词词形变换(n.) 2
(二)动词词形变换(v.) 2
(三)形容词(adj.)词形变换 3
(四)副词(adv.)词形变换 3
(五)专有名词 3
二、重点短语(含用法和例句) 4
三、单元语法精讲解析(重点:现在完成时详解) 5
1. 语法目标 5
2. 现在完成时基本结构 5
3. 现在完成时的核心用法 6
4.关键考点:瞬间动词与延续性动词的转换 7
5. 易混点辨析:现在完成时 vs 一般过去时 7
四、语法练习题及解析 8
五、重点句型(含句型结构、用法及例句) 9
六、书面表达(范文+句型+搭配) 10
1. 话题核心 10
2. 高分短语词组 10
3. 话题名言 10
4. 书面表达思路(单元3c电子邮件写作) 11
5. 写作框架梳理(两大高频体裁) 11
6. 参考范文(两篇高频体裁,适配单元考点) 12
一、重要词汇解析
(一)名词词形变换(n.)
1. visitor /'v z t (r)/:参观者;来访者(可数名词,复数: )
2. organization / :ɡ na 'ze n/:组织;团体;机构(= ,可数名词)
3. stadium /'ste di m/:体育馆;运动场(可数名词,复数: )
4. owner /' n (r)/:主人;物主(可数名词,对应动词 “拥有”)
5. cage /ke d /:笼子(可数名词,复数: )
6. donation /d 'ne n/:捐赠物;捐赠(不可数/可数名词,对应动词 “捐赠”)
7. interviewer /' nt vju: (r)/:面试官;采访者(可数名词,对应动词 “采访”)
8. shelter /' elt (r)/:庇护所;居所(可数名词,常见搭配:animal shelter“动物收容所”)
9. youth /ju:θ/:青年;青年时期(不可数名词, “青年们”)
10. army /'ɑ:mi/:军队(可数名词,常见搭配:United Nations Peacekeeping Army“联合国维和部队”)
11. charity /'t r ti/:慈善机构;慈善事业(可数/不可数名词)
12. adult /' d lt/:成年人(可数名词,形容词义“成年的;成熟的”)
13. teamwork /'ti:mw :k/:团队合作(不可数名词)
14. value /'v lju:/:重要作用;价值(不可数/可数名词,动词义“重视”)
15. audience /' :di ns/:听众;观众(集合名词,视为整体时谓语 ,强调个体时 )
16. success /s k'ses/:成功(不可数名词,对应形容词 “成功的”)
17. effort /'ef t/:努力;艰难的尝试(不可数/可数名词,常见搭配:make effort“努力”)
18. talent /'t l nt/:才能;天赋;天才(不可数/可数名词)
19. advertisement / dv 'ta zm nt/:广告;启事(= ,可数名词)
(二)动词词形变换(v.)
20. provide /pr 'va d/:提供;给予(常用搭配:provide sth. sb. / provide sb. sth.)
21. bark /bɑ:k/:(狗)吠叫(动词);狗叫声(名词)
22. donate /d 'ne t/:捐赠;赠送(常用搭配:donate sth. sb./sth.,对应名词 )
23. sign up:报名(动词短语,同义短语:register)
24. help out:分担工作;帮忙做(动词短语,后接 或 )
25. hand out:分发(动词短语,同义短语: ,反义短语: )
(三)形容词(adj.)词形变换
26. elderly /'eld li/:年纪较大的;上了年纪的(修饰人, “老人”,集合名词)
27. active /' kt v/:活跃的;积极的(常用搭配:stay active“保持活跃”,对应副词 )
28. primary /'pra m ri/:小学教育的;首要的(常见搭配: school“小学”)
29. missing /'m s /:失踪的;丢失的(强调“找不到的”,区别于 “丢失的,迷路的”)
30. practical /'pr kt kl/:实用的;实际的(对应副词 )
31. life-saving /'la f se v /:救命的;救生的(合成形容词,修饰名词,如life-saving skills“救生技能”)
32. successful /s k'sesfl/:成功的;有成就的(对应名词 ,副词 )
33. voluntary /'v l ntri/:自愿的;无偿的(对应副词 ,名词 “志愿者”)
34. ordinary /' :dnri/:平凡的;普通的(反义词: “特别的”)
35. worth /w :θ/:值得;有价值(常用搭配:be worth “值得做”,主动表被动)
36. willing /'w l /:乐意的;愿意的(常用搭配:be willing sth.“乐意做某事”)
37. elder /'eld (r)/:(尤指家庭中)年龄较长的(修饰人,如elder brother“哥哥”,区别于elderly)
38. familiar /f 'm li (r)/:熟悉的(常用搭配:be familiar sth.“通晓;熟悉某物”)
(四)副词(adv.)词形变换
39. warmly /'w :mli/:热情地;温暖地(对应形容词 ,常用搭配: sb. warmly“热情问候某人”)
40. mainly /'me nli/:主要地;大体上(修饰动词、形容词或句子)
(五)专有名词
41. Blue Sky Rescue:蓝天救援队
42. United Nations Peacekeeping:联合国维和部队
43. Argentina / ɑ:d n'ti:n /:阿根廷(国家名)
44. Philippines /'f l pi:nz/:菲律宾(国家名)
二、重点短语(含用法和例句)
1. make a difference:有(重要)作用;产生影响
例句:Everyone can to the world. 每个人都能对世界产生影响。
sign up:报名
例句:I with Blue Sky Rescue last month. 我上个月报名加入了蓝天救援队。
help out:分担工作;帮忙做
例句:She at the animal shelter every weekend. 她每周在动物收容所帮忙。
provide aid:提供援助
例句:The team to the disaster area. 团队向灾区提供了援助。
collect donations:筹集捐赠物
例句:We are for people in need. 我们正在为困难人群筹集捐赠物。
donate pocket money:捐零花钱
例句:Harry his to the charity. 哈里把零花钱捐给了慈善机构。
ever since:自从;自……以后(引导时间状语从句,主句用现在完成时)
on the go:忙碌的
例句:She's always with her volunteer work. 她总是忙于志愿工作。
in need:处于贫困中;生活困难
例句:We should help people . 我们应该帮助困难的人。
most of all:最主要的是;尤其是(用于强调重点)
hand out:分发
例句:Volunteers hot meals to the homeless every day.
