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【2025中考一轮复习 教材知识梳理】七上Unit 6~Unit 9
一、need用法归纳
need意为“需要”,作行为动词,常用结构如下:
need sth.需要某物;need to do sth.需要做某事
sth.need doing=sth.need to be done某事需要被做
need作情态动词,通常用于否定句或疑问句中,后接动词原形,无人称、时态和数的变化。
needn’t作为“Must... ”句式的否定回答,相当于not have to。
need还可作名词,意为“需要”。
例:I need help.我需要帮助。
I need to buy a pen.我需要买一支钢笔。
Her bike needs repairing./Her bike needs to be repaired.她的自行车需要修理。
—Must I do the work at once
—我必须马上做这项工作吗
—No, you needn’t./No, you don’t have to.
—不,没必要。
【同步练习】
1.Mr.Smith needs _________(have) a break after two hours’ work.
2.My father’s car needs _________(wash).
3.The boy needs _________(buy) a new coat.
4.—Must I leave now
—No, you _________.
二、My classes finish at 1:50, but after that I have an art lesson for two hours.我学校的课(下午)一点五十分结束,但随后我要上一节两个小时的美术课。
1.finish后常接名词、代词或v.-ing形式。
When can you finish (doing) this work
你何时能完成这项工作
2.其他用法相同的词:
【同步练习】
用方框中所给词的适当形式填空。
do eat read miss
1.Remember to return the book to the library when you finish _________ it.
2.To avoid _________ the train, please get to the train station early.
3.Why not consider _________ it in another way Maybe you’ll succeed.
4.People enjoy _________ zongzi on the Dragon Boat Festival.
三、—How much are these socks
这些短袜要多少钱
—They’re two dollars.
它们要2美元。
辨析how many与how much:
how many意为“多少”,提问可数名词的数量 —How many trees did you plant last year 去年你们种了多少棵树 —Ten.十棵。
how much意为“多少”,提问不可数名词的数量 —Jim, I need some milk to make some cheese.吉姆,我需要一些牛奶做芝士。 —OK, Mom. How much milk do you need 好的,妈妈。你需要多少牛奶
how much意为“多少钱”,提问价格,相当于What’s the price of... —Do you know how much that nice T-shirt is 你知道那件好看的T恤多少钱吗 —It’s only 45 yuan.只要45元。
【同步练习】
根据中文提示完成句子。
1.—Jenny, I need some milk.
—OK, Mom. ___________(多少) do you need
2.We will have a graduation ceremony next week. I wonder____ _________(多少) bottles of juice we will need.
3.I know _________(多么) I miss you these years.
4. ___________(多少) does the book cost
5. _________(多少) is the price of the book
四、it
1.it用作实词,表达以下概念:指代前文提到的事物;指代前文中的this, that;替代前文中的内容;指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事;指代时间、天气、气候、距离等自然现象。
例:It is 5 kilometers away.有5公里远。
—What’s this 这是什么
—It’s an apple.这是个苹果。
It’s very cold today.今天天气很冷。
It’s 5:00.五点了。
—Who is knocking on the door 谁在敲门
—I think it’s Jim.我猜是吉姆。
2.it作形式主语或形式宾语。
It’s not a good idea for students to copy others’ homework.
对学生来说,抄别人的作业不是一个好主意。
She finds it much better to do her own work.
她发现做她自己的工作要好得多。
【同步练习】
1.When we got to the zoo yesterday, _________ started raining heavily.
2.All of us find _________ necessary to exercise every day.
3. _________ is difficult for me to solve the problem in a short time.
五、buy
buy动词,意为“买”,反义词sell。
相关词组:buy sth. for sb.=buy sb.sth.为某人买某物,相当于get sb.sth.=get sth.for sb.; buy sth. from sp.从某地买某物。
注:give/offer sth.to sb.=give/offer sb.sth.把某物给某人。
例:You can buy socks for only ￥5 each!
你可以买到每双仅售5元的袜子!
