北师大版八年级下册英语 Unit 2 Communication 复习学案（含解析）

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知识图谱
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Unit 2 Communication
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知识精讲
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一、必背词汇
blog n. 博客，网络日志
face-to-face 面对面的
sign n. 手势；迹象
sign language 手势语
text message 短信
ant n. 蚂蚁
wag v. （狗）摇（尾巴）
tail n. 尾巴
interested adj. 感兴趣的
missing adj. 失踪的；丢失的
landmine n. 地雷
discover v. 发现
frog n. 蛙，青蛙
insect n. 昆虫
gentleman n. 先生；绅士
invite v. 邀请
lady n. 女士
mad adj. 很生气的；疯的
area n. 地区；领域
knowledge n. 知识，学问
since prep. 自……以来 conj. 自……以来；因为，由于
bark v. 狗吠 n. （狗等的）吠声
trainer n. 驯兽师，教练员；运动鞋
hide v. 躲藏；隐藏
culture n. 文化
decorate v. 装饰
themselves pron. 他（她、 它）们自己
formal adj. 正式的
perhaps adv. 可能，大概
anybody pron. 任何人
shy adj. 羞怯的，腼腆的
correct adj. 正确的；恰当的
adult n. 成年人
though adv. 可是，然而 conj. 尽管；即使
treat v. 对待；处理
myself pron. 我自己
ourselves pron. 我们自己
yourself pron. 你自己
yourselves pron. 你们自己
himself pron. 他自己
herself pron. 她自己
itself pron. 它自己
local adj. 本地的；当地的；地方的
generation n. 一代；一代人
teenager n. （13至19岁之间的）青少年
American adj. 美国的
teenager adj. 十几岁的，青少年的
increase v. 增长，增多
rapidly adv. 迅速地，快速地
monthly adj. 每月的
per prep. 每
end n. 结尾；终结；末尾 v. 终止；结束
value n. 用途；价值
private adj. 私人的；秘密的
convenient adj. 便利的，方便的
such pron. 这样的，那样的，类似的
against prep. 违反，反对
law n. 法律


二、重点词汇
1. invite verb / n va t/
to ask or request someone to go to an event 邀请，约请
例句：
We’re invited to Lola’s party.
我们受邀参加洛拉的晚会。
Her family invited me to stay with them for a few weeks.
她家里人邀请我留下住几个星期。

2. treat verb /tri t/
1). to behave towards someone or deal with something in a particular way 对待
例句：
My parents treated us all the same when we were kids.
小时候父母对我们一视同仁。
He treated his wife very badly.
他对妻子很不好。
2). to use drugs, exercises, etc. to cure a person of a disease or heal an injury 治疗，医治
例句：
He is being treated for a rare skin disease.
他患了一种罕见的皮肤病，正在接受治疗。
Western medicine tends to treat the symptoms and not the cause.
西医往往治标不治本。
3). to buy or pay for something for another person 请（客）；款待
例句：
Put your money away - I’m going to treat you (to this).
把钱收起来吧——（这次）我请你。
I’m going to treat myself to (= buy for myself) a new pair of sandals.
我要给自己买一双新凉鞋。

3. since adverb & preposition & conjunction /s ns/
1). adv. from a particular time in the past until a later time, or until now
此后，从此
例句：
Emma went to work in New York a year ago, and we haven’t seen her since.
埃玛一年前去纽约工作了，自那时起我们就没有见过她。
He started working for the company in 1995, and has been there ever since.
他毕业后就开始为这家公司工作，在此之后他一直呆在那里。
2). prep. from a particular time in the past until a later time, or until now
自从……；从……以来
例句：
He hasn’t won a game since last year.
1966年以后，英格兰队就再没有拿过世界杯冠军。
It was the hottest October since records began.
这是有史以来最热的十月。
3). conj. because; as 因为；既然
例句：
Since we’ve got a few minutes to wait for the train, let’s have a cup of coffee.
既然等火车还需要几分钟，我们去喝杯咖啡吧。
Since she has lost weight that skirt bags on her.
因为她减肥了，她穿那条裙子显得太松垂了。

4. decorate verb / dek re t/
to add something to an object or place, especially in order to make it more attractive
装饰，装点，打扮
例句：
They decorated the wedding car with ribbons and flowers.
他们用彩带和鲜花装点婚车。
He decorated his room with pictures of all his favourite sports figures.
他用他所喜爱的所有运动员的照片装饰自己的房间。