志愿者每天给无家可归的人分发热饭。
come along:赶快;跟着来
例句: ! We need to finish the volunteer work on time.
快点!我们要按时完成志愿工作。
be familiar with:通晓;熟悉
例句:He Chinese traditional art. 他通晓中国传统艺术。
be worth the effort:值得这份努力
例句:All the volunteer work . 所有的志愿工作都值得这份努力。
三、单元语法精讲解析(重点:现在完成时详解)
1. 语法目标
熟练掌握现在完成时的两种核心用法(动作持续到现在、过去动作对现在的影响),精准区分since/for的用法,掌握瞬间动词与延续性动词的转换,能在写作、句型转换中灵活运用,规避常见错误。
2. 现在完成时基本结构
肯定句:主语 + have/has + 动词过去分词(done)+ 其他
例句:She at the animal shelter for half a year.
她已经在动物收容所做了半年志愿者。
例句:We lots of donations for people in need.
我们已经为困难人群筹集了很多捐赠物。
否定句:主语 + have/has + not + 动词过去分词 + 其他(have not=haven't,has not=hasn't)
例句1:He up for the volunteer activity yet.
他还没报名参加这个志愿活动。
例句2:They out at the nursing home since last month.
自从上个月起,他们就没去养老院帮忙了。
一般疑问句:Have/Has + 主语 + 动词过去分词 + 其他?
肯定回答:Yes, 主语 + have/has.
否定回答:No, 主语 + haven't/hasn't. / No, 主语 + have/has + not + 对应补充内容.
例句1:— she her pocket money to charity
她把零花钱捐给慈善机构了吗?
—Yes, she . / No, she . She plans to do it tomorrow.
是的,她捐了。/ 没有,她打算明天捐。
特殊疑问句:特殊疑问词 + Have/Has + 主语 + 动词过去分词 + 其他?
例句:How long you a member of Blue Sky Rescue
你加入蓝天救援队多久了?
例句:How many times you out supplies to the poor
你给穷人分发过多少次物资?
3. 现在完成时的核心用法
用法一:表示动作从过去开始,持续到现在,常与since/for连用
介词/连词 用法细节 例句(单元话题) 拓展
for 后接时间段(具体时长),表“动作持续了多久”,时间段前不加介词 1.I have worked as a volunteer guide for two months. 我做志愿导游已经两个月了。 2.They have provided aid for the homeless for over a year. 他们为无家可归者提供援助已经一年多了。 常见时间段: for a few days(几天)、 for hours(几小时) for several weeks(几周)
since 1.后接时间点(具体时间); 2.后接一般过去时的从句(表过去某个动作发生时); 3. 后接“一段时间+ago” 1. He has been in the volunteer team since last Saturday. 自从上周六,他就加入了志愿队。 2.We have known each other since we started volunteering together. 自从我们一起做志愿,就认识了。 3.She hasn't been to the animal shelter since three days ago. 她三天前就没去过动物收容所了。 since引导从句时,从句用一般过去时,主句必须用现在完成时
用法二:表示过去发生的动作,对现在造成的影响或留下的结果,常与already、yet、ever、never、just等连用
already:用于肯定句,可放句中(have/has之后)或句末,表“已经”
例句:We have already finished collecting donations. 我们已经完成了捐赠物的筹集工作。
yet:用于否定句和疑问句,放句末,表“还(未)”
例句:They haven't decided which volunteer activity to join yet.
他们还没决定参加哪个志愿活动。
例句:Has she handed out the leaflets yet 她已经把传单发完了吗?
just:用于肯定句,放have/has之后,表“刚刚”
例句:He has just come back from the nursing home. 他刚从养老院回来。
ever:用于疑问句,表“曾经”
例句:Have you ever helped the elderly cross the road 你曾经帮老人过马路吗?
never:用于否定句,表“从未”
例句:I have never taken part in a volunteer activity abroad. 我从未参加过国外的志愿活动。
4.关键考点:瞬间动词与延续性动词的转换
瞬间动词(如join、buy、leave、start等)表示短暂动作,不能与for/since引导的时间段连用,需转换为对应的延续性动词/短语,单元高频转换如下:
瞬间动词 对应延续性动词/短语 错误例句 正确例句
join (加入) be in / be a member of He has joined the charity for a month. He a member of the charity for a month.
start / begin(开始) be on / have been doing The volunteer project has started for two weeks. The volunteer project has been on for two weeks.
leave (离开) be away from She has left the volunteer team since last week. She away from the volunteer team since last week.
buy (购买) have I have bought the volunteer uniform for three days. I the volunteer uniform for three days.