I need some money to buy gifts for my family.
我需要钱买礼物给我的家人。
I often buy school things from the shop near our school.
我经常在学校附近的商店里买学习用品。
【同步练习】
句子翻译。
她爸爸上周在上海给她买了一条漂亮的裙子。
_______________________________________________________________
六、sell
sell动词,意为“卖,销售”,反义词buy。
sale名词,意为“卖”。
相关短语:sell well畅销;sell out卖完;be on sale廉价出售;have a yard sale庭院旧货出售。
注:sell well没有被动语态;sell out可用于被动语态,也可用主动表被动。
例:We sell pants for only ￥30.
我们的裤子只售30元。
These kinds of TV sets sell well.
这些种类的电视机销路好。
Sorry, our coffee (is) sold out.
对不起,我们的咖啡卖光了。
The green shorts are on sale for $25.
那条绿色短裤促销价25美元。
【同步练习】
1.These skirts are popular with young ladies, but those don’t _________.
2.Train tickets to Hangzhou _______________ one hour ago.
3.The socks are _________ for $3 a pair.
七、I don’t want to be fat. 我可不想变胖。
幻灯片20
【同步练习】
根据中文提示完成句子。
1.谢谢你的礼物——这正是我想要的。
Thanks for your ____________—it’s just what I ____________.
2.爱丽丝喜欢唱歌,她将来想成为一名歌手。
Alice likes singing and she _________ _________ _________ a _________ in the future.
3.我想让你查明今天去上海的航班什么时候会起飞。
I _________ _________ _________ _________ find out when the flight to Shanghai _________ _________ _________ today.
4.艾米想要保留她的旧东西,因为它们(这些旧东西)能带来甜蜜的回忆。
Amy _________ _________ _________ her old things because they can bring back _________ memories.
21世纪教育网(www.21cnjy.com)(共23张PPT)
七上 Unit 6~Unit 9
解析
人教2025中考一轮复习 教材知识梳理
一、need用法归纳
need意为“需要”,作行为动词,常用结构如下:
need sth.需要某物;need to do sth.需要做某事
sth.need doing=sth.need to be done某事需要被做
need作情态动词,通常用于否定句或疑问句中,后接动词原形,无人称、时态和数的变化。
needn’t作为“Must... ”句式的否定回答,相当于not have to。
need还可作名词,意为“需要”。
例:I need help.我需要帮助。
I need to buy a pen.我需要买一支钢笔。
Her bike needs repairing./Her bike needs to be repaired.她的自行车需要修理。
—Must I do the work at once
—我必须马上做这项工作吗
—No, you needn’t./No, you don’t have to.
—不,没必要。
【同步练习】
1.Mr.Smith needs _________(have) a break after two hours’ work.
2.My father’s car needs _________(wash).
3.The boy needs _________(buy) a new coat.
4.—Must I leave now
—No, you _________.
to have
washing
to buy
needn’t
二、My classes finish at 1:50, but after that I have an art lesson for two hours.我学校的课(下午)一点五十分结束,但随后我要上一节两个小时的美术课。
1.finish后常接名词、代词或v.-ing形式。
When can you finish (doing) this work
你何时能完成这项工作
2.其他用法相同的词:
【同步练习】
用方框中所给词的适当形式填空。
1.Remember to return the book to the library when you finish _________ it.
2.To avoid _________ the train, please get to the train station early.
3.Why not consider _________ it in another way Maybe you’ll succeed.
4.People enjoy _________ zongzi on the Dragon Boat Festival.
do eat read miss
reading
missing
doing
eating
三、—How much are these socks
这些短袜要多少钱
—They’re two dollars.