5. value noun & verb / v lju /
1). n. the amount of money that can be received for something
价值；价格
例句：
She had already sold everything of value that she possessed.
她已经把自己所有值钱的东西都卖了。
What is the value of the prize
那个奖项有多少奖金？
2). n. the importance or worth of something for someone
意义；价值
例句：
For them, the house’s main value lay in its quiet country location.
对他们来说，这座房子的主要优点是地处乡村，环境僻静。
They are known to place/put/set a high value on good presentation.
众所周知，他们非常重视包装的精美。
3). v. to consider something important 珍视，重视
例句：
I’ve always valued her advice.
我对她的建议一向很重视。
They value their freedom above and beyond all else.
他们把自己的自由凌驾于一切之上。
4). v. to give a judgment about how much money something might be sold for
给…估价
例句：
He valued the painting at $2,000.
他给那幅画估价2000美元。
The insurance company said I should have my jewellery valued.
保险公司说我应当把我的首饰进行估价。

6. discover verb /d sk v r/
to find information, a place, or an object, especially for the first time （尤指首次）发现，找到
例句：
Who discovered America
谁发现了美洲？
We searched all morning for the missing papers and finally discovered them in a drawer.
我们一上午都在找那些失踪的文件，最后终于在一个抽屉里找到了。

7. convenient adjective /k n vi ni nt/
suitable for your purposes and needs and causing the least difficulty
方便的；便利的；省事的
例句：
Our local shop has very convenient opening hours.
我们当地的商店营业时间很合宜。
A bike’s a very convenient way of getting around.
骑自行车四处走动很方便。
8. knowledge noun / n l d /
1). understanding of or information about a subject that you get by experience or study, either known by one person or by people generally 知识；学问；学识；了解；理解
例句：
Her knowledge of English grammar is very extensive.
她的英语语法知识很广博。
He has a limited knowledge of French.
他对法语所知有限。
2). the state of knowing about or being familiar with something 知道；熟悉（某事）
例句：
They both deny all knowledge of the affair.
政府完全否认知道此事。
It has come/been brought to our knowledge that several computers have gone missing.
我们发现有几台电脑不见了。

9. increase verb & noun / n kri s/
1).v. to (make something) become larger in amount or size 增大；增加；增强
例句：
The cost of the project has increased dramatically since it began.
该项目自开始以来成本就急剧上升。
Gradually increase the temperature to boiling point.
逐步加热至沸点。
2). n. a rise in the amount or size of something （数量或尺寸）增加；增长
例句：
Any increase in production would be helpful.
任何产量的增加都是有益的。
There were 39,000 new cases last year--- an increase of six percent.
去年有3.9万件新案子——上升了6%。

三、必背短语
1. at the end of 在……结尾；在……末端 2. such as 例如
3. lead to 导致 4. wag one’s tail 摇尾巴
5. be interested in 对……感兴趣 6. do research on 做调查
7. a sense of ……感 8. body language 肢体语言
9. talk to sb. face to face 面对面谈话 10. sign language 手语
11. send text messages 发信息 12. communicate with 与……交流
13. grow food on 在……种植食物 14. be against the law 违反法律
15. be afraid to do sth. 害怕做某事 16. not…until… 直到……才……
17. deliver the letter 送信，寄信 18. share…with… 和……分享
19. in person 亲自 20. on the website 在网站上
21. shop online 网上购物 21. as well 也

