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【2025中考一轮复习 教材知识梳理】八上Unit 7~Unit 8
一、too...to...
too...to...的意思是“太……而不能……”。too是副词,后接形容词或副词;to是不定式标志,后接动词原形。
“too...to...”可转换为“not...enough to...”(not后面的形容词与too后面的形容词是反义词),也可与“so...that(not)”互换(that引导的从句中谓语动词应是to后所接动词的否定形式)。
例:He is too young to dress himself.=He is not old enough to dress himself.=He is so young that he can not dress himself.
他年纪太小,不能自己穿衣服。
【同步练习】
同义句转换(每空—词)。
1.My father is so busy that he can’t take me to the zoo.
My father is _________ busy _________ _________ me to the zoo.
2.The boy is not strong enough to stand up.
The boy is _________ weak _________ _________ up.
二、Next, fill the turkey with this bread mix.接下来,用这种面包混合物填满火鸡。
短语 意义及用法
fill...with... 意为“用……把……装满”,强调动作的过程,主语为人
be filled with... 意为“满是……的”,侧重于动作和所填充的东西,主语为物
be full of... 意为“满是……的”,侧重于状态,主语为物,可与“be filled with...”进行同义转换
【同步练习】
1.Be careful! The cup is _________ of hot water.
2.First, we must _________ the bottle with some water.
3.The forest _________ with the sounds of nature. We kept silent and relaxed ourselves.
三、famous
famous形容词,意为“著名的;出名的”,常用于以下短语中:
be famous for表示“因……而出名”,后接出名的原因。
be famous as表示“作为……而出名”,后接表示身份或职业等的名词。
be famous to sb.表示“广为人知的;大家都熟悉的”。注意famous可以用known代替。
【同步练习】
1.—I hear Yantai is a beautiful city.
—Yes, it’s famous _________ its apples.
2.Mo Yan is famous _________ a great writer around the world.
四、辨析hundred, hundreds of
hundred, thousand, million, billion为数量单位,当与具体的数字连用时,本身不加s,其后加名词复数形式。当表示不确定数,意为“数以百计、数以千计、数以百万计”,本身加s,并与of连用,其后也加名词复数形式。
tens of几十;hundreds of几百;thousands of几千;millions of几百万。
例:They believe it may take hundreds of years.
他们相信这可能要花几百年的时间。
Over two hundred students visited the farm last Sunday.
上星期天两百多个学生参观了农场。
【同步练习】
1.—The book Journey to the West is very popular.
—Yeah, more than _______________(五百) students in our school bought it.
2.It is reported that people throw ______________(数千的) plastic bags along this street every week.
five hundred
thousands of
五、辨析can, be able to
在表示“能够,具备干某件事的能力”方面,can=be able to,但can只有一般现在时和一般过去时两种时态。be able to可用于各种时态。
can/could可用于表示请求许可,但be able to没有此用法。
例:He could play the piano when he was only five years old.
他五岁时就能弹钢琴。
They think that robot will be able to talk with people in 25 years.
他们认为25年后机器人将能与人对话。
【同步练习】
1.Make sure you will _________ get to my office by 10:00 tomorrow morning.
2.It seemed that parents _________(can) do everything when their kids needed them.
六、辨析fewer, less
fewer意为“更少”,是few的比较级,修饰可数名词复数。less意为“更少”,是little的比较级,修饰不可数名词。
注:the most意为“最多”,是many, much的最高级;the fewest, the least意为“最少”,分别是few, little的最高级。
例:You can use less water and plant more trees.
你可以用更少的水,种更多的树。
People will have more free time because there will be fewer things to do.
因为会有更少的事情要做,人们会有更多空闲的时间。
【同步练习】
1.We hope we can do the work with _______ money and ______ people.
2.He could get _______ information about the girl after she moved to another city.
七、Now, it’s time to enjoy the rice noodles!现在,该是享受米线的时候了!