它们要2美元。
辨析how many与how much:
how many意为“多少”,提问可数名词的数量 —How many trees did you plant last year 去年你们种了多少棵树
—Ten.十棵。
how much意为“多少”,提问不可数名词的数量 —Jim, I need some milk to make some cheese.吉姆,我需要一些牛奶做芝士。
—OK, Mom. How much milk do you need 好的,妈妈。你需要多少牛奶
how much意为“多少钱”,提问价格,相当于What’s the price of... —Do you know how much that nice T-shirt is 你知道那件好看的T恤多少钱吗
—It’s only 45 yuan.只要45元。
【同步练习】
根据中文提示完成句子。
1.—Jenny, I need some milk.
—OK, Mom. ___________(多少) do you need
2.We will have a graduation ceremony next week. I wonder____ _________(多少) bottles of juice we will need.
3.I know _________(多么) I miss you these years.
4. ___________(多少) does the book cost
5. _________(多少) is the price of the book
How much
how
many
how much
How much
What
四、it
1.it用作实词,表达以下概念:指代前文提到的事物;指代前文中的this, that;替代前文中的内容;指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事;指代时间、天气、气候、距离等自然现象。
例:It is 5 kilometers away.有5公里远。
—What’s this 这是什么
—It’s an apple.这是个苹果。
It’s very cold today.今天天气很冷。
It’s 5:00.五点了。
—Who is knocking on the door 谁在敲门
—I think it’s Jim.我猜是吉姆。
2.it作形式主语或形式宾语。
It’s not a good idea for students to copy others’ homework.
对学生来说,抄别人的作业不是一个好主意。
She finds it much better to do her own work.
她发现做她自己的工作要好得多。
【同步练习】
1.When we got to the zoo yesterday, _________ started raining heavily.
2.All of us find _________ necessary to exercise every day.
3. _________ is difficult for me to solve the problem in a short time.
it
it
It
五、buy
buy动词,意为“买”,反义词sell。
相关词组:buy sth. for sb.=buy sb.sth.为某人买某物,相当于get sb.sth.=get sth.for sb.; buy sth. from sp.从某地买某物。
注:give/offer sth.to sb.=give/offer sb.sth.把某物给某人。
例:You can buy socks for only ￥5 each!
你可以买到每双仅售5元的袜子!
I need some money to buy gifts for my family.
我需要钱买礼物给我的家人。
I often buy school things from the shop near our school.
我经常在学校附近的商店里买学习用品。
【同步练习】
句子翻译。
她爸爸上周在上海给她买了一条漂亮的裙子。
_______________________________________________________________
Her father bought a nice skirt for her from/in Shanghai last week.
六、sell
sell动词,意为“卖,销售”,反义词buy。
sale名词,意为“卖”。
相关短语:sell well畅销;sell out卖完;be on sale廉价出售;have a yard sale庭院旧货出售。
注:sell well没有被动语态;sell out可用于被动语态,也可用主动表被动。
例:We sell pants for only ￥30.
我们的裤子只售30元。
These kinds of TV sets sell well.
这些种类的电视机销路好。
Sorry, our coffee (is) sold out.
对不起,我们的咖啡卖光了。
The green shorts are on sale for $25.
那条绿色短裤促销价25美元。
【同步练习】
1.These skirts are popular with young ladies, but those don’t _________.
2.Train tickets to Hangzhou _______________ one hour ago.
3.The socks are _________ for $3 a pair.
sell well
(were) sold out
on sale
七、I don’t want to be fat. 我可不想变胖。
【同步练习】
根据中文提示完成句子。
1.谢谢你的礼物——这正是我想要的。
Thanks for your ____________—it’s just what I ____________.
2.爱丽丝喜欢唱歌,她将来想成为一名歌手。
Alice likes singing and she _________ _________ _________ a _________ in the future.
present/gift
want/wanted
wants
to
be
singer
3.我想让你查明今天去上海的航班什么时候会起飞。
I _________ _________ _________ _________ find out when the flight to Shanghai _________ _________ _________ today.
4.艾米想要保留她的旧东西,因为它们(这些旧东西)能带来甜蜜的回忆。
Amy _________ _________ _________ her old things because they can bring back _________ memories.
would
like
you
to
will
take
off
wants
to
keep
sweet
Thanks!
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