四、经典句型
1. People have always been interested in animal communication and scientists have done a lot of research on this subject.
人们一直对动物如何交流感兴趣。科学家们已就这一课题做了许多研究。
2. Everyone has heard birds singing.
大家都听过鸟儿唱歌。
3. They are either too low or too high for us.
（这些市音）对我们来说不是太高就是太低。
4. Texting did not become common until about 1998.
直到大约1998年，发短信才变得普遍起来。
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三点剖析
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一、考点
1. 掌握本课核心词汇和固定搭配。
2. 现在完成时用法
1). 现在完成时表示：
(1). 发生在过去但对现在有影响的动作。
例句：
Her last book has been a great success. 她的最后一本书大获成功。
(结果: 她现在是一个知名人物。)
I have lost my keys. 我丢了钥匙。
(结果: 我现在开不了门。)
(2). 发生在过去，持续到现在的动作。常和since，for，all my life等时间状语连用。
例句：
She has been an English teacher for five years.
她已经做了五年英语老师了。
2). 现在完成时的构成形式是have/ has+过去分词。
(1). 肯定句：
I/ We/ You/ They have (=‘ve) gone out.
He/ She/ It has (=‘s) gone out.
否定句：
I/We/ You/ They have not (haven’t) gone out.
He/ She/ It has not (hasn’t) gone out.
(2). 一般疑问句：
Have you/ they gone out
Yes, I/ we/ they have.
No, I/ we/ they haven’t.
Has her/ she/ it gone out
Yes, he she i has.
No, he/ she/ it hasn’t
(3). 特殊疑问句：
When have/ you they gone out
When has he/ she/ I gone out.
3). 现在完成时及其常用副词和时间状语
现在完成时常与already，just，ever，never，yet等副词连用，副词置于have / has
之后，或置于句尾。
例句：
I have never been to Peter’s house. 我从没去过皮特的家。
He has just bought a new car. 他刚买了辆新车。
already 常用于肯定句，yet 常用于疑问句和否定句，ever常用于疑问句。
例句：
I have already finished my homework. 我已经完成了作业。
Have you repaired your bike yet 你修好你的自行车了吗？
现在完成时还可以与for+一段时间或since+某时间点连用。
例句：
I have studied here for three years. 我在这已经学习三年了。
I have studied here since 2010. 从2010年以来，我一直在这学习。
例题：
1. ---_________ you _________ your homework yet
---Yes. I _________ it a moment ago.
A. Did; do; finished B. Have; done; finished
C. Have; done; have finished D. will; do; finish
【答案】B
【解析】考查现在完成时用法。根据yet可知要用现在完成时；根据a moment ago可知要用一般过去时。故选B。

2. 按要求完成句子。每空一词。
1). We have cleaned the yard. (改为否定句)
We _________ _________ the yard.
2). Jim has taken many photos of Mount Tai. (改为一般疑问句)
_________ Jim _________ many photos of Mount Tai
【答案】
(1). haven’t cleaned
(2). Has; taken
【解析】考查现在完成时的用法。根据要求填出适当形式即可。