It’s time to do sth.该是做……的时候了。
相关句型:
幻灯片16
例:It’s time for dinner.
该吃晚饭了。
It’s time for us to take some measures to protect our environment.
是时候采取一些措施保护我们的环境了。
It’s time to put our plan into action.
是时候把我们的计划付诸行动了。
It is the first time for me to write a letter in English.
这是我第一次用英语写信。
【同步练习】
1.该是孩子们睡觉的时候了。
_______ _________ _________ the children _____ go to bed.
2.这是他第一次来杭州。
_______ _________ _________ _________ ______ ________ _____ come to Hangzhou.
八、辨析already, yet, still
already意为“已经”,指某事发生比预期还早(常用在肯定句或疑问句),可置于句中或句末。
yet意为“尚未”,是指预期某事发生,但尚未发生(多用在否定句或疑问句),常置于句末。
still意为“尚且;仍然”,指事物仍维持原状,常置于句中。
【同步练习】
1.I have _________ had my lunch with Jimmy.
2.He didn’t finish his work _________.
3.Has his dad found a job _________
4.It’s so late, but they are _________ in the office.
九、辨析turn on, turn off, turn down, turn up
turn on意为“打开”,即接通电源,使其处于通电或工作状态。
turn off意为“关闭”,即切断电器的电源,使其由通电或工作状态变成断电或停止工作的状态。
turn down既可表示“把……调低;关小”,也可表示“拒绝;回绝”。
turn up意为“把……调高”。
【同步练习】
1.When you leave the reading room, you should remember to _________ the lights.
2.I can’t hear the radio clearly. Could you please _________ it _____
3.It’s dark inside. Please _________ the lights.
4.The show on TV is too noisy. Let’s _________ it _________.
5.Tom invited Mary to come to his party. But Mary _________ ________ the invitation.
21世纪教育网(www.21cnjy.com)(共23张PPT)
八上Unit 7~Unit 8
解析
人教2025中考一轮复习 教材知识梳理
一、too...to...
too...to...的意思是“太……而不能……”。too是副词,后接形容词或副词;to是不定式标志,后接动词原形。
“too...to...”可转换为“not...enough to...”(not后面的形容词与too后面的形容词是反义词),也可与“so...that(not)”互换(that引导的从句中谓语动词应是to后所接动词的否定形式)。
例:He is too young to dress himself.=He is not old enough to dress himself.=He is so young that he can not dress himself.
他年纪太小,不能自己穿衣服。
【同步练习】
同义句转换(每空—词)。
1.My father is so busy that he can’t take me to the zoo.
My father is _________ busy _________ _________ me to the zoo.
2.The boy is not strong enough to stand up.
The boy is _________ weak _________ _________ up.
too
to
take
too
to
stand
二、Next, fill the turkey with this bread mix.接下来,用这种面包混合物填满火鸡。
短语 意义及用法
fill...with... 意为“用……把……装满”,强调动作的过程,主语为人
be filled with... 意为“满是……的”,侧重于动作和所填充的东西,主语为物
be full of... 意为“满是……的”,侧重于状态,主语为物,可与“be filled with...”进行同义转换
【同步练习】
1.Be careful! The cup is _________ of hot water.
2.First, we must _________ the bottle with some water.
3.The forest _________ with the sounds of nature. We kept silent and relaxed ourselves.
full
fill
was filled
三、famous
famous形容词,意为“著名的;出名的”,常用于以下短语中:
be famous for表示“因……而出名”,后接出名的原因。
be famous as表示“作为……而出名”,后接表示身份或职业等的名词。
be famous to sb.表示“广为人知的;大家都熟悉的”。注意famous可以用known代替。
【同步练习】
1.—I hear Yantai is a beautiful city.
—Yes, it’s famous _________ its apples.