5. 易混点辨析:现在完成时 vs 一般过去时
时态 核心区别 时间标志词 例句
现在完成时 强调动作与现在的联系(持续到现在/对现在有影响),不具体说明动作发生的时间 for、since、already、yet、ever、never、just、so far We have helped out at the stadium many times. 我们已经在体育馆帮忙过很多次了。(强调对现在的影响:有丰富经验)
一般过去时 仅表示过去发生的动作,与现在无关,明确说明动作发生的具体过去时间 yesterday、last week、in 2025、three days ago、just now We helped out at the stadium last Sunday. 我们上周日在体育馆帮忙了。(仅说明过去事实,与现在无关)
四、语法练习题及解析
(一)、单项选择
( )1. She ______ a volunteer in the community since she was 14 years old.
A. is B. was C. has been D. has become
( )2. —How long have you ______ the volunteer team —For about three months.
A. joined B. been in C. taken part in D. attended
( )3. They ______ already ______ the old people clean their rooms.
A. have;helped B. will;help C. did;help D. are;helping
( )4. —Has he handed out the donations yet —______. He will do it in ten minutes.
A. Yes, he has B. No, he hasn't C. Yes, he does D. No, he doesn't
( )5. He ______ to the animal shelter three days ago. He ______ there twice.
A. has gone;has been B. has gone;went C. went;went D.went;has been
(二)、句型转换(按要求改写句子,每空一词)
1. I joined the volunteer organization last year.(改为现在完成时)
I ______ ______ a member of the volunteer organization since last year.
2. She has volunteered at the nursing home for two years.(对划线部分提问)
______ ______ has she volunteered at the nursing home
3. They have finished collecting donations.(改为否定句)
They ______ ______ collecting donations yet.
4. He has already donated his pocket money.(改为一般疑问句)
______ he ______ his pocket money yet
(三)、完形填空
通读短文,用括号内动词的适当形式填空,或选择合适的选项补全短文。
Li Ming 1______ (be) a volunteer at the local animal shelter for six months. He 2______ (join) the shelter since last July. Every weekend, he goes there to help take care of the animals. So far, he 3______ (feed) over 50 homeless cats and dogs. He 4______ (just/clean) the cages when his friend called him yesterday. His friend asked him, “How long 5______ you 6______ (work) here ” Li Ming replied, “For half a year. I 7______ (never/regret) this decision. It 8______ (teach) me a lot about love and responsibility.”
(四)、短文填空
根据短文内容及所给提示,用动词的适当形式填空,使短文完整通顺。
Our school 1______ (organize) volunteer activities for students since 2024. So far, we 2______ (take) part in many meaningful projects. We 3______ (help) the elderly clean their houses every month for a year. Last month, we 4______ (collect) lots of books for children in poor areas. Now, some students 5______ (donate) their old clothes to the charity. We 6______ (already/learn) that helping others makes us happy. We 7______ (decide) to continue this work and make a bigger difference.
(五)、易错点专项练习
1. The volunteer project ______ (start) two weeks ago. It ______ (be on) for two weeks.
2. —______ you ______ (see) the new volunteer notice
—Yes, I ______ (see) it yesterday.
3. He ______ (not visit) the nursing home since he ______ (move) to the new neighborhood.
五、重点句型(含句型结构、用法及例句)
1. 询问动作持续时间:How long have you + 过去分词 + 其他?(答句用for/since引导)
例句:How long have you been a volunteer 你做志愿者多久了?
2. 表达志愿经历:I have + 过去分词 + 志愿相关动作 + for/since...
例句:I have helped out at over ten different sports events since I started.
自从开始做志愿者,我已经在十多个体育赛事中帮忙过。
3.强调必要性:It's important to + 动词原形 + 其他.
例句:It's important to care for the elderly. 关爱老人很重要。
表达选择与责任:Protecting... is not a choice, but a responsibility.(not...but...“不是……而是……”)
例句:Protecting wild animals is not a choice, but a responsibility.
保护野生动物不是选择,而是责任。
5. 发出号召:Will you join us as + 身份?(用于演讲或倡议结尾,呼吁他人参与)
例句:Will you join us as a volunteer 你愿意加入我们做志愿者吗?
6. 表达收获:Working as a volunteer has taught me...
例句:Working as a volunteer has taught me the value of every life.
做志愿者让我明白了生命的价值。
7. 演讲常用表达
开头问候:Ladies and gentlemen, thank you for inviting me to speak to you about... 女士们,先生们,感谢你们邀请我谈论……
过渡衔接:Most of all... 最主要的是……;However... 然而……;But our goal has always been to... 但我们的目标一直是……
结尾号召:Together we can make a difference! 我们携手就能有所作为!
