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Unit 2 I’ll help to clean up the city parks.词句精讲精练词汇精讲1. clean upclean up意为“打扫”，up为副词，此短语是动副型短语，如果宾语为代词，应放在短语中间；如果宾语是名词，可放于短语之间或两词之后。
例如：Please clean up this street at once. 请马上把这条街打扫干净。
This street is dirty. Please clean it up. 这条街道太脏了，请把它打扫干净。
2. cheer upcheer up意为“变得高兴，振奋起来”，是“动词+副词”结构的短语。
cheer up既可作及物动词短语，也可作不及物动词短语。
例如：He cheered up at once when I agreed to help him. 我同意帮助他时，他马上高兴起来。
Cheer up! The news isn’t too bad. 振作起来！这消息不是太坏。
He took her to the cinema to cheer her up. 为了让她高兴，他带她去了电影院。
【拓展】(1) cheer作不及物动词，意为“欢呼；喝彩”。
例如：The girls cheered as the famous singer arrived. 当这位著名的歌手到达时，女孩子们大声欢呼。
(2) cheer作及物动词，意为“为……欢呼，高呼”。
例如：The whole village turned out to cheer the hero. 全村人都出来向那位英雄欢呼。
(3) cheer作可数名词，意为“欢呼声；喝彩声”。
例如：We can hear the cheers of students outside the gym. 我们在体育场外就能听到学生的欢呼声。
(4) cheer on意为“为……加油”。
例如：We will have a basketball game this afternoon. Would you like to come and cheer us on?我们今天下午有一场篮球比赛，你愿意来为我们加油吗？3. give outgive out意为“散发；分发”，相当于hand out，是“动词+ 副词”结构的短语动词。
人教新版八年级下册《Unit 2 I'll help to clean up the city parks》2021年同步练习卷（Section B （2a-2e））Ⅰ.根据首字母及汉语提示，完成下列单词的拼写1. Let′s help that b________（失明的）man. He′s walking across the road.2. It's hard to i________what life will be like if we don't have any water．3. Kate is very c________（聪明的） and she can work out the difficult math problem.4. After six months of t________（训练）， the children got stronger than before.5. I wanted to thank them for all their k________（善良）.6. At last， I u________（理解） what she said. How happy I was!7. Scott， can you o________（打开） the door？ The little dog wants to go out right now.8. He is d________ because he can't hear anything．9. Li Wei got many l________ （信件） from his foreign friends last month.10. Nick was very e________ （激动的） after hearing the good news.Ⅱ.用所给单词的适当形式填空11. We should do something to help those________（able） people like the blind or the deaf.12. The pet dog made a big________（different） to my life．13. I can________（easy） finish the work tonight.14. ﹣I really hate myself for what I said to Mum the other day．﹣I know the________ （feel）． It's awful， isn't it？15. You can′t imagine how many________（difficult） we met in that country.Ⅲ.根据汉语意思完成句子16. 你能想象人工智能将在很多领域取代人类吗？（ imagine）________that AI will take the place of human beings in many fields？17. 我们想建立一个组织来帮助贫困的孩子。
Unit 2 I’ll help to clean up the city park Section B (3a-Self check)
一、教学目标：
1. 语言知识目标：
1) 复习动词不定式的不同用法。掌握生词strong, sir, madam。
2) 能够用英语表述常见的志愿活动，并就自己喜欢的志愿活动发表看法。
3) 能用本单元所学的语言简单表达对自己所喜欢的志愿活动的一些看法。
2. 情感态度价值观目标：
了解社会上有很多人需要我们的帮助，奉献爱心并不是要有多么伟大的壮举，而是首先自己要真正拥有一颗
“爱心”，如此便可从身边的点点滴滴做起。明确自己所喜欢的志愿活动，并知道自己能为他人做些什么事
情。
二、教学重难点
1. 教学重点：
1) 能运用所学的语言知识来简单地表达自己想做什么样的志愿活动。
2) 总结本单元学到的重点词组及句型。
3) 复习总结动词不定式的用法，并能完成相关练习题。
2. 教学难点：
运用所学的语言知识来写一封简短的信，表达自己想做什么样的志愿活动，以及做些活动的原因及自己的一
些想法。
三、教学过程
Step 1 Revision
Fill in the blanks with the proper words.
Ben Smith is a ___________ man. He has many __________ in his life. He can’t _____ his _____ or
legs well. Some normal things like answering the telephone, ________ and closing the doors, or
________ things are difficult for him. But “Lucky”, the dog-helper, makes ________ to his life.
Lucky is a fantastic dog. It’s very ______ and __________ many English words. It can understand
him when he gives him order.
Check the answers with the Ss.
Step 2
3a. Look at these kinds of volunteer work. Can you add more? What would you like to do? Discuss
it with a partner.
e.g.
Working in an old people’s home
Helping kids in an after-school program
Being a guide at a museum
Talk with your partner about what kinds of volunteer work you would do.
Step 3 Ask and answer
What would you like to do?
Why do you like to do that?
Step 4 Writing
Work on 3b:
1. Let one student write his or her answer to the questions.
2. Using these answers as a model, write a short letter as a model for the Ss.
写作指导：
本文为写自己所喜欢的志愿活动，并说明原因。
Step 5 Self Check
Work on Self Check 1:
1. Fill in each blank with a possible verb to make a phrasal verb.
2. Fill in the blanks and try to say the meaning of it.
3. Make a new sentence with each phrase.
Work on Self check 2
1. Tell Ss to read the short passage and fill in the blanks with the appropriate phrasal verbs or
infinitives.
2. Tell Ss should try to read the short article first and try to know the main meaning. Then read
carefully and try to understand the meaning of each blanks.
3. Ss work and by themselves and try to fill in the blanks.
4. Check the answers with the class.
Step 6 Exercises
If time is enough, do some more exercises on big screen.
Homework
Finish the letter or e-mail in 3b, using the useful sentences.
反思：