2.Mo Yan is famous _________ a great writer around the world.
for
as
四、辨析hundred, hundreds of
hundred, thousand, million, billion为数量单位,当与具体的数字连用时,本身不加s,其后加名词复数形式。当表示不确定数,意为“数以百计、数以千计、数以百万计”,本身加s,并与of连用,其后也加名词复数形式。
tens of几十;hundreds of几百;thousands of几千;millions of几百万。
例:They believe it may take hundreds of years.
他们相信这可能要花几百年的时间。
Over two hundred students visited the farm last Sunday.
上星期天两百多个学生参观了农场。
【同步练习】
1.—The book Journey to the West is very popular.
—Yeah, more than _______________(五百) students in our school bought it.
2.It is reported that people throw ______________(数千的) plastic bags along this street every week.
five hundred
thousands of
五、辨析can, be able to
在表示“能够,具备干某件事的能力”方面,can=be able to,但can只有一般现在时和一般过去时两种时态。be able to可用于各种时态。
can/could可用于表示请求许可,但be able to没有此用法。
例:He could play the piano when he was only five years old.
他五岁时就能弹钢琴。
They think that robot will be able to talk with people in 25 years.
他们认为25年后机器人将能与人对话。
【同步练习】
1.Make sure you will _________ get to my office by 10:00 tomorrow morning.
2.It seemed that parents _________(can) do everything when their kids needed them.
be able to
could
六、辨析fewer, less
fewer意为“更少”,是few的比较级,修饰可数名词复数。less意为“更少”,是little的比较级,修饰不可数名词。
注:the most意为“最多”,是many, much的最高级;the fewest, the least意为“最少”,分别是few, little的最高级。
例:You can use less water and plant more trees.
你可以用更少的水,种更多的树。
People will have more free time because there will be fewer things to do.
因为会有更少的事情要做,人们会有更多空闲的时间。
【同步练习】
1.We hope we can do the work with _______ money and ______ people.
2.He could get _______ information about the girl after she moved to another city.
less
fewer
less
七、Now, it’s time to enjoy the rice noodles!现在,该是享受米线的时候了!
It’s time to do sth.该是做……的时候了。
相关句型:
例:It’s time for dinner.
该吃晚饭了。
It’s time for us to take some measures to protect our environment.
是时候采取一些措施保护我们的环境了。
It’s time to put our plan into action.
是时候把我们的计划付诸行动了。
It is the first time for me to write a letter in English.
这是我第一次用英语写信。
【同步练习】
1.该是孩子们睡觉的时候了。
_______ _________ _________ the children _____ go to bed.
2.这是他第一次来杭州。
_______ _________ _________ _________ ______ ________ _____ come to Hangzhou.
It’s
time
for
to
It’s
the
first
time
for
him
to
八、辨析already, yet, still
already意为“已经”,指某事发生比预期还早(常用在肯定句或疑问句),可置于句中或句末。
yet意为“尚未”,是指预期某事发生,但尚未发生(多用在否定句或疑问句),常置于句末。
still意为“尚且;仍然”,指事物仍维持原状,常置于句中。
【同步练习】
1.I have _________ had my lunch with Jimmy.
2.He didn’t finish his work _________.
3.Has his dad found a job _________
4.It’s so late, but they are _________ in the office.
already
yet
yet
still
九、辨析turn on, turn off, turn down, turn up
turn on意为“打开”,即接通电源,使其处于通电或工作状态。
turn off意为“关闭”,即切断电器的电源,使其由通电或工作状态变成断电或停止工作的状态。
turn down既可表示“把……调低;关小”,也可表示“拒绝;回绝”。
turn up意为“把……调高”。
【同步练习】
1.When you leave the reading room, you should remember to _________ the lights.
2.I can’t hear the radio clearly. Could you please _________ it _____
3.It’s dark inside. Please _________ the lights.
4.The show on TV is too noisy. Let’s _________ it _________.
5.Tom invited Mary to come to his party. But Mary _________ ________ the invitation.
turn off
turn
up
turn on
turn
down
turned
down
Thanks!
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