六、书面表达(范文+句型+搭配)
1. 话题核心
志愿服务的意义、帮助他人的方式、志愿经历与感悟、呼吁他人参与志愿活动。
2. 高分短语词组
帮助他人:help the elderly(关爱老人)、help people in hospitals(帮助医院患者)、teach children life skills(教孩子生活技能)sign up for(报名参加)、help out with(帮忙做)、hand out supplies(分发物资)、collect donations(筹集捐赠物)、devote...to...(致力于)
动物保护:take care of animals(照顾动物)、clean cages(清理笼子)、find owners of lost pets(寻找走失宠物的主人)
环境与公益:clean up natural areas(清理自然区域)、guide visitors at museums(博物馆引导游客)、give supplies to the poor(给穷人提供物资)
情感与收获类:a strong feeling of satisfaction(强烈的满足感)、gain experience(积累经验)、learn patience and responsibility(学会耐心与责任)、bring joy to(给……带来快乐)
主题升华类:make a difference(产生影响)、in need(处于困境中)、join hands(携手)、meaningful work(有意义的工作)、build a warmer world(构建更温暖的世界)
3. 话题名言
Help others, help yourself. 助人者自助。
Today you, tomorrow me. 今日你助他人,明日他人助你。
The rose in your hand, the sweet smell in mine. 赠人玫瑰,手有余香。
4. 书面表达思路(单元3c电子邮件写作)
开头:表明写作目的(看到招募广告,申请成为志愿者)。
主体:说明申请理由、个人技能/经历、能承担的工作。
结尾:表达期待,说明自己是合适人选。
5. 写作框架梳理(两大高频体裁)
体裁一:志愿服务主题演讲稿(单元Section B 1b适配)
核心逻辑:吸引听众→分享经历→升华感悟→发出号召(总-分-总结构)
开头(引入,1-2句):问候听众,点明演讲主题,用个人经历或名言吸引注意力。
常用句式:Ladies and gentlemen, thank you for giving me the chance to talk about... / As we all know, "The rose in your hand, the sweet smell in mine." Today I want to share my volunteer experience with you.
主体(展开,3-4句):分两层——① 具体志愿活动(时间、地点、做什么);② 参与原因或收获(技能、感悟)。
常用逻辑词:First of all、Besides、What's more、During the activity...
结尾(号召,1-2句):升华主题,呼吁大家参与志愿服务,传递积极信念。
常用句式:Let's join hands to volunteer. Together we can make a difference! / Volunteering makes the world warmer. I hope more of you can take part in it.
体裁二:志愿者申请电子邮件(单元3c适配)
核心逻辑:表明目的→自我推荐→表达期待(格式规范+逻辑清晰)
开头(问候+目的,1-2句):礼貌问候,说明看到招募信息,表达申请意愿。
常用句式:Dear Sir/Madam, I'm writing to apply to be a volunteer because I saw your advertisement. / Hello! I'm Li Hua from Class 2, Grade 8. I want to join your volunteer team.
主体(优势+承诺,3-4句):分两层——① 个人优势(兴趣、技能、过往经历);② 能承担的工作及态度。
常用句式:I am good at... / I have volunteered at... before, so I have experience. / I am willing to work hard and help people in need.
结尾(期待+感谢,1句):表达期待回复的心情,感谢对方考虑。
常用句式:I am looking forward to your reply. Thank you for your time. / I hope I can be a member of your team. Thanks a lot.
6. 参考范文(两篇高频体裁,适配单元考点)
范文一:志愿服务演讲稿(80词左右)
Good morning, everyone!
I'm Li Hua. Today I want to talk about my volunteer experience. Last month, I volunteered at a nursing home with my classmates. First, we cleaned the rooms and watered the plants. Besides, we chatted with the elderly and sang songs for them.
This experience taught me patience and love. Helping others brings me great satisfaction. Volunteering makes the world warmer. Let's join hands to do more volunteer work. Together we can make a difference!
Thank you for listening!
范文二:志愿者申请电子邮件(85词左右)
Dear Sir/Madam,
I'm Li Hua, a student from Grade 8. I'm writing to apply to be a volunteer in your animal shelter because I love animals very much.
I have experience in taking care of animals. I often help my neighbor look after her pet dog on weekends. I am patient and hard-working. I can clean the cages, feed the animals and help find owners for lost pets. I am willing to devote my free time to this meaningful work.
I am looking forward to your reply. Thank you for your consideration.
Yours sincerely,
Li Hua/ 让教学更有效 高效备考 | 英语学科
人教版八年级下册英语Unit 8 Making a Difference知识清单背诵版
目录
一、重要词汇解析 1
(一)名词词形变换(n.) 1
(二)动词词形变换(v.) 2
(三)形容词(adj.)词形变换 2
(四)副词(adv.)词形变换 3
(五)专有名词 3
二、重点短语(含用法和例句) 3
三、单元语法精讲解析(重点:现在完成时详解) 4
1. 语法目标 4
2. 现在完成时基本结构 5
3. 现在完成时的核心用法 5
4.关键考点:瞬间动词与延续性动词的转换 7
5. 易混点辨析:现在完成时 vs 一般过去时 7
四、语法练习题及解析 7
五、重点句型(含句型结构、用法及例句) 10
六、书面表达(范文+句型+搭配) 11
1. 话题核心 11
2. 高分短语词组 11
3. 话题名言 11
4. 书面表达思路(单元3c电子邮件写作) 12
5. 写作框架梳理(两大高频体裁) 12
6. 参考范文(两篇高频体裁,适配单元考点) 13
一、重要词汇解析
(一)名词词形变换(n.)
1. visitor /'v z t (r)/:参观者;来访者(可数名词,复数:visitors)
2. organization / :ɡ na 'ze n/:组织;团体;机构(=organisation,可数名词)
3. stadium /'ste di m/:体育馆;运动场(可数名词,复数:stadiums)
4. owner /' n (r)/:主人;物主(可数名词,对应动词own“拥有”)
5. cage /ke d /:笼子(可数名词,复数:cages)
6. donation /d 'ne n/:捐赠物;捐赠(不可数/可数名词,对应动词donate“捐赠”)
7. interviewer /' nt vju: (r)/:面试官;采访者(可数名词,对应动词interview“采访”)
8. shelter /' elt (r)/:庇护所;居所(可数名词,常见搭配:animal shelter“动物收容所”)
9. youth /ju:θ/:青年;青年时期(不可数名词,the youth“青年们”)
10. army /'ɑ:mi/:军队(可数名词,常见搭配:United Nations Peacekeeping Army“联合国维和部队”)
11. charity /'t r ti/:慈善机构;慈善事业(可数/不可数名词)
12. adult /' d lt/:成年人(可数名词,形容词义“成年的;成熟的”)
13. teamwork /'ti:mw :k/:团队合作(不可数名词)
14. value /'v lju:/:重要作用;价值(不可数/可数名词,动词义“重视”)
15. audience /' :di ns/:听众;观众(集合名词,视为整体时谓语单数,强调个体时复数)
16. success /s k'ses/:成功(不可数名词,对应形容词successful“成功的”)
17. effort /'ef t/:努力;艰难的尝试(不可数/可数名词,常见搭配:make an effort“努力”)
18. talent /'t l nt/:才能;天赋;天才(不可数/可数名词)
19. advertisement / dv 'ta zm nt/:广告;启事(=ad,可数名词)
(二)动词词形变换(v.)
20. provide /pr 'va d/:提供;给予(常用搭配:provide sth. for sb. / provide sb. with sth.)
21. bark /bɑ:k/:(狗)吠叫(动词);狗叫声(名词)
22. donate /d 'ne t/:捐赠;赠送(常用搭配:donate sth. to sb./sth.,对应名词donation)
23. sign up:报名(动词短语,同义短语:register)
24. help out:分担工作;帮忙做(动词短语,后接with sth.或doing sth.)
25. hand out:分发(动词短语,同义短语:give out,反义短语:take in)
(三)形容词(adj.)词形变换
26. elderly /'eld li/:年纪较大的;上了年纪的(修饰人,the elderly“老人”,集合名词)
27. active /' kt v/:活跃的;积极的(常用搭配:stay active“保持活跃”,对应副词actively)
28. primary /'pra m ri/:小学教育的;首要的(常见搭配:primary school“小学”)
29. missing /'m s /:失踪的;丢失的(强调“找不到的”,区别于lost“丢失的,迷路的”)
30. practical /'pr kt kl/:实用的;实际的(对应副词practically)
31. life-saving /'la f se v /:救命的;救生的(合成形容词,修饰名词,如life-saving skills“救生技能”)
32. successful /s k'sesfl/:成功的;有成就的(对应名词success,副词successfully)
33. voluntary /'v l ntri/:自愿的;无偿的(对应副词voluntarily,名词volunteer“志愿者”)
34. ordinary /' :dnri/:平凡的;普通的(反义词:special“特别的”)
35. worth /w :θ/:值得;有价值(常用搭配:be worth doing“值得做”,主动表被动)
36. willing /'w l /:乐意的;愿意的(常用搭配:be willing to do sth.“乐意做某事”)
37. elder /'eld (r)/:(尤指家庭中)年龄较长的(修饰人,如elder brother“哥哥”,区别于elderly)
38. familiar /f 'm li (r)/:熟悉的(常用搭配:be familiar with sth.“通晓;熟悉某物”)
(四)副词(adv.)词形变换
39. warmly /'w :mli/:热情地;温暖地(对应形容词warm,常用搭配:greet sb. warmly“热情问候某人”)
40. mainly /'me nli/:主要地;大体上(修饰动词、形容词或句子)
(五)专有名词
41. Blue Sky Rescue:蓝天救援队
42. United Nations Peacekeeping:联合国维和部队
43. Argentina / ɑ:d n'ti:n /:阿根廷(国家名)
44. Philippines /'f l pi:nz/:菲律宾(国家名)
二、重点短语(含用法和例句)
1. make a difference:有(重要)作用;产生影响
例句:Everyone can make a difference to the world. 每个人都能对世界产生影响。
sign up:报名
例句:I signed up with Blue Sky Rescue last month. 我上个月报名加入了蓝天救援队。
help out:分担工作;帮忙做
例句:She helps out at the animal shelter every weekend. 她每周在动物收容所帮忙。
provide aid:提供援助
例句:The team provided aid to the disaster area. 团队向灾区提供了援助。
collect donations:筹集捐赠物
例句:We are collecting donations for people in need. 我们正在为困难人群筹集捐赠物。
donate pocket money:捐零花钱
例句:Harry donated his pocket money to the charity. 哈里把零花钱捐给了慈善机构。
ever since:自从;自……以后(引导时间状语从句,主句用现在完成时)
on the go:忙碌的
例句:She's always on the go with her volunteer work. 她总是忙于志愿工作。
in need:处于贫困中;生活困难
例句:We should help people in need. 我们应该帮助困难的人。
most of all:最主要的是;尤其是(用于强调重点)
hand out:分发
例句:Volunteers hand out hot meals to the homeless every day.
志愿者每天给无家可归的人分发热饭。
come along:赶快;跟着来
例句:Come along! We need to finish the volunteer work on time.
快点!我们要按时完成志愿工作。
be familiar with:通晓;熟悉
例句:He is familiar with Chinese traditional art. 他通晓中国传统艺术。
be worth the effort:值得这份努力
例句:All the volunteer work is worth the effort. 所有的志愿工作都值得这份努力。
三、单元语法精讲解析(重点:现在完成时详解)
1. 语法目标
熟练掌握现在完成时的两种核心用法(动作持续到现在、过去动作对现在的影响),精准区分since/for的用法,掌握瞬间动词与延续性动词的转换,能在写作、句型转换中灵活运用,规避常见错误。
2. 现在完成时基本结构
肯定句:主语 + have/has + 动词过去分词(done)+ 其他
例句:She has volunteered at the animal shelter for half a year.
她已经在动物收容所做了半年志愿者。
例句:We have collected lots of donations for people in need.
我们已经为困难人群筹集了很多捐赠物。
否定句:主语 + have/has + not + 动词过去分词 + 其他(have not=haven't,has not=hasn't)
例句1:He hasn't signed up for the volunteer activity yet.
他还没报名参加这个志愿活动。
例句2:They haven't helped out at the nursing home since last month.
自从上个月起,他们就没去养老院帮忙了。
一般疑问句:Have/Has + 主语 + 动词过去分词 + 其他?
肯定回答:Yes, 主语 + have/has.
否定回答:No, 主语 + haven't/hasn't. / No, 主语 + have/has + not + 对应补充内容.
例句1:—Has she donated her pocket money to charity
她把零花钱捐给慈善机构了吗?
—Yes, she has. / No, she hasn't. She plans to do it tomorrow.
是的,她捐了。/ 没有,她打算明天捐。
特殊疑问句:特殊疑问词 + Have/Has + 主语 + 动词过去分词 + 其他?
例句:How long have you been a member of Blue Sky Rescue
你加入蓝天救援队多久了?
例句:How many times have you handed out supplies to the poor
你给穷人分发过多少次物资?
3. 现在完成时的核心用法
用法一:表示动作从过去开始,持续到现在,常与since/for连用
介词/连词 用法细节 例句(单元话题) 拓展
for 后接时间段(具体时长),表“动作持续了多久”,时间段前不加介词 1.I have worked as a volunteer guide for two months. 我做志愿导游已经两个月了。 2.They have provided aid for the homeless for over a year. 他们为无家可归者提供援助已经一年多了。 常见时间段: for a few days(几天)、 for hours(几小时) for several weeks(几周)
since 1.后接时间点(具体时间); 2.后接一般过去时的从句(表过去某个动作发生时); 3. 后接“一段时间+ago” 1. He has been in the volunteer team since last Saturday. 自从上周六,他就加入了志愿队。 2.We have known each other since we started volunteering together. 自从我们一起做志愿,就认识了。 3.She hasn't been to the animal shelter since three days ago. 她三天前就没去过动物收容所了。 since引导从句时,从句用一般过去时,主句必须用现在完成时
用法二:表示过去发生的动作,对现在造成的影响或留下的结果,常与already、yet、ever、never、just等连用
already:用于肯定句,可放句中(have/has之后)或句末,表“已经”
例句:We have already finished collecting donations. 我们已经完成了捐赠物的筹集工作。
yet:用于否定句和疑问句,放句末,表“还(未)”
例句:They haven't decided which volunteer activity to join yet.
他们还没决定参加哪个志愿活动。
例句:Has she handed out the leaflets yet 她已经把传单发完了吗?
just:用于肯定句,放have/has之后,表“刚刚”
例句:He has just come back from the nursing home. 他刚从养老院回来。
ever:用于疑问句,表“曾经”
例句:Have you ever helped the elderly cross the road 你曾经帮老人过马路吗?
never:用于否定句,表“从未”
例句:I have never taken part in a volunteer activity abroad. 我从未参加过国外的志愿活动。
4.关键考点:瞬间动词与延续性动词的转换
瞬间动词(如join、buy、leave、start等)表示短暂动作,不能与for/since引导的时间段连用,需转换为对应的延续性动词/短语,单元高频转换如下:
瞬间动词 对应延续性动词/短语 错误例句 正确例句
join (加入) be in / be a member of He has joined the charity for a month. He has been a member of the charity for a month.
start / begin(开始) be on / have been doing The volunteer project has started for two weeks. The volunteer project has been on for two weeks.
leave (离开) be away from She has left the volunteer team since last week. She has been away from the volunteer team since last week.
buy (购买) have I have bought the volunteer uniform for three days. I have had the volunteer uniform for three days.
5. 易混点辨析:现在完成时 vs 一般过去时
时态 核心区别 时间标志词 例句
现在完成时 强调动作与现在的联系(持续到现在/对现在有影响),不具体说明动作发生的时间 for、since、already、yet、ever、never、just、so far We have helped out at the stadium many times. 我们已经在体育馆帮忙过很多次了。(强调对现在的影响:有丰富经验)
一般过去时 仅表示过去发生的动作,与现在无关,明确说明动作发生的具体过去时间 yesterday、last week、in 2025、three days ago、just now We helped out at the stadium last Sunday. 我们上周日在体育馆帮忙了。(仅说明过去事实,与现在无关)
四、语法练习题及解析
(一)、单项选择
( )1. She ______ a volunteer in the community since she was 14 years old.
A. is B. was C. has been D. has become
答案:C 解析:since引导时间状语从句(一般过去时),主句用现在完成时,become是瞬间动词,需转换为延续性动词be,故选C。
( )2. —How long have you ______ the volunteer team —For about three months.
A. joined B. been in C. taken part in D. attended
答案:B 解析:how long提问时间段,需用延续性动词短语,join、take part in、attend均为瞬间动作,be in表持续状态,故选B。
( )3. They ______ already ______ the old people clean their rooms.
A. have;helped B. will;help C. did;help D. are;helping
答案:A 解析:already用于现在完成时肯定句,结构为have/has+过去分词,help的过去分词为helped,故选A。
( )4. —Has he handed out the donations yet —______. He will do it in ten minutes.
A. Yes, he has B. No, he hasn't C. Yes, he does D. No, he doesn't
答案:B 解析:问句为现在完成时一般疑问句,答句需对应时态,由“十分钟后做”可知未完成,故选B。
( )5. He ______ to the animal shelter three days ago. He ______ there twice.
A. has gone;has been B. has gone;went C. went;went D.went;has been
答案:D 解析:three days ago是一般过去时标志词,第一空用went;twice结合语境表“去过两次”,用has been,故选D。
(二)、句型转换(按要求改写句子,每空一词)
1. I joined the volunteer organization last year.(改为现在完成时)
I ______ ______ a member of the volunteer organization since last year.
答案:have been 解析:join转换为延续性短语be a member of,主语为I,现在完成时用have been。
2. She has volunteered at the nursing home for two years.(对划线部分提问)
______ ______ has she volunteered at the nursing home
答案:How long 解析:划线部分为时间段,用how long提问,句首首字母大写。
3. They have finished collecting donations.(改为否定句)
They ______ ______ collecting donations yet.
答案:haven't finished 解析:现在完成时否定句在have后加not,缩写为haven't,yet放句末。
4. He has already donated his pocket money.(改为一般疑问句)
______ he ______ his pocket money yet
答案:Has;donated 解析:现在完成时一般疑问句将has提前,already改为yet放句末,过去分词不变。
(三)、完形填空
通读短文,用括号内动词的适当形式填空,或选择合适的选项补全短文。
Li Ming 1______ (be) a volunteer at the local animal shelter for six months. He 2______ (join) the shelter since last July. Every weekend, he goes there to help take care of the animals. So far, he 3______ (feed) over 50 homeless cats and dogs. He 4______ (just/clean) the cages when his friend called him yesterday. His friend asked him, “How long 5______ you 6______ (work) here ” Li Ming replied, “For half a year. I 7______ (never/regret) this decision. It 8______ (teach) me a lot about love and responsibility.”
答案及解析:
has been 解析:for six months是时间段,用现在完成时,主语Li Ming为第三人称单数,be的过去分词为been。
has been in 解析:since引导时间状语,join为瞬间动词,转换为延续性短语be in,对应现在完成时has been in。
has fed 解析:so far是现在完成时标志词,feed的过去分词为fed。
had just cleaned 解析:“刚做完某事就……”用had just done(过去完成时),结合yesterday的过去语境,强调动作发生在called之前。
have;worked 解析:how long提问持续时间,用现在完成时,主语为you,助动词用have,work的过去分词为worked。
have never regretted 解析:never用于现在完成时,regret的过去分词为regretted。
has taught 解析:强调志愿工作带来的持续影响,用现在完成时,teach的过去分词为taught。
(四)、短文填空
根据短文内容及所给提示,用动词的适当形式填空,使短文完整通顺。
Our school 1______ (organize) volunteer activities for students since 2024. So far, we 2______ (take) part in many meaningful projects. We 3______ (help) the elderly clean their houses every month for a year. Last month, we 4______ (collect) lots of books for children in poor areas. Now, some students 5______ (donate) their old clothes to the charity. We 6______ (already/learn) that helping others makes us happy. We 7______ (decide) to continue this work and make a bigger difference.
答案及解析:
1.has organized 解析:since 2024是现在完成时标志,主语our school为第三人称单数,organize的过去分词为organized。
2. have taken 解析:so far对应现在完成时,主语we为复数,take的过去分词为taken。
3. have helped 解析:for a year是时间段,用现在完成时,help的过去分词为helped。
4. collected 解析:last month是一般过去时标志词,用collect的过去式collected。
5. are donating 解析:now对应现在进行时,表正在进行的动作,主语some students为复数。
6. have already learned 解析:already用于现在完成时,learn的过去分词为learned/learnt。
7. have decided 解析:强调“已经决定”的结果,用现在完成时,decide的过去分词为decided。
(五)、易错点专项练习
1. The volunteer project ______ (start) two weeks ago. It ______ (be on) for two weeks.
答案:started;has been on 解析:two weeks ago用一般过去时started;for two weeks用现在完成时,start转换为延续性短语be on。
2. —______ you ______ (see) the new volunteer notice
—Yes, I ______ (see) it yesterday.
答案:Have;seen;saw 解析:问句强调对现在的影响,用现在完成时;yesterday用一般过去时。
3. He ______ (not visit) the nursing home since he ______ (move) to the new neighborhood.
答案:hasn't visited;moved 解析:since引导从句用一般过去时moved,主句用现在完成时否定式hasn't visited。
五、重点句型(含句型结构、用法及例句)
1. 询问动作持续时间:How long have you + 过去分词 + 其他?(答句用for/since引导)
例句:How long have you been a volunteer 你做志愿者多久了?
2. 表达志愿经历:I have + 过去分词 + 志愿相关动作 + for/since...
例句:I have helped out at over ten different sports events since I started.
自从开始做志愿者,我已经在十多个体育赛事中帮忙过。
3.强调必要性:It's important to + 动词原形 + 其他.
例句:It's important to care for the elderly. 关爱老人很重要。
表达选择与责任:Protecting... is not a choice, but a responsibility.(not...but...“不是……而是……”)
例句:Protecting wild animals is not a choice, but a responsibility.
保护野生动物不是选择,而是责任。
5. 发出号召:Will you join us as + 身份?(用于演讲或倡议结尾,呼吁他人参与)
例句:Will you join us as a volunteer 你愿意加入我们做志愿者吗?
6. 表达收获:Working as a volunteer has taught me...
例句:Working as a volunteer has taught me the value of every life.
做志愿者让我明白了生命的价值。
7. 演讲常用表达
开头问候:Ladies and gentlemen, thank you for inviting me to speak to you about... 女士们,先生们,感谢你们邀请我谈论……
过渡衔接:Most of all... 最主要的是……;However... 然而……;But our goal has always been to... 但我们的目标一直是……
结尾号召:Together we can make a difference! 我们携手就能有所作为!
六、书面表达(范文+句型+搭配)
1. 话题核心
志愿服务的意义、帮助他人的方式、志愿经历与感悟、呼吁他人参与志愿活动。
2. 高分短语词组
帮助他人:help the elderly(关爱老人)、help people in hospitals(帮助医院患者)、teach children life skills(教孩子生活技能)sign up for(报名参加)、help out with(帮忙做)、hand out supplies(分发物资)、collect donations(筹集捐赠物)、devote...to...(致力于)
动物保护:take care of animals(照顾动物)、clean cages(清理笼子)、find owners of lost pets(寻找走失宠物的主人)
环境与公益:clean up natural areas(清理自然区域)、guide visitors at museums(博物馆引导游客)、give supplies to the poor(给穷人提供物资)
情感与收获类:a strong feeling of satisfaction(强烈的满足感)、gain experience(积累经验)、learn patience and responsibility(学会耐心与责任)、bring joy to(给……带来快乐)
主题升华类:make a difference(产生影响)、in need(处于困境中)、join hands(携手)、meaningful work(有意义的工作)、build a warmer world(构建更温暖的世界)
3. 话题名言
Help others, help yourself. 助人者自助。
Today you, tomorrow me. 今日你助他人,明日他人助你。
The rose in your hand, the sweet smell in mine. 赠人玫瑰,手有余香。
4. 书面表达思路(单元3c电子邮件写作)
开头:表明写作目的(看到招募广告,申请成为志愿者)。
主体:说明申请理由、个人技能/经历、能承担的工作。
结尾:表达期待,说明自己是合适人选。
5. 写作框架梳理(两大高频体裁)
体裁一:志愿服务主题演讲稿(单元Section B 1b适配)
核心逻辑:吸引听众→分享经历→升华感悟→发出号召(总-分-总结构)
开头(引入,1-2句):问候听众,点明演讲主题,用个人经历或名言吸引注意力。
常用句式:Ladies and gentlemen, thank you for giving me the chance to talk about... / As we all know, "The rose in your hand, the sweet smell in mine." Today I want to share my volunteer experience with you.
主体(展开,3-4句):分两层——① 具体志愿活动(时间、地点、做什么);② 参与原因或收获(技能、感悟)。
常用逻辑词:First of all、Besides、What's more、During the activity...
结尾(号召,1-2句):升华主题,呼吁大家参与志愿服务,传递积极信念。
常用句式:Let's join hands to volunteer. Together we can make a difference! / Volunteering makes the world warmer. I hope more of you can take part in it.
体裁二:志愿者申请电子邮件(单元3c适配)
核心逻辑:表明目的→自我推荐→表达期待(格式规范+逻辑清晰)
开头(问候+目的,1-2句):礼貌问候,说明看到招募信息,表达申请意愿。
常用句式:Dear Sir/Madam, I'm writing to apply to be a volunteer because I saw your advertisement. / Hello! I'm Li Hua from Class 2, Grade 8. I want to join your volunteer team.
主体(优势+承诺,3-4句):分两层——① 个人优势(兴趣、技能、过往经历);② 能承担的工作及态度。
常用句式:I am good at... / I have volunteered at... before, so I have experience. / I am willing to work hard and help people in need.
结尾(期待+感谢,1句):表达期待回复的心情,感谢对方考虑。
常用句式:I am looking forward to your reply. Thank you for your time. / I hope I can be a member of your team. Thanks a lot.
6. 参考范文(两篇高频体裁,适配单元考点)
范文一:志愿服务演讲稿(80词左右)
Good morning, everyone!
I'm Li Hua. Today I want to talk about my volunteer experience. Last month, I volunteered at a nursing home with my classmates. First, we cleaned the rooms and watered the plants. Besides, we chatted with the elderly and sang songs for them.
This experience taught me patience and love. Helping others brings me great satisfaction. Volunteering makes the world warmer. Let's join hands to do more volunteer work. Together we can make a difference!
Thank you for listening!
范文二:志愿者申请电子邮件(85词左右)
Dear Sir/Madam,
I'm Li Hua, a student from Grade 8. I'm writing to apply to be a volunteer in your animal shelter because I love animals very much.
I have experience in taking care of animals. I often help my neighbor look after her pet dog on weekends. I am patient and hard-working. I can clean the cages, feed the animals and help find owners for lost pets. I am willing to devote my free time to this meaningful work.
I am looking forward to your reply. Thank you for your consideration.
Yours sincerely,
Li Hua
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