二、易错点
不定代词something，anything，nothing和everything区别
1. something通常用于肯定句，anything通常用于否定句或疑问句。
例句：
There is something in the box. (肯定句)
箱子里有些东西。
There isn’t anything in the box. (否定句)
箱子里没有东西。
Is there anything in the box (疑问句)
箱子里有东西吗？
2. nothing在意义上等于not anything。
例句：
I know nothing about it. (=I don’t know anything about it.)
我对此事一无所知。
3. everything可表示：
1). 一切事物；每样事物
This shop sells everything needed for camping.
这家商店出售一切露营用具。
Tell me everything about it.
告诉我这件事情的始末。
2). 最重要的事
Money is everything to him. 金钱对他比什么都重要.
She’s beautiful, I agree, but beauty is not everything.
我同意她是美丽的,但美并不是最重要的。
例题：
I’m sorry. I know _________ about it. It’s a secret between them.
A. nothing B. something C. anything D. everything
【答案】A
【解析】考查不定代词用法。根据句意：抱歉，关于这个我不清楚，这是他们之间的秘密。，故选A。
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题模精选
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题模一：Unit2 词汇应用
例1.1.1 Not only the young but also the old are getting interested _________ WeChat （微信）.They can communicate more freely.
A.by B.about C.in D.for
例1.1.2 根据括号提示填空
1）. I suddenly _________ （发现） that it was too late to catch the last bus.
2）. Thank you for your _________ （invite）.
题模二：现在完成时
例1.2.1 I heard a new song on the radio. I _________ high and low in the music store, but I can’t find the song.
A.search B.have searched
C.am searching D.will search
例1.2.2 根据中文提示完成句子
1）. 现在越来越多的外国人对中国文化感兴趣了。
Now more and more foreigners _________ _________ _________ Chinese culture.
2）. 我会通过邮寄的方式把这个礼物寄给你。
I will send the present to you _________ _________.
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随堂练习
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随练1.1 ---Why are you so excited
---Nancy invited me _________ on a trip to the Dongjiang Lake just now.
A.to go B.go C.going D.gone
随练1.2 Today, WeChat （微信） becomes very popular, and more and more people like to use it to _________ each other.
A.depend on B.communicate with
C.believe in D.talk to
随练1.3 I can’t stand the _________ on the street. There are too many cars and buses. I want to move somewhere quiet.
A.sound B.noise C.shout D.voice
随练1.4 根据括号提示完成句子
1. Some _________ （地区）of the town are dirty. Let’s clean them up.
2. ---What does this _________ （手势）mean
---It means “Please be quiet”.
3. It’s ________ （便利的） to live next to the supermarket.
4. We think _________ （青少年） should be allowed to choose their own clothes.
5. The policemen are searching for the _________ （miss） boy.
6. The boy likes animals very much. He dreams of being an _________ （train） when he grows up.
7. The professor is very _________ （knowledge） and he seems to know everything.
8. His _________ （month） cost was just over 100 pounds.
随练1.5 It’s nice to see you again. We _________ each other since 2014.
A.don’t see B.won’t see
C.haven’t seen D.didn’t see
随练1.6 --- Could you tell me _________
---Talking about festivals.
A.how they are playing
B.what they are doing
C.where they are going
D.why they are practicing
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能力拓展
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拓展1 It is Sunday. Let’s just relax and enjoy _________.
A.myself B.yourself
C.ourselves D.himself
拓展2 Please _________ us what the newspaper _________ about the earthquake.
A.speak; says B.say; tells
C.tell; says D.tell; talks
拓展3 Our teacher was very happy because _________ failed the examination.
A.somebody B.nobody
C.anybody D.everybody
拓展4 ---Have you read this book
---Yes. I _________it weeks ago
A.is reading B.have read
C.will read D.read
拓展5 根据中文提示完成句子
1. 我敲门的时候,她正在接电话。
She was answering the phone _________ _________ _________ _________ the door.
2. 我想知道如何和我的父母交流。
I want to know how to _________ _________ my parents.
3. 科学家们已经做了许多和这个课题有关的研究。
The scientists _________ _________ a lot of _________ _________ this subject.
4. 主要的原因是我很忙。
_________ _________ _________ _________ _________ I am very busy.
5. 他很后悔，因为他的愚蠢行为导致了他最后的失败。
He was very regretful because his foolish behavior _______ _________ his final failure.
拓展6 ---_________ going shopping with us
---Good idea. I’m going to buy some snacks and drinks.
A.Why not B.Would you like
C.How about D.Could you please
答案解析
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Unit 2 Communication
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题模精选
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题模一：Unit2 词汇应用
例1.1.1
【答案】C
【解析】考查固定短语。be interested in 对……感兴趣。故选A。
例1.1.2
【答案】1）. discovered
2）. invitation
【解析】考查本课重点核心词汇，根据提示和语境，填出相应单词及其适当形式。
题模二：现在完成时
例1.2.1
【答案】B
【解析】考查现在完成时用法。根据句意：我在广播上听了一首新歌。我在音乐商店到处搜寻，但没有找到那首歌。根据句意可知要用现在完成时，故选B。
例1.2.2
【答案】1）. are/ become interested in
2）. by post
【解析】考查本课重点短语和句型，注意动词单复数和固定搭配。
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随堂练习
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随练1.1
【答案】A
【解析】考查固定搭配。invite sb. to do sth.邀请某人做某事，故选A。
随练1.2
【答案】B
【解析】考查动词短语用法。根据句意：如今，微信变得很流行，并且越来越多的人喜欢用微信彼此交流。depend on依赖，依靠；communicate with和……交流；believe in相信，信任；talk to对……谈话；故选B。
随练1.3
【答案】B
【解析】考查词汇辨析。根据句意：我受不了大街上的噪音了，我想搬到安静的地方。sound声音；noise噪音；shout喊叫；voice声音，故选B。
随练1.4
【答案】1. areas
2. sign
3. convenient
4. teenagers
5. missing
6. trainer
7. knowledgeable
8. monthly
【解析】考查本课重点词汇。根据提示填出对应单词，注意词的正确形式。
随练1.5
【答案】C
【解析】考查现在完成时。根据since 2014可知要用现在完成时，故选C。
随练1.6
【答案】B
【解析】考查宾语从句。根据句意：——你能告诉我他们正在做什么吗？——谈论节日。根据答句可推断宾语从句为what they are doing，故选B。
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能力拓展
)
拓展1
【答案】C
【解析】考查固定搭配。根据句意：今天周日，我们放松下，玩的开心点儿吧。enjoy oneself玩得开心，故选C。
拓展2
【答案】D
【解析】考查动词辨析。根据句意：请告诉我们报纸上是怎么谈论这次地震的。tell告诉；talk交谈；谈论；say说；speak 说（常接语言）。故选D。
拓展3
【答案】B
【解析】考查不定代词用法。根据句意：我们老师很开心，因为没有人考试不及格。故选B。
拓展4
【答案】D
【解析】考查时态辨析。根据weeks ago判断要用一般过去时，故选D。
拓展5
【答案】1. when I knocked on/ at
2. communicate with
3. have done; research on
4. The main reason is that
5. led to
【解析】考查本课中重点表达，注意时态，固定搭配和单复数问题。
拓展6
【答案】C
【解析】考查情景交际及搭配。根据going形式可判断选How about，故选C。