Unit 2 lesson 12 知识点详解 冀教版英语八年级上册

Lesson 12 Karen’s hair stood up
1. Today we gave our talks in the class about our favorite subjects.
今天我们就自己喜欢的科目在班上做了讲演。

[用法归纳]give a talk动词短语，“做报告，做讲演”。

talk在这里是名词：报告。

listen to a talk听报告
We are listening to a talk in the hall. 我们正在大厅里听报告。

2.I have been in Canada for two weeks.我已经在加拿大两周了。

have been in待在某地
[易混辨析]have been in, have been to与have gone to
have been in意为" ”，强调"在某地待了多长时间"，常与表示一段时间的状语连用。

They have been in Beijing for one year.他们在北京待了一年了。

have been to意为" ”，强调"曾到过某地，可现在不在那儿" ,后面可接"次数"。

I have been to the Great Wall three times.我去过长城三次。

have gone to意为" ”，强调"去了某处，现在不在这儿"。

He isn't at home. He has gone to Beijing to visit the Great Wall.
他不在家。

他去北京参观长城了。

典例1 - Hi, Tom. I haven't seen your parents for days. Where are they?
-They aren't at home. They America for a holiday.
A. were in
B. have gone to
C. have been to
D. will go to
3.We each brought a painting to class.我们每个人都带了一幅画到班里。

[用法详解]在该句中.each为代词，作主语We的同位语。

each作代词时，意为“各自，每个”，可单独使用，也可接of短语。

each (of.. )作主语时谓语动词用单数形式。

若主语为复数,each位于其后作同位语，谓语动词用复数形式。

Each of us has a dictionary.我们每个人都有一本词典。

We have three books. Each is very interesting. 我们有三本书，每本书都很有趣。

They each their own car.他们每个人都有自己的小汽车。

(each 作主语They的同位语，谓语动词与在人称和数上保持一致)
[拓展延伸]each还可作限定词，意为"各自的，每个的" ,后接可数名词单数。

Each good book you read adds to your wisdom.你读的每一本好书都会增长你的智慧。

[易混辨析]each与every
①强调个体，指两者或两者以上中的"每个”。

②可用作限定词或代词。

作代词时，其后可跟of短语。

③在句中作主语、宾语、定语或同位语等。

Each child/Each of the children can get a gift today.
今天每个孩子都能得到一份礼物。

①强调全体，指三者或三者以上中的"每个”。

②只能用作限定词,其后不可直接跟of短语。

③在句中只能作定语。

She works very hard every day.她每天工作都很努力。

例2(武汉中考改编)- There are four bedroom in the house, with its own shower.
-That's what I want. I've got a few kids.
A. either
B. both
C. each
D. all
4. Mine was a picture of the ocean.我的画画的是海洋。

[用法详解]mine为名词性物主代词，意为"我的",对应的形容词性物主代词为my。

The bag is not mine. It's Jenny's. 这个包不是我的，是詹妮的。

[拓展延伸]形容词性物主代词和名词性物主代词
形容词性物主代词my我的your你(们)的his/her/its他/她/它的our我们的their 他/她/它们的
名词性物主代词mine我的yours你(们)的his/hers/its 他她/它的ours我们的theirs 他/她/它们的
形容词性物主代词具有形容词的特性，其后常跟名词。

名词性物主代词具有名词的特性，可单独使用，在句中可作主语、宾语或表语。

名词性物主代词=形容词性物主代词+名词
This isn't my book. Mine( = My bok) is on the dek.这不是我的书。

我的书在书桌上。

典例3 (天津中考)-Is this computer?
一Yes, it's .My mother bought it for me.
A. you; me
B. your; my
C. yours; mine
D. your; mine
5. The picture always reminds me of that holiday.这幅画总使我想起那个假期。

[用法详解]remind V.提醒，使想起
提醒某人某事，使某人想起某事remind sb. of sth.
提醒某人做某事remind sb. to do sth.
remind sb. that...提醒某人....
她打电话提醒我时间。

这首甜美的乐曲使我们想起乡村的美丽。

(选自2018孝感中考综合填词)
请提醒他午饭前到这儿。

He reminded me that I should be careful, 他提醒我要小心。

典例4 (丹东中考)Lucy often me my best friend. They both have long curly hair.
A. thinks; of
B. reminds; of
C. helps; out
D. leaves; out
6.She put the comb beside the tea leaves.她把梳子放在茶叶的旁边。

[用法详解]tea leaves 意为"茶叶"，leaves在此处为名词leaf的复数形式; (v. 离开) 的第三人称单数形式。

After a few days, the plant had a new leaf. 几天后,这棵植物长出了一片新叶子。

The leaves fall off the trees in autumn. 秋天叶子从树上落下来。

典例5根据句意用所给单词的适当形式填空。

Don't be sad for the falling (leaf).They will come out next year.
7. Then Karen combed her hair ten times quickly.Karen很快梳了十遍头发。

[用法归纳]time名词，当不可数名词时意为“时间”，当可数名词时意为“次数”。

Time flies fast! 时光飞逝！
I counted it for two times. 我数了它两遍。

相关链接：表示次数的词：
一次once，二次twice，三次three times，四次four times,…
8. Finally, Danny and Lisa presented their favourite subject P.E.最后，丹尼和丽莎展示了他们最喜欢的科目一体育。

[用法详解]副词finally在此作状语，用于表示列举,意为“最后”，通常位于句首，其同义词为lastly
此外，finally还可表示"终于”，此时，与其意义相同的词/短语有eventually, at last,in the end.
最后，我感谢大家的光临。

最后,我们爬到了山顶。

[拓展延伸]final作形容词，意为"最后的,最终的"。

We must get ready for the final examination.我们必须为期末考试做好准备。

典例⑥(莱芜中考)To our surprise, the computer won the chess game against the human player.
A. certainly
B. usually
C. finally
D. mostly
9.Danny played basketball,and Lisa showed us some exercises.丹尼打篮球，丽莎向我们展示了一些动作。

exercise n.(一套)动作，体操
[用法详解] exercise在此作可数名词，意为"（一套)动作，体操"
做早操
做眼保健操。

[拓展延伸]exercise的其他用法:
①作可数名词，意为"练习，习题”
We need to do some exercises to improve our maths.
我们需要做些习题来提高我们的数学(水平)。

②作不可数名词，意为"运动、锻炼"
To keep healthy, you need to do some exercise every day.为了保持健康，你需要每天。

③作动词，意为”锻炼"
You can see many people exercise in the park every morning,每天早晨你可以看到很我人在公园里锻炼。

10. We had a good discussion about how to stay healthy. 我们就如何保持健康进行了很好的讨论。

discussion / dr'skAfn/n.讨论，谈论
[用法详解]discussion为名词,其动词形式为(讨论，谈论)。

常用的固定搭配: 与某人进行讨论
讨论某事。

语境串记
Tom and Jack are about the sports meeting. They have it for two hours. If they can't make the final decision, they'll have to with their teacher.
汤姆和杰克正在讨论运动会的事，他们已经讨论了两个小时了。

如果他们不能做出最终的决定，他们将不得不与他们的老师进行讨论。

◆how to do sth.如何做某事,“疑问词+ to do”在句中作宾语。

◆stay healthy 意为“保持健康”,stay 作系动词,表示“保持,持续”,后跟形容词,此时相当于